About Shaft Collars
Shaft collars are useful for holding and positioning components on a shaft. They can also serve as mechanical stops and stroke limiters.
More
About Ball and Roller Bearings
More
Ball Bearings
Open bearings dissipate heat more efficiently than shielded and sealed bearings.
Shielded bearings block out dust and other contaminants, but do not dissipate heat as efficiently as open bearings.
Sealed bearings block out dust and other contaminants better than open and shielded bearings, but retain the most heat.
For technical drawings and 3-D models, click on a part number.
Radial Load Cap., lbs. | |||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Bearing Trade Number | For Shaft Dia. | For Housing ID | Wd. | Ring Material | Dynamic | Static | Max. Speed, rpm | Lubrication | Temp. Range, °F | ABEC Rating | Specifications Met | Each | |
6208 | 40mm | 80mm | 18mm | Steel | 5,550 | 3,650 | 8,300 | Lubricated | -20° to 230° | ABEC-1 | __ | 00000000 | 000000 |
6307 | 35mm | 80mm | 21mm | Steel | 7,500 | 4,300 | 12,200 | Lubricated | -20° to 230° | ABEC-1 | DIN 625-1 | 00000000 | 00000 |
Radial Load Cap., lbs. | |||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Bearing Trade Number | For Shaft Dia. | For Housing ID | Wd. | Ring Material | Dynamic | Static | Max. Speed, rpm | Lubrication | Temp. Range, °F | ABEC Rating | Specifications Met | Each | |
6010-2Z | 50mm | 80mm | 16mm | Steel | 4,900 | 3,550 | 10,000 | Lubricated | -20° to 230° | ABEC-1 | DIN 625-1 | 00000000 | 000000 |
6208-2Z | 40mm | 80mm | 18mm | Steel | 6,500 | 4,000 | 8,500 | Lubricated | -20° to 230° | ABEC-1 | DIN 625-1 | 00000000 | 00000 |
6307-2Z | 35mm | 80mm | 21mm | Steel | 7,950 | 4,300 | 8,500 | Lubricated | -20° to 230° | ABEC-1 | DIN 625-1 | 00000000 | 00000 |
Radial Load Cap., lbs. | |||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Bearing Trade Number | For Shaft Dia. | For Housing ID | Wd. | Ring Material | Dynamic | Static | Max. Speed, rpm | Lubrication | Temp. Range, °F | ABEC Rating | Specifications Met | Each | |
6010-2RS | 50mm | 80mm | 16mm | Steel | 4,900 | 3,550 | 4,400 | Lubricated | -20° to 230° | ABEC-1 | DIN 625-1 | 00000000 | 000000 |
6208-2RS | 40mm | 80mm | 18mm | Steel | 6,500 | 4,000 | 5,000 | Lubricated | -20° to 230° | ABEC-1 | DIN 625-1 | 0000000 | 00000 |
6307-2RS | 35mm | 80mm | 21mm | Steel | 7,500 | 4,250 | 5,400 | Lubricated | -20° to 230° | ABEC-1 | DIN 625-1 | 0000000 | 00000 |
Permanently Lubricated Ball Bearings
A solid polymer lubricant surrounds the balls, eliminating the need for additional lubrication. Because it's solid, the lubricant blocks out water and dust, extending the life of the bearing.
Sealed bearings have even better resistance to dust and contaminants than open bearings.
For technical drawings and 3-D models, click on a part number.
Radial Load Cap., lbs. | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Bearing Trade Number | For Shaft Dia. | For Housing ID | Wd. | Ring Material | Dynamic | Static | Max. Speed, rpm | Lubrication | Temp. Range, °F | ABEC Rating | Each | |
Open | ||||||||||||
6208 | 40mm | 80mm | 18mm | Steel | 5,050 | 5,050 | 5,000 | Lubricated | 10° to 200° | ABEC-1 | 00000000 | 000000 |
6307 | 35mm | 80mm | 21mm | Steel | 5,750 | 4,050 | 5,000 | Lubricated | 10° to 200° | ABEC-1 | 00000000 | 00000 |
Sealed | ||||||||||||
6010-2RS | 50mm | 80mm | 16mm | Steel | 3,750 | 3,150 | 4,500 | Lubricated | 10° to 200° | ABEC-1 | 00000000 | 00000 |
6208-2RS | 40mm | 80mm | 18mm | Steel | 5,050 | 3,650 | 5,000 | Lubricated | 10° to 200° | ABEC-1 | 00000000 | 00000 |
6307-2RS | 35mm | 80mm | 21mm | Steel | 5,750 | 4,050 | 5,000 | Lubricated | 10° to 200° | ABEC-1 | 00000000 | 000000 |
Precision Ball Bearings
For greater accuracy and higher speeds, these bearings are made to tighter tolerances than standard ball bearings.
Shielded bearings dissipate heat more efficiently than sealed bearings.
Sealed bearings block out dust and other contaminants better than shielded bearings.
For technical drawings and 3-D models, click on a part number.
Radial Load Cap., lbs. | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Bearing Trade Number | For Shaft Dia., mm | For Housing ID, mm | Wd., mm | Ring Material | Dynamic | Static | Max. Speed, rpm | Lubrication | Temp. Range, °F | ABEC Rating | Each | |
Shielded | ||||||||||||
6010-2Z | 50 | 80 | 16 | Steel | 5,150 | 3,600 | 9,000 | Lubricated | -20° to 230° | ABEC-3 | 0000000 | 0000000 |
6208-2Z | 40 | 80 | 18 | Steel | 7,300 | 4,250 | 9,000 | Lubricated | -20° to 230° | ABEC-3 | 0000000 | 00000 |
6307-2Z | 35 | 80 | 21 | Steel | 7,850 | 4,250 | 9,500 | Lubricated | -20° to 230° | ABEC-3 | 0000000 | 00000 |
Sealed | ||||||||||||
6010-2RS | 50 | 80 | 16 | Steel | 5,150 | 3,600 | 5,600 | Lubricated | -30° to 210° | ABEC-3 | 0000000 | 000000 |
6208-2RS | 40 | 80 | 18 | Steel | 7,300 | 4,250 | 5,600 | Lubricated | -30° to 210° | ABEC-3 | 00000000 | 00000 |
6307-2RS | 35 | 80 | 21 | Steel | 7,850 | 4,250 | 6,000 | Lubricated | -30° to 210° | ABEC-3 | 00000000 | 00000 |
Self-Aligning Ball Bearings
With a spherical raceway and two rows of balls, these bearings compensate for shaft misalignment.
Open bearings dissipate heat more efficiently than sealed bearings.
Sealed bearings block out dust and other contaminants better than open bearings, but retain more heat.
For technical drawings and 3-D models, click on a part number.
Radial Load Cap., lbs. | |||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Bearing Trade Number | For Shaft Dia., mm | For Housing ID, mm | Wd., mm | Ring Material | Dynamic | Static | Max. Speed, rpm | Lubrication | Misalignment Capability | Temp. Range, °F | ABEC Rating | Each | |
Open | |||||||||||||
1208 | 40 | 80 | 18 | Steel | 4,300 | 1,450 | 7,500 | Required | 4° | Not Rated | ABEC-1 | 00000000 | 000000 |
1307 | 35 | 80 | 21 | Steel | 5,650 | 1,750 | 7,500 | Required | 4° | Not Rated | ABEC-1 | 00000000 | 000000 |
2208 | 40 | 80 | 23 | Steel | 7,150 | 2,200 | 11,000 | Lubricated | 2.5° | -30° to 210° | ABEC-1 | 0000000 | 000000 |
2307 | 35 | 80 | 31 | Steel | 8,900 | 2,500 | 12,000 | Lubricated | 3° | -30° to 210° | ABEC-1 | 0000000 | 000000 |
Sealed | |||||||||||||
2208-2RS | 40 | 80 | 23 | Steel | 4,450 | 1,550 | 5,600 | Lubricated | 1.5° | -30° to 210° | ABEC-1 | 0000000 | 000000 |
2307-2RS | 35 | 80 | 31 | Steel | 5,950 | 1,900 | 5,600 | Lubricated | 1.5° | -30° to 210° | ABEC-1 | 0000000 | 000000 |
Electrically Insulated Ball Bearings
Good for use in electric motors and power generators, these bearings have ceramic balls that insulate against stray current to prevent damage to the bearing. The ceramic balls generate less heat than steel balls, so they require lubrication less frequently.
Shielded bearings block out dust and other contaminants.
Sealed bearings block out dust and other contaminants better than open and shielded bearings but retain the most heat.
For technical drawings and 3-D models, click on a part number.
Radial Load Cap., lbs. | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Bearing Trade Number | For Shaft Dia., mm | For Housing ID, mm | Wd., mm | Ring Material | Dynamic | Static | Max. Speed, rpm | Lubrication | Temp. Range, °F | ABEC Rating | Each | |
Shielded | ||||||||||||
6208-2Z | 40 | 80 | 18 | Steel | 6,500 | 3,400 | 12,000 | Lubricated | -20° to 250° | ABEC-1 | 0000000 | 0000000 |
6307-2Z | 35 | 80 | 21 | Steel | 9,100 | 5,300 | 12,600 | Lubricated | -20° to 245° | ABEC-1 | 0000000 | 000000 |
Sealed | ||||||||||||
6208-2RZ | 40 | 80 | 18 | Steel | 7,300 | 4,250 | 11,000 | Lubricated | -40° to 210° | ABEC-1 | 0000000 | 00000000 |
Tapered Bore Self-Aligning Ball Bearings
For use on tapered shafts and round shafts with adapter sleeves, these ball-bearings have a spherical raceway to compensate for shaft misalignment.
For technical drawings and 3-D models, click on a part number.
Radial Load Capacity | ||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Bearing Trade Number | For Shaft Diameter, mm | For Housing ID, mm | Width, mm | Ring Material | Dynamic | Static, lbs. | Maximum Speed, rpm | Lubrication | Misalignment Capability | Maximum Temperature, °F | Rate of Taper | ABEC Rating | Each | |
Open | ||||||||||||||
1208K | 40 | 80 | 18 | Steel | 4,300 | 1,450 | 7,500 | Required | 4° | 240° | 1:12 | ABEC-1 | 0000000 | 000000 |
2208K | 40 | 80 | 23 | Steel | 5,000 | 1,650 | 7,500 | Required | 4° | 240° | 1:12 | ABEC-1 | 0000000 | 000000 |
One-Way Locking Ball Bearing Clutches
Internal locking elements (sprags) lock to transmit torque in one direction while turning freely in the other direction. Use them in applications where precision movement is required, such as pick-and-place and automated indexing conveyor systems. Shields keep out dust and contaminants.
Shielded bearings dissipate heat better than sealed bearings, but don’t keep out as much dust.
For dirty or dusty environments, sealed bearings are the best choice, since they block out contaminants better than shielded bearings.
For technical drawings and 3-D models, click on a part number.
Radial Load Cap., lbs. | |||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Bearing Trade Number | For Shaft Dia., mm | For Housing ID, mm | Wd., mm | Ring Material | Dynamic | Static | Max. Speed, rpm | Max. Torque, ft.-lbs. | Lubrication | Temp. Range, °F | ABEC Rating | Each | |
Shielded | |||||||||||||
FZ 6208 | 40 | 80 | 22 | Steel | 2,010 | 1,790 | 3,000 | 305 | Lubricated | -40° to 170° | ABEC-1 | 0000000 | 0000000 |
Sealed | |||||||||||||
FZ 6208 2RS | 40 | 80 | 27 | Steel | 2,010 | 1,790 | 3,000 | 305 | Lubricated | -40° to 170° | ABEC-1 | 0000000 | 000000 |
Square-Bore Ball Bearings
Mount these bearings onto a square shaft. They have an extended inner ring for additional shaft support. Since they’re sealed, they block out dust and contaminants better than open and shielded bearings.
For technical drawings and 3-D models, click on a part number.
Inner Ring | Radial Load Cap., lbs. | ||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Bearing Trade Number | For Shaft Wd., mm | Square Wd., mm | For Housing ID, mm | Wd., mm | OD, mm | Wd., mm | Ring Material | Dynamic | Static | Max. Speed, rpm | Lubrication | Temp. Range, °F | ABEC Rating | Each | |
Sealed | |||||||||||||||
W208PP5 | 29.5 | 29.972 | 80 | 18 | 52.6 | 36.5 | Steel | 7,300 | 4,600 | 500 | Lubricated | -20° to 200° | ABEC-1 | 0000000 | 000000 |
W208PP6 | 26 | 26.162 | 80 | 18 | 52.6 | 36.5 | Steel | 7,300 | 4,450 | 500 | Lubricated | -20° to 200° | ABEC-1 | 0000000 | 00000 |
Stainless Steel Ball Bearings
Bearings are 440C stainless steel for good corrosion resistance.
Open bearings dissipate heat more efficiently than shielded and sealed bearings.
Shielded bearings block out dust and other contaminants, but do not dissipate heat as efficiently as open bearings.
Sealed bearings block out dust and other contaminants better than open and shielded bearings, but retain the most heat.
For technical drawings and 3-D models, click on a part number.
Radial Load Cap., lbs. | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Bearing Trade Number | For Shaft Dia. | For Housing ID | Wd. | Ring Material | Dynamic | Static | Max. Speed, rpm | Lubrication | Temp. Range, °F | ABEC Rating | Each | |
6010 | 50mm | 80mm | 16mm | 440C Stainless Steel | 3,000 | 2,500 | 9,900 | Lubricated | -40° to 240° | ABEC-1 | 00000000 | 0000000 |
Radial Load Cap., lbs. | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Bearing Trade Number | For Shaft Dia. | For Housing ID | Wd. | Ring Material | Dynamic | Static | Max. Speed, rpm | Lubrication | Temp. Range, °F | ABEC Rating | Each | |
6010-2Z | 50mm | 80mm | 16mm | 440C Stainless Steel | 3,000 | 2,500 | 8,400 | Lubricated | -40° to 240° | ABEC-1 | 00000000 | 0000000 |
6208-2Z | 40mm | 80mm | 18mm | 440C Stainless Steel | 4,000 | 2,900 | 9,100 | Lubricated | -40° to 240° | ABEC-1 | 00000000 | 000000 |
6307-2Z | 35mm | 80mm | 21mm | 440C Stainless Steel | 6,350 | 3,450 | 9,400 | Lubricated | -40° to 240° | ABEC-1 | 00000000 | 000000 |
Radial Load Cap., lbs. | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Bearing Trade Number | For Shaft Dia. | For Housing ID | Wd. | Ring Material | Dynamic | Static | Max. Speed, rpm | Lubrication | Temp. Range, °F | ABEC Rating | Each | |
6208-2RS | 40mm | 80mm | 18mm | 440C Stainless Steel | 6,500 | 4,000 | 5,200 | Lubricated | -20° to 210° | ABEC-1 | 00000000 | 0000000 |
Permanently Lubricated Stainless Steel Ball Bearings
A solid polymer lubricant surrounds the balls, eliminating the need for additional lubrication. The solid lubricant blocks out water and dust, extending the life of the bearing.
Sealed bearings have even better resistance to dust and contaminants than open bearings.
For technical drawings and 3-D models, click on a part number.
Radial Load Cap., lbs. | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Bearing Trade Number | For Shaft Dia., mm | For Housing ID, mm | Wd., mm | Ring Material | Dynamic | Static | Max. Speed, rpm | Lubrication | Temp. Range, °F | ABEC Rating | Each | |
Open | ||||||||||||
6208 | 40 | 80 | 18 | 440C Stainless Steel | 5,050 | 3,650 | 5,000 | Lubricated | -10° to 200° | ABEC-1 | 00000000 | 0000000 |
Sealed | ||||||||||||
6010-2RS | 50 | 80 | 16 | 440C Stainless Steel | 3,750 | 3,150 | 4,000 | Lubricated | -10° to 200° | ABEC-1 | 00000000 | 000000 |
6208-2RS | 40 | 80 | 18 | 440C Stainless Steel | 5,050 | 3,650 | 5,000 | Lubricated | -10° to 200° | ABEC-1 | 00000000 | 000000 |
Food Industry Permanently Lubricated Stainless Steel Ball Bearings
Good for applications with incidental food contact, these 440C stainless steel bearings have a food-grade, solid polymer lubricant between the balls and ring that eliminates the need for additional lubrication. The solid lubricant blocks out water and dust, extending the life of the bearing.
Sealed bearings have even better resistance to dust and contaminants than open bearings.
For technical drawings and 3-D models, click on a part number.
Radial Load Cap., lbs. | |||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Bearing Trade Number | For Shaft Dia., mm | For Housing ID, mm | Wd., mm | Ring Material | Dynamic | Static | Max. Speed, rpm | Lubrication | Temp. Range, °F | ABEC Rating | Specifications Met | Each | |
Sealed | |||||||||||||
6307-2RS | 35 | 80 | 21 | 440C Stainless Steel | 6,350 | 3,450 | 5,000 | Lubricated | -40° to 200° | ABEC-1 | FDA Compliant 21 CFR 178.3570 | 00000000 | 0000000 |
Set Screw Collar Ball Bearings
Slip these bearings onto a shaft and secure with the included set screws, no special tools required. All have an extended inner ring for additional shaft support.
Bearings with a black-oxide steel ring have some corrosion resistance.
Sealed bearings block out dust and other contaminants better than shielded bearings.
Bearings with a retaining ring have a removable retaining ring that holds the bearing inside a housing.
For technical drawings and 3-D models, click on a part number.
Inner Ring | Retaining Ring | Radial Load Cap., lbs. | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Bearing Trade Number | For Shaft Dia. | For Housing ID | Wd. | OD | Wd. | OD | Thick. | Dynamic | Static | Max. Speed, rpm | Temp. Range, °F | ABEC Rating | Each | |
Sealed (Lubricated) | ||||||||||||||
Black-Oxide Steel—With Retaining Ring | ||||||||||||||
ER208 | 40mm | 80mm | 27.8mm | 52.4mm | 49.2mm | 86.5mm | 1.6mm | 7,300 | 4,450 | 4,150 | -20° to 220° | ABEC-1 | 0000000 | 0000000 |
Clamp-On Collar Ball Bearings
Quickly secure these bearings onto shafts with the clamp-on collar for a concentric, mar-free hold. Tighten the single screw on the locking collar around its inner ring on your shaft to center and secure the shaft in the bearing bore. The collar’s firm grip reduces vibration and noise in your system. The steel rings on these bearings have a black-oxide finish for some corrosion resistance.
For technical drawings and 3-D models, click on a part number.
Inner Ring | Retaining Ring | Radial Load Cap., lbs. | |||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Bearing Trade Number | For Shaft Dia. | For Housing ID | Wd. | OD | Wd. | OD | Thick. | Dynamic | Static | Max. Speed, rpm | Lubrication | Temp. Range, °F | ABEC Rating | Each | |
Shielded | |||||||||||||||
Black-Oxide Steel Ring | |||||||||||||||
ER208 | 40mm | 80mm | 28mm | 52mm | 49mm | 88mm | 1.6mm | 7,300 | 4,450 | 4,150 | Lubricated | -20° to 220° | ABEC-1 | 0000000 | 0000000 |
Washdown Clamp-On Collar Ball Bearings
Designed to stand up to frequent washdowns, you can quickly secure these ball bearings onto shafts with the clamp-on collar in food, beverage, pharmaceutical, and chemical plants. The collar centers your shafts and secures them better than set screw ball bearings, which reduces vibration and noise. To install these bearings, tighten the single screw on the collar around its inner ring on your shaft for a mar-free hold.
Coated with nickel, the steel rings on these bearings won’t corrode from water and harsh cleaners, similar to 304 stainless steel. The inner ring is extended for added shaft support. All of these bearings have NSF registered H1 lubrication, which is certified for incidental contact with food and is suitable for food and beverage applications.
For technical drawings and 3-D models, click on a part number.
Inner Ring | Retaining Ring | Radial Load Capacity, lbs. | |||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
For Shaft Dia. | For Housing ID | Wd. | OD | OD Tolerance | Wd. | OD | Thick. | Dynamic | Static | Max. Speed, rpm | Lubrication | Temp. Range, °F | ABEC Rating | Each | |
Sealed | |||||||||||||||
Nickel-Coated Steel Ring | |||||||||||||||
40mm | 80mm | 27.8mm | 71.8mm | Not Rated | 50.8mm | 86.5mm | 1.6mm | 7,300 | 4,450 | 1,750 | Lubricated | -20° to 220° | ABEC-1 | 0000000 | 0000000 |
High-Temperature Ball Bearings
Made with either PEEK or graphite, these ball bearings work in applications that are too hot for most other ball bearings.
Bearings with a graphite cage handle temperatures up to 660° F, double that of PEEK ball bearings, so they're a good choice for use in industrial ovens. However, they’re only for low-speed applications.
For technical drawings and 3-D models, click on a part number.
Radial Load Cap., lbs. | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Bearing Trade Number | For Shaft Dia. | For Housing ID | Wd. | Ring Material | Dynamic | Static | Max. Speed, rpm | Lubrication | Temp. Range, °F | ABEC Rating | Each | |
Shielded | ||||||||||||
Graphite Cage—Steel Ball | ||||||||||||
6208-2Z | 40mm | 80mm | 18mm | Steel | 7,300 | 4,250 | 150 | Lubricated | -70° to 660° | ABEC-1 | 0000000 | 0000000 |
Ultra-Thin Ball Bearings
These bearings have twice as many contact points as angular-contact ball bearings. Fit onto large-diameter hollow shafts to run air and hydraulic lines, electrical wiring, and other components through moving parts in assemblies such as index and rotary tables, packaging equipment, and robotics.
Open bearings dissipate heat more efficiently than shielded bearings.
Shielded bearings block out dust and other contaminants, but do not dissipate heat as efficiently as open bearings.
For technical drawings and 3-D models, click on a part number.
Radial Load Cap., lbs. | Thrust Load Cap., lbs. | Moment Load Cap., ft.-lbs. | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
For Shaft Dia. | For Housing ID | Wd. | Dynamic | Static | Dynamic | Static | Dynamic | Static | Max. Speed, rpm | Lubrication | Temp. Range, °F | ABEC Rating | Each | |
Steel Ring | ||||||||||||||
Open | ||||||||||||||
55mm | 80mm | 13mm | 3,700 | 3,150 | Not Rated | Not Rated | Not Rated | Not Rated | 10,000 | Lubricated | -50° to 130° | ABEC-1 | 00000000 | 000000 |
Shielded | ||||||||||||||
55mm | 80mm | 13mm | 3,700 | 3,150 | Not Rated | Not Rated | Not Rated | Not Rated | 8,700 | Lubricated | -40° to 150° | ABEC-1 | 00000000 | 00000 |
Angular-Contact Thrust Ball Bearings
Install these bearings for use with combined radial and thrust loads. They are often used in spindle applications and can be combined with cylindrical roller bearings to better handle radial loads.
Single-row bearings handle thrust loads on one side. For applications with thrust loads on both sides, mount them in pairs.
Double-row bearings handle thrust loads in both directions.
Open bearings dissipate heat more efficiently than shielded and sealed bearings.
Shielded bearings block out dust and other contaminants, but do not dissipate heat as efficiently as open bearings.
Sealed bearings block out dust and other contaminants better than open and shielded bearings, but retain the most heat.
For technical drawings and 3-D models, click on a part number.
Combined Load Cap., lbs. | ||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Bearing Trade Number | For Shaft Dia., mm | For Housing ID, mm | Wd., mm | Ring Material | Dynamic | Static | Max. Speed, rpm | Lubrication | Contact Angle | Temp. Range, °F | ABEC Rating | Specifications Met | Each | |
Single Row | ||||||||||||||
Open | ||||||||||||||
7010 | 50 | 80 | 16 | Steel | 6,050 | 5,200 | 18,000 | Required | 15° | -40° to 250° | ABEC-5 | DIN 628-1 | 00000000 | 0000000 |
7208 | 40 | 80 | 18 | Steel | 8,450 | 5,800 | 11,000 | Required | 40° | -20° to 230° | ABEC-3 | __ | 0000000 | 000000 |
7307 | 35 | 80 | 21 | Steel | 8,750 | 5,500 | 10,000 | Required | 40° | -20° to 230° | ABEC-3 | __ | 0000000 | 000000 |
Sealed | ||||||||||||||
7208-2RS | 40 | 80 | 18 | Steel | 7,600 | 5,250 | 5,000 | Lubricated | 40° | -20° to 230° | ABEC-1 | DIN 628-1 | 0000000 | 000000 |
Double Row | ||||||||||||||
Open | ||||||||||||||
3208 | 40 | 80 | 30.2 | Steel | 10,600 | 7,600 | 8,000 | Required | 30° | -20° to 230° | ABEC-3 | __ | 00000000 | 000000 |
Shielded | ||||||||||||||
3208-2Z | 40 | 80 | 30.2 | Steel | 10,600 | 7,600 | 8,000 | Lubricated | 30° | -20° to 230° | ABEC-3 | __ | 00000000 | 000000 |
Sealed | ||||||||||||||
3208-2RS | 40 | 80 | 30.2 | Steel | 10,600 | 7,600 | 5,600 | Lubricated | 30° | -20° to 230° | ABEC-3 | __ | 00000000 | 000000 |
High-Speed Angular-Contact Thrust Ball Bearings
An ABEC-7 rating means these bearings are made to some of the tightest tolerances, so they operate at the highest speeds.
Open bearings dissipate heat more efficiently than sealed bearings.
Sealed bearings block out dust and other contaminants better than open bearings, but retain the most heat.
For technical drawings and 3-D models, click on a part number.
Combined Load Cap., lbs. | |||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Bearing Trade Number | For Shaft Dia., mm | For Housing ID, mm | Wd., mm | Ring Material | Dynamic | Static | Max. Speed, rpm | Lubrication | Contact Angle | Temp. Range, °F | ABEC Rating | Each | |
Single Row | |||||||||||||
Open | |||||||||||||
7010 | 50 | 80 | 16 | Steel | 6,650 | 5,350 | 17,000 | Required | 15° | -30° to 140° | ABEC-7 | 0000000 | 0000000 |
7208 | 40 | 80 | 18 | Steel | 8,500 | 5,650 | 19,200 | Required | 15° | -40° to 245° | ABEC-7 | 0000000 | 000000 |
Sealed | |||||||||||||
7010 | 50 | 80 | 16 | Steel | 6,100 | 4,900 | 17,700 | Lubricated | 15° | 0° to 230° | ABEC-7 | 0000000 | 000000 |
Tapered-Roller Bearings
Found anywhere from machine tool spindles to conveyor rollers, these bearings have a two-piece design that allows for adjustment.
For technical drawings and 3-D models, click on a part number.
Radial Load Cap., lbs. | Thrust Load Cap., lbs. | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
For Shaft Dia. | For Housing ID | Wd. | Bearing Trade Number | Dynamic | Static | Dynamic | Static | Max. Speed, rpm | Lubrication | Temp. Range, °F | Each | |
Steel Ring | ||||||||||||
Open | ||||||||||||
50mm | 80mm | 19mm | 33010 | 4,650 | 25,200 | 2,500 | 23,300 | 2,200 | Required | -60° to 200° | 0000000 | 0000000 |
High-Load Face-Mount Crossed-Roller Bearings
Open bearings dissipate heat more efficiently than sealed bearings.
Sealed bearings block out dust and other contaminants better than open bearings, but retain more heat.
For technical drawings and 3-D models, click on a part number.
Combined Load Cap., lbs. | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|
For Shaft Dia., mm | For Housing ID, mm | Wd., mm | Ring Material | Dynamic | Static | Max. Speed, rpm | Lubrication | Temp. Range, °F | Features | Each | |
Open | |||||||||||
25 | 80 | 12 | Steel | 1,900 | 2,350 | 1,400 | Required | 0° to 230° | Lubrication Groove, Two Lubrication Holes | 0000000 | 0000000 |
Sealed | |||||||||||
25 | 80 | 12 | Steel | 1,900 | 2,350 | 1,100 | Lubricated | 0° to 210° | Lubrication Groove, Two Lubrication Holes | 0000000 | 000000 |
High-Load Crossed-Roller Bearings
The thicker inner and outer raceways on these bearings can handle heavier loads than the thin-profile crossed-roller bearings. The rollers face in alternating directions to allow for rigid, accurate motion under any combination of radial, thrust, and moment (twisting) loads. Use in applications where highly accurate motion is necessary, such as machine tools and industrial robots.
Open bearings dissipate heat more efficiently than sealed bearings.
Sealed bearings block out dust and other contaminants better than open bearings, but retain more heat.
For technical drawings and 3-D models, click on a part number.
Combined Load Cap., lbs. | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|
For Shaft Dia., mm | For Housing ID, mm | Wd., mm | Ring Material | Dynamic | Static | Max. Speed, rpm | Lubrication | Temp. Range, °F | Features | Each | |
Open | |||||||||||
50 | 80 | 13 | Steel | 3,850 | 4,650 | 1,150 | Required | 0° to 230° | Lubrication Groove, Two Lubrication Holes | 0000000 | 0000000 |
Sealed | |||||||||||
50 | 80 | 13 | Steel | 3,850 | 4,600 | 900 | Lubricated | 0° to 210° | Lubrication Groove, Two Lubrication Holes | 0000000 | 000000 |
Spherical-Roller Bearings
Two rows of rollers give these bearings dynamic radial load capacities over five times higher than comparably sized tapered-roller bearings. Also known as rock crusher bearings, they handle heavy shock loads and are used for metal milling machinery, mining and oil field equipment, and in paper mills.
For technical drawings and 3-D models, click on a part number.
Combined Load Cap., lbs. | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|
For Shaft Dia., mm | For Housing ID, mm | Wd., mm | Bearing Trade Number | Ring Material | Dynamic | Static | Max. Speed, rpm | Lubrication | Max. Temp. Range, °F | Each | |
Open | |||||||||||
40 | 80 | 23 | 22208 | Steel | 25,400 | 22,300 | 6,700 | Required | 390 | 000000 | 0000000 |
Cylindrical Roller Bearings
With cylindrical rollers to distribute load over a large surface area, these bearings are often used to support heavy loads at high speeds in applications such as power generation and metal recycling. A cage prevents the rollers from touching each other, reducing friction for high-speed use. All of these bearings have an inner ring that's flanged on one side, so they only allow heat expansion in one direction. The bearings can be taken apart, so you can install them with precision and quickly dismantle them for maintenance or replacement.
For technical drawings and 3-D models, click on a part number.
Radial Load Capacity, lbs. | Thrust Load Capacity, lbs. | |||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
For Shaft Diameter, mm | For Housing ID, mm | Width, mm | Ring Material | Dynamic | Static | Dynamic | Static | Maximum Speed, rpm | Lubrication | For Shaft Surface Smoothness (Ra), microns | Temperature Range, °F | Specifications Met | Each | |
For Combined Radial and Thrust Loads | ||||||||||||||
Open | ||||||||||||||
40 | 80 | 18 | Steel | 14,150 | 11,900 | Not Rated | Not Rated | 10,900 | Required | 0.8 | -20° to 245° | DIN 5412-1 | 00000000 | 0000000 |
Round Maintenance-Free Turntables
The PTFE sleeve bearings will never need lubrication. These turntables add rotational positioning to machinery and equipment.
For technical drawings and 3-D models, click on a part number.
Bearing | |||||||||
---|---|---|---|---|---|---|---|---|---|
Capacity, lbs. | OD, mm | ID, mm | Overall Ht., mm | Material | Type | Material | Mounting Fasteners Included | Each | |
Lubrication Not Required | |||||||||
130 | 80 | 20 | 24 | Anodized Aluminum | Sleeve | PTFE Plastic | No | 0000000 | 0000000 |
Bearing Retaining Locknuts
With a nylon insert that grips your threaded shaft or spindle without damaging its threads, these locknuts—also called shaft nuts—hold bearings, bushings, gears, and pulleys prone to vibration tightly in place. They come as one piece, so you can easily clamp them onto your shaft or spindle. But, since they aren’t made entirely of metal, they don’t stand up to heat as well as all-metal locknuts. Slots in their sides mean you can tighten and loosen them with a spanner wrench or spanner socket. Their face is also chamfered to help keep the size and weight of your assembly at a minimum. All meet international standards for bearing locknut dimensions.
When choosing your thread spacing, consider the precision of your application. The finer the threads, the more control you have when making adjustments.
All carbon steel locknuts are strong and resist wear, though they don’t stand up to corrosion as well as stainless steel locknuts. Zinc-plated steel locknuts resist rusting from some moisture, but you shouldn’t use them with salt water or chemicals.
303 stainless steel locknuts resist corrosion better than steel locknuts but aren’t as strong. They withstand washdowns and chemicals.
For technical drawings and 3-D models, click on a part number.
Locknuts | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|
Thread | Spanner Sockets | |||||||||
Size | Pitch, mm | Spacing | OD | Wd., mm | Insert Max. Temp., °F | Specifications Met | Each | Each | ||
Carbon Steel | ||||||||||
Chamfered Face | ||||||||||
M60 | 2 | Extra Fine | 80mm | 15 | 160° | ISO 2982-2 | 00000000 | 000000 | 00000000 | 0000000 |
Zinc-Plated Carbon Steel | ||||||||||
Chamfered Face | ||||||||||
M60 | 2 | Extra Fine | 80mm | 13.5 | 210° | __ | 0000000 | 000000 | 000000 | 00 |
303 Stainless Steel | ||||||||||
Chamfered Face | ||||||||||
M60 | 2 | Extra Fine | 80mm | 15 | 160° | ISO 2982-2 | 00000000 | 00000 | 00000000 | 000000 |
Bearing Retaining Nuts
Often paired with spring lock washers to strengthen their hold, these retaining nuts—also known as shaft nuts—keep vibration from shifting bearings, bushings, pulleys, and gears on your threaded shaft or spindle. They have slotted sides, so you can tighten and loosen them with a spanner wrench or spanner socket.
Use stepped-face retaining nuts with DIN 462 spring lock washers. You can also use them in pairs or with other bearing retaining nuts as jam nuts. For the nut closer to the bearing, position the stepped face towards the bearing. All meet DIN standards for bearing lockout dimensions.
Chamfered-face retaining nuts weigh less and produce less heat than stepped-face nuts. Some meet ISO 2982 (formerly DIN 981), an international standard for bearing locknut dimensions. Their sizes correspond to SKF KM series. Use them with DIN 5406 spring lock washers.
Carbon steel retaining nuts are strong and resist wear.
For technical drawings and 3-D models, click on a part number.
Nuts | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Thread | Optional Washers | Spanner Sockets | ||||||||||
Size | Pitch, mm | Spacing | OD | Wd., mm | Specifications Met | For Lock Washer Specifications Met | Each | Each | Each | |||
Carbon Steel | ||||||||||||
Stepped Face | ||||||||||||
M55 | 1.5 | Extra Fine | 80mm | 13 | DIN 1804 | DIN 462 | 0000000 | 000000 | 000000 | 00 | 000000 | 00 |
Chamfered Face | ||||||||||||
M60 | 2 | Extra Fine | 80mm | 11 | DIN 981, ISO 2982 | DIN 5406 | 0000000 | 00000 | 000000000 | 00000 | 00000000 | 0000000 |
Bearing Retaining Jam Nuts
Used in pairs or with another bearing retaining nut, these jam nuts—often called shaft nuts—hold bearings, bushings, pulleys, and gears in place on your threaded shaft or spindle. Threading two nuts tightly against each other makes it harder for vibration to loosen your assembly than if you used only one nut. For the nut closer to the bearing, position the stepped face towards the bearing. These jam nuts have holes on the side, so you can tighten and loosen them with a pin spanner wrench. Made of carbon steel, they’re strong and wear resistant. All meet DIN 1816, an international standard for bearing locknut dimensions.
For technical drawings and 3-D models, click on a part number.
Flush-Mount Screw-Clamp Bushings
Insert these bushings into the bore of your sprocket for flush or recessed mounting. They handle shock loads. When you tighten the included clamping screws, the bushing's inner sleeve contracts onto the shaft and the outer sleeve expands to hold your sprocket, pulley, or gear. They can be mounted on shafts with or without keyways.
For technical drawings and 3-D models, click on a part number.
For Shaft Dia. | OD | Overall Wd. | Max. Torque, in.-lbs. | Fastener Tightening Torque, in.-lbs. | Material | Includes | Each | |
50mm | 80mm | 66mm | 36,400 | 363 | Steel | Clamping Screws | 0000000 | 0000000 |