About Ball and Roller Bearings
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About Track Rollers
Also known as cam followers, track rollers have a thick outer roller that runs directly on a flat surface.
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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.
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 | ||||||||||||
634-2Z | 4 | 16 | 5 | Steel | 250 | 90 | 48,000 | Lubricated | -20° to 230° | ABEC-3 | 0000000 | 000000 |
Light Duty Ball Bearings
Use these bearings where high speed and precision are not a concern.
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 | |
Open | ||||||||||||
3002 | 1/4" | 11/16" | 1/4" | Steel | 250 | 170 | 2,500 | Lubricated | -20° to 250° | Not Rated | 0000000 | 000000 |
Shielded | ||||||||||||
3001-2Z | 3/16" | 11/16" | 1/4" | Steel | 250 | 170 | 2,500 | Lubricated | -20° to 250° | Not Rated | 0000000 | 00000 |
3002-2Z | 1/4" | 11/16" | 1/4" | Steel | 250 | 170 | 2,500 | Lubricated | -20° to 250° | Not Rated | 0000000 | 00000 |
Sealed | ||||||||||||
3001-2RS | 3/16" | 11/16" | 5/16" | Steel | 250 | 170 | 2,500 | Lubricated | -20° to 250° | Not Rated | 0000000 | 00000 |
3002-2RS | 1/4" | 11/16" | 5/16" | Steel | 250 | 170 | 2,500 | Lubricated | -20° to 250° | Not Rated | 0000000 | 00000 |
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 | ||||||||||||
6706 | 30 | 37 | 4 | 440C Stainless Steel | 250 | 200 | 9,000 | Lubricated | -10° to 200° | ABEC-1 | 00000000 | 000000 |
Sealed | ||||||||||||
6706-2RS | 30 | 37 | 4 | 440C Stainless Steel | 250 | 200 | 9,000 | Lubricated | -10° to 200° | ABEC-1 | 00000000 | 00000 |
Precision Stainless Steel Ball Bearings
Made to tight tolerances, these 440C stainless steel bearings combine speed and accuracy with corrosion resistance.
Open bearings dissipate heat more efficiently 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. | For Housing ID | Wd. | Ring Material | Dynamic | Static | Max. Speed, rpm | Lubrication | Temp. Range, °F | ABEC Rating | Each | |
Open | ||||||||||||
R4 | 1/4" | 5/8" | 0.196" | 440C Stainless Steel | 250 | 95 | 36,000 | Lubricated | -10° to 240° | ABEC-7 | 0000000 | 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. | For Housing ID | Wd. | Ring Material | Dynamic | Static | Max. Speed, rpm | Lubrication | Temp. Range, °F | ABEC Rating | Specifications Met | Each | |
Open | |||||||||||||
R3 | 3/16" | 1/2" | 5/32" | 440C Stainless Steel | 250 | 85 | 37,500 | Lubricated | -20° to 210° | ABEC-1 | FDA Compliant 21 CFR 178.3570 | 000000 | 000000 |
Sealed | |||||||||||||
R3-2RS | 3/16" | 1/2" | 0.196" | 440C Stainless Steel | 250 | 85 | 37,500 | Lubricated | -20° to 210° | ABEC-1 | FDA Compliant 21 CFR 178.3570 | 0000000 | 00000 |
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 | |||||||||||||
6706-2RS | 30 | 37 | 4 | 440C Stainless Steel | 250 | 210 | 5,500 | Lubricated | -40° to 200° | ABEC-1 | FDA Compliant 21 CFR 178.3570 | 00000000 | 000000 |
Flanged Ball Bearings
The flange ensures proper positioning inside a tube or housing.
440C stainless steel bearings are more corrosion resistant than steel 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.
Bearings with extended inner ring provide additional shaft support.
For technical drawings and 3-D models, click on a part number.
Flange | Radial Load Cap., lbs. | |||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Bearing Trade Number | For Shaft Dia. | For Housing ID | Wd. | OD | Thick. | Ring Material | Dynamic | Static | Max. Speed, rpm | Lubrication | Temp. Range, °F | ABEC Rating | Each | |
634-2Z | 4mm | 16mm | 5mm | 18mm | 1mm | 440C Stainless Steel | 250 | 90 | 46,000 | Lubricated | -50° to 300° | ABEC-3 | 000000000 | 000000 |
with Extended
Inner Ring
Flange | Inner Ring | Radial Load Cap., lbs. | |||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
For Shaft Dia. | For Housing ID | Wd. | OD | Thick. | OD | Wd. | Ring Material | Dynamic | Static | Max. Speed, rpm | Lubrication | Temp. Range, °F | ABEC Rating | Each | |
1/4" | 11/16" | 5/16" | 0.813" | 0.06" | 0.313" | 0.375" | Steel | 250 | 170 | 2,500 | Lubricated | -20° to 250° | Not Rated | 00000000 | 000000 |
Flanged Ultra-Thin Ball Bearings
Flanged and creating twice as many contact points as angular-contact ball bearings, these bearings ensure correct positioning within a tube or housing and resist radial loads.
Open bearings dissipate heat more efficiently than shielded bearings.
For technical drawings and 3-D models, click on a part number.
Flange | Radial Load Cap., lbs. | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
For Shaft Diameter, mm | For Housing ID, mm | Width, mm | OD, mm | Thickness, mm | Dynamic | Static | Max. Speed, rpm | Lubrication | Temperature Range, °F | ABEC Rating | Each | |
Steel Ring | ||||||||||||
Open | ||||||||||||
30 | 37 | 4 | 39 | 1 | 250 | 210 | 7,000 | Lubricated | -50° to 280° | ABEC-1 | 00000000 | 000000 |
Precision Flanged Ball Bearings
When speed and accuracy matter most, opt for these bearings. They’re made to tighter tolerances than standard flanged ball bearings. All are 440C stainless steel for good corrosion resistance. The flange ensures proper positioning inside a tube or housing.
Open bearings dissipate heat more efficiently than shielded bearings.
For technical drawings and 3-D models, click on a part number.
Flange | Radial Load Cap., lbs. | |||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Bearing Trade Number | For Shaft Dia. | For Housing ID | Wd. | OD | Thick. | Ring Material | Dynamic | Static | Max. Speed, rpm | Lubrication | Temp. Range, °F | ABEC Rating | Each | |
Open | ||||||||||||||
R4 | 1/4" | 5/8" | 0.196" | 0.69" | 0.04" | 440C Stainless Steel | 250 | 95 | 36,000 | Lubricated | -10° to 240° | ABEC-7 | 0000000 | 000000 |
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.
440 stainless steel bearings are more corrosion resistant than steel bearings.
Open bearings dissipate heat more efficiently than shielded 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 | ||||||||||||||
30mm | 37mm | 4mm | 250 | 210 | Not Rated | Not Rated | Not Rated | Not Rated | 7,000 | Lubricated | -50° to 130° | ABEC-1 | 00000000 | 000000 |
440 Stainless Steel Ring | ||||||||||||||
Open | ||||||||||||||
30mm | 37mm | 4mm | 250 | 210 | Not Rated | Not Rated | Not Rated | Not Rated | 7,000 | Lubricated | -50° to 130° | ABEC-1 | 00000000 | 00000 |
Miniature High-Speed Threaded Track Rollers
Built to handle high speeds for their size. These track rollers have an outer ring that supports higher speeds than standard-sized track rollers. They also create less friction than miniature high-load rollers while spinning. You can use these rollers for precise movements in robots or other miniature applications.
For technical drawings and 3-D models, click on a part number.
Roller, mm | Stud, mm | Thread | Shoulder, mm | Radial Load Cap., lbs. | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Dia. | Wd. | Dia. | Lg. | Size | Pitch, mm | Lg., mm | Dia. | Lg. | Max. Speed, rpm | Static | Dynamic | Max. Temp., °F | Bearing Type | Includes | Each | |
Steel Flat Rollers without Seal | ||||||||||||||||
8 | 5 | 4 | 8 | M4 | 0.7 | 4 | 7.7 | 1 | 21,000 | 250 | 250 | 245° | Needle Roller | Nut | 0000000 | 0000000 |
Thrust-Load-Rated Corrosion-Resistant Threaded Track Rollers
These rollers are rated to handle radial and thrust (top and side) loads simultaneously. Also known as cam followers, track rollers support loads while guiding and positioning work. Thread the stud directly into a component or secure with a nut for through-hole mounting. All rollers are permanently lubricated and have end seals to retain lubricant and protect rolling elements from dirt and contamination.
303 stainless steel rollers are more corrosion resistant than 440C stainless steel rollers.
For technical drawings and 3-D models, click on a part number.
Roller | Stud | Thread | Shoulder | Radial Load Cap., lbs. | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Dia. | Wd. | Dia. | Lg. | Size | Lg. | Dia. | Lg. | Max. Speed, rpm | Static | Dynamic | Static Thrust Load Cap., lbs. | Max. Temp., °F | Bearing Type | Includes | Each | |
303 Stainless Steel Flat Rollers with Seal | ||||||||||||||||
Slotted Roller Head Drive | ||||||||||||||||
1/2" | 5/16" | 3/16" | 1/2" | 8-32 | 1/4" | 9/32" | 1/16" | 1,500 | 90 | 250 | 50 | 245° | Ball | Mounting Hardware | 0000000 | 000000 |