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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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.
Radial Load Cap., lbs. | |||||||||||||
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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 | |
6207 | 35mm | 72mm | 17mm | Steel | 5,700 | 3,400 | 24,000 | Lubricated | -20° to 230° | ABEC-1 | DIN 625-1 | 00000000 | 000000 |
Radial Load Cap., lbs. | |||||||||||||
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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 | |
6207-2Z | 35mm | 72mm | 17mm | Steel | 5,700 | 3,400 | 9,500 | Lubricated | -20° to 230° | ABEC-1 | DIN 625-1 | 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 | Specifications Met | Each | |
6207-2RS | 35mm | 72mm | 17mm | Steel | 5,700 | 3,400 | 5,700 | Lubricated | -20° to 230° | ABEC-1 | DIN 625-1 | 0000000 | 000000 |
Needle-Roller Bearings
Also known as drawn-cup roller bearings, these are our thinnest roller bearings. The outer ring is drawn out to form a lip that holds the bearing together. Bearings take on the shape of their housing and may be oblong prior to installation.
Open bearings dissipate heat more efficiently than sealed bearings.
Sealed bearings block out dust better than open bearings, but retain more heat.
For technical drawings and 3-D models, click on a part number.
Radial Load Cap., lbs. | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
For Shaft Dia. | For Housing ID | Wd. | Ring Material | Dynamic | Static | Max. Speed, rpm | Lubrication | For Shaft Surface Smoothness (Ra), microinch | Temp. Range, °F | Specifications Met | Each | |
Open | ||||||||||||
1 5/8" | 2" | 5/8" | Steel | 5,700 | 8,900 | 6,200 | Required | 8 | -40° to 280° | __ | 00000000 | 000000 |
25mm | 32mm | 26mm | Steel | 5,700 | 10,100 | 10,200 | Required | 8 | -20° to 280° | DIN 618, ISO 3245 | 00000000 | 00000 |
40mm | 47mm | 20mm | Steel | 5,700 | 11,650 | 6,600 | Required | 8 | -20° to 280° | DIN 618, ISO 3245 | 00000000 | 00000 |
Sealed—Both Sides | ||||||||||||
25mm | 32mm | 30mm | Steel | 5,700 | 10,100 | 6,100 | Lubricated | 8 | 0° to 210° | DIN 618 | 00000000 | 00000 |
Mounted Ball Bearings
Bearings are self-aligning to compensate for shaft misalignment. Seals block out dust and contaminants.
Bearings with eccentric lock have a collar that you twist in one direction to grip and the other to release. Compared to bearings with a set screw, they’re easier to install, require less adjustment over time, and are better for high-speed applications. But, they only work on shafts that spin in one direction.
Bearing with concentric lock use adapter sleeves (sold separately) to lock onto shafts in a way that enables high running speeds with little vibration. They work for applications that require reversing because they allow shafts to rotate in both directions.
For technical drawings and 3-D models, click on a part number.
Overall | Mounting | Radial Load Cap., lbs. | |||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
For Shaft Dia. | Center Ht. | Ht. | Lg. | Wd. | Hole Lg. | Hole Wd. | Hole Ctr.-to-Ctr. | Dynamic | Static | Max. Speed, rpm | Temp. Range, °F | Alignment Style | Lubrication | Each | |
Sealed Steel Bearings with Cast Iron Housing | |||||||||||||||
Shaft Mount Type: Eccentric Lock | |||||||||||||||
1 1/4" | 1 13/16" | 3 5/8" | 6 9/16" | 2 1/16" | 13/16" | 21/32" | 5" | 5,700 | 3,400 | 5,300 | -20° to 210° | Self Aligning | Lubricated | 0000000 | 0000000 |
1 3/8" | 1 13/16" | 3 5/8" | 6 9/16" | 2 1/16" | 13/16" | 21/32" | 5" | 5,700 | 3,400 | 5,300 | -20° to 210° | Self Aligning | Lubricated | 0000000 | 000000 |
1 7/16" | 1 13/16" | 3 5/8" | 6 9/16" | 2 1/16" | 13/16" | 21/32" | 5" | 5,700 | 3,400 | 5,300 | -20° to 210° | Self Aligning | Lubricated | 0000000 | 00000 |
Shaft Mount Type: Concentric Lock | |||||||||||||||
30mm | 47.6mm | 93mm | 167mm | 47.3mm | 24mm | 17mm | 129mm | 5,700 | 3,400 | 5,300 | -20° to 210° | Self Aligning | Lubricated | 00000000 | 000000 |
For Shaft Diameter, mm | ID, mm | Width, mm | Includes | Each | |
Low-Carbon Steel | |||||
---|---|---|---|---|---|
30 | 30 | 43 | Lock Nut, Lock Washer | 00000000 | 000000 |
High-Speed Mounted Ball Bearings
These bearings have the highest speed ratings of any mounted ball bearing that we offer. The clamp-on collar creates a 360° grip around the shaft for a strong, mar-free hold. Bearings are self-aligning to compensate for shaft misalignment.
Bearings with torque indicator tell you when the shaft is centered, ensuring smooth rotation in applications with high vibration.
Shielded bearings dissipate heat more efficiently than sealed bearings.
For technical drawings and 3-D models, click on a part number.
Overall | Mounting | Radial Load Cap., lbs. | |||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
For Shaft Dia. | Center Ht. | Ht. | Lg. | Wd. | Hole Lg. | Hole Wd. | Hole Ctr.-to-Ctr. | Dynamic | Static | Max. Speed, rpm | Temp. Range, °F | Alignment Style | Lubrication | Each | |
Shielded Steel Bearings with Cast Iron Housing—Shaft Mount Type: Clamp On | |||||||||||||||
With Torque Indicator | |||||||||||||||
1 7/16" | 1 7/8" | 3 11/16" | 6 9/16" | 1 55/64" | 13/16" | 21/32" | 5" | 5,700 | 3,400 | 5,300 | -20° to 210° | Self Aligning | Lubricated | 0000000 | 0000000 |
High-Temperature Mounted Ball Bearings
Synthetic grease or graphite enables these bearings to operate in high temperatures. They have an extended inner ring for additional shaft support. Seals block out dust and contaminants.
Bearings with graphite operate in temperatures up to 660° F, three times that of standard 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.
Overall | Mounting | Radial Load Cap., lbs. | |||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
For Shaft Dia. | Center Ht. | Ht. | Lg. | Wd. | Hole Lg. | Hole Wd. | Hole Ctr.-to-Ctr. | Dynamic | Static | Max. Speed, rpm | Temp. Range, °F | Alignment Style | Lubrication | Each | |
Sealed Steel Bearings with Cast Iron Housing—Shaft Mount Type: Set Screw | |||||||||||||||
Graphite | |||||||||||||||
1 1/4" | 1 7/8" | 3 11/16" | 6 5/16" | 1 3/4" | 13/16" | 9/16" | 4 15/16" | 5,700 | 3,400 | 160 | -240° to 660° | Fixed Alignment | Lubricated | 0000000 | 0000000 |
Food Industry Mounted Ball Bearings
The lubricant in these mounted ball bearings is NSF registered H1 and FDA compliant for incidental contact with food. Bearings are self-aligning to compensate for shaft misalignment.
Steel bearings are stronger than stainless steel bearings, but not as corrosion resistant.
Sealed bearings block out dust and other contaminants better than shielded bearings.
For technical drawings and 3-D models, click on a part number.
Bearings | |||||||||||||||||
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Overall | Mounting | Radial Load Cap., lbs. | Optional Covers | ||||||||||||||
For Shaft Dia. | Center Ht. | Ht. | Lg. | Wd. | Hole Lg. | Hole Wd. | Hole Ctr.-to-Ctr. | Dynamic | Static | Max. Speed, rpm | Temp. Range, °F | Alignment Style | Lubrication | Each | Each | ||
Sealed Steel Bearings with Plastic Housing | |||||||||||||||||
Shaft Mount Type: Set Screw | |||||||||||||||||
1 1/4" | 1 7/8" | 3 11/32" | 6 21/32" | 1 37/64" | 11/16" | 35/64" | 5" | 5,700 | 3,400 | 650 | -20° to 160° | Self Aligning | Lubricated | 0000000 | 0000000 | 0000000 | 00000 |
1 7/16" | 1 7/8" | 3 11/16" | 6 21/32" | 1 37/64" | 11/16" | 35/64" | 5" | 5,700 | 3,400 | 650 | -20° to 160° | Self Aligning | Lubricated | 0000000 | 000000 | 0000000 | 0000 |
Mounted Ball Bearings with Two-Bolt Flange
Bearings are self-aligning to compensate for shaft misalignment. Seals block out dust and contaminants.
Bearings with a set-screw shaft mount secure to shafts with no need for an additional collar. They can be used for bi-directional shaft rotation when applications require reversing action. The set screw may cause some marring on the shaft.
Bearings with an eccentric-lock shaft mount are better than bearings with a set-screw shaft mount for high-speed applications, but only rotate in a single direction.
For technical drawings and 3-D models, click on a part number.
Overall | Mounting | Radial Load Cap., lbs. | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
For Shaft Dia. | Ht. | Lg. | Wd. | Flange Thick. | Hole Dia. | Hole Ctr.-to-Ctr. | Dynamic | Static | Max. Speed, rpm | Temp. Range, °F | Alignment Style | Lubrication | Each | |
Sealed Steel Bearings with Cast Iron Housing | ||||||||||||||
Shaft Mount Type: Set Screw | ||||||||||||||
1 1/4" | 3 5/8" | 6 1/8" | 1 53/64" | 9/16" | 9/16" | 5 1/8" | 5,700 | 3,400 | 5,300 | -20° to 210° | Self Aligning | Lubricated | 0000000 | 000000 |
1 3/8" | 3 5/8" | 6 1/8" | 1 29/32" | 9/16" | 9/16" | 5 7/64" | 5,700 | 3,400 | 5,300 | -20° to 210° | Self Aligning | Lubricated | 00000000 | 000000 |
1 7/16" | 3 5/8" | 6 1/8" | 1 53/64" | 9/16" | 9/16" | 5 1/8" | 5,700 | 3,400 | 5,300 | -20° to 210° | Self Aligning | Lubricated | 0000000 | 00000 |
Shaft Mount Type: Eccentric Lock | ||||||||||||||
1 1/4" | 3 5/8" | 6 1/8" | 2 1/16" | 9/16" | 9/16" | 5 1/8" | 5,700 | 3,400 | 5,300 | -20° to 210° | Self Aligning | Lubricated | 00000000 | 00000 |
1 3/8" | 3 5/8" | 6 1/8" | 2 1/16" | 9/16" | 9/16" | 5 7/64" | 5,700 | 3,400 | 5,300 | -20° to 210° | Self Aligning | Lubricated | 00000000 | 00000 |
1 7/16" | 3 5/8" | 6 1/8" | 2 1/16" | 9/16" | 9/16" | 5 1/8" | 5,700 | 3,400 | 5,300 | -20° to 210° | Self Aligning | Lubricated | 00000000 | 00000 |
Mounted Ball Bearings with Four-Bolt Flange
Bearings are self-aligning to compensate for shaft misalignment. Seals block out dust and contaminants.
Set screw bearings secure to shafts as you tighten their screw. They don’t need a collar, but the screw leaves some marring on shafts. Use them in applications where shafts rotate in both directions.
Eccentric lock bearings are quick to install—twist them in one direction to tighten and the opposite to loosen. They’re better than set screw bearings for high speed applications, but they only work with shafts that rotate in one direction.
For technical drawings and 3-D models, click on a part number.
Overall | Mounting | Radial Load Cap., lbs. | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
For Shaft Dia. | Ht. | Lg. | Wd. | Flange Thick. | Hole Dia. | Hole Ctr.-to-Ctr. | Dynamic | Static | Max. Speed, rpm | Temp. Range, °F | Alignment Style | Lubrication | Each | |
Sealed Steel Bearings with Cast Iron Housing | ||||||||||||||
Shaft Mount Type: Set Screw | ||||||||||||||
1 1/4" | 4 5/8" | 4 5/8" | 1 53/64" | 1/2" | 9/16" | 3 5/8" | 5,700 | 3,400 | 5,300 | -20° to 210° | Self Aligning | Lubricated | 0000000 | 000000 |
1 3/8" | 4 5/8" | 4 5/8" | 1 29/32" | 1/2" | 9/16" | 3 5/8" | 5,700 | 3,400 | 5,300 | -20° to 210° | Self Aligning | Lubricated | 00000000 | 000000 |
1 7/16" | 4 5/8" | 4 5/8" | 1 53/64" | 1/2" | 9/16" | 3 5/8" | 5,700 | 3,400 | 5,300 | -20° to 210° | Self Aligning | Lubricated | 0000000 | 00000 |
Shaft Mount Type: Eccentric Lock | ||||||||||||||
1 1/4" | 4 5/8" | 4 5/8" | 2 1/16" | 1/2" | 1/2" | 3 5/8" | 5,700 | 3,400 | 5,300 | -20° to 210° | Self Aligning | Lubricated | 0000000 | 000000 |
1 3/8" | 4 5/8" | 4 5/8" | 2 1/16" | 1/2" | 1/2" | 3 5/8" | 5,700 | 3,400 | 5,300 | -20° to 210° | Self Aligning | Lubricated | 0000000 | 00000 |
1 7/16" | 4 5/8" | 4 5/8" | 2 1/16" | 1/2" | 1/2" | 3 5/8" | 5,700 | 3,400 | 5,300 | -20° to 210° | Self Aligning | Lubricated | 0000000 | 00000 |
35mm | 118mm | 118mm | 50.4mm | 13mm | 14mm | 92mm | 5,700 | 3,400 | 5,300 | -20° to 210° | Self Aligning | Lubricated | 0000000 | 000000 |
Threaded Track Rollers
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.
Crowned rollers have a slight curve, which is invisible to the naked eye, to stay centered on surfaces that are not perfectly aligned and/or not perfectly flat.
Rollers with seal have end seals to protect rolling elements from dirt and contamination.
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 | Each | |
Black-Oxide Steel Flat Rollers with Seal | |||||||||||||||
47 | 24 | 20 | 40.5 | M20 | 1.5 | 21 | 30 | 0.8 | 2,600 | 10,000 | 5,700 | 250° | Needle Roller | 00000000 | 0000000 |
52 | 24 | 20 | 40.5 | M20 | 1.5 | 21 | 36 | 0.8 | 2,600 | 10,000 | 5,700 | 250° | Needle Roller | 00000000 | 000000 |
Black-Oxide Steel Crowned Rollers with Seal | |||||||||||||||
47 | 24 | 20 | 40.5 | M20 | 1.5 | 21 | 30 | 0.8 | 2,600 | 10,000 | 5,700 | 250° | Needle Roller | 00000000 | 000000 |
52 | 24 | 20 | 40.5 | M20 | 1.5 | 21 | 36 | 0.8 | 2,600 | 10,000 | 5,700 | 250° | Needle Roller | 00000000 | 000000 |
Corrosion-Resistant Threaded Track Rollers
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 have end seals to protect rolling elements from dirt and contamination.
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 | Max. Temp., °F | Bearing Type | Each | |
Chrome-Plated Steel Flat Rollers with Seal | ||||||||||||||
1 3/4" | 1" | 3/4" | 1 3/4" | 3/4"-16 | 7/8" | 1 3/64" | 1/32" | 1,400 | 6,000 | 5,700 | 250° | Needle Roller | 000000 | 0000000 |