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Bearing Type Bearing Type |
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Ball Material Ball Material |
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Cage Material Cage Material |
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For Load Direction For Load Direction |
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Dynamic Radial Load Capacity Dynamic Radial Load Capacity |
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Maximum Speed Maximum Speed | Show |
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Maximum Speed Maximum Speed | Hide |
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For Shaft Type For Shaft Type |
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Shaft Mount Type Shaft Mount Type |
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Lubrication Lubrication |
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RoHS (Restriction of Hazardous Substances) RoHS (Restriction ofHazardous Substances) |
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About Ball and Roller Bearings
More
Ball 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. | |||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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 | |
607-2Z | 7mm | 19mm | 6mm | Steel | 580 | 230 | 45,000 | Lubricated | -20° to 230° | ABEC-1 | DIN 625-1 | 00000000 | 000000 |
635-2Z | 5mm | 19mm | 6mm | Steel | 580 | 230 | 45,000 | Lubricated | -20° to 230° | ABEC-1 | DIN 625-1 | 00000000 | 00000 |
Stainless Steel 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.
Bearings with extended inner ring provide additional shaft support.
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 | |
R4 | 1/4" | 5/8" | 0.196" | 440C Stainless Steel | 260 | 75 | 45,000 | Lubricated | -40° to 240° | ABEC-1 | 0000000 | 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 | Each | |
148-2Z | 8mm | 14mm | 4mm | 440C Stainless Steel | 180 | 70 | 45,000 | Lubricated | -40° to 240° | ABEC-5 | 00000000 | 00000 |
687-2Z | 7mm | 14mm | 5mm | 440C Stainless Steel | 260 | 100 | 45,000 | Lubricated | -40° to 240° | ABEC-5 | 00000000 | 0000 |

Inner Ring | Radial Load Cap., lbs. | |||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Bearing Trade Number | For Shaft Dia. | For Housing ID | Wd. | OD | Wd. | Ring Material | Dynamic | Static | Max. Speed, rpm | Lubrication | Temp. Range, °F | ABEC Rating | Each | |
R4-2Z | 1/4" | 5/8" | 0.196" | 0.331" | 0.227" | 440C Stainless Steel | 330 | 120 | 45,000 | Lubricated | -40° to 240° | ABEC-5 | 000000000 | 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.
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. | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
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 | ||||||||||||
R3 | 3/16" | 1/2" | 5/32" | 440C Stainless Steel | 230 | 75 | 45,000 | Lubricated | -10° to 240° | ABEC-7 | 0000000 | 000000 |
R4 | 1/4" | 5/8" | 0.196" | 440C Stainless Steel | 330 | 120 | 45,000 | Lubricated | -10° to 240° | ABEC-5 | 000000000 | 0000 |
Shielded | ||||||||||||
R4-2Z | 1/4" | 5/8" | 0.196" | 440C Stainless Steel | 330 | 120 | 45,000 | Lubricated | -10° to 240° | ABEC-5 | 000000000 | 0000 |
Flanged Ball Bearings
The flange ensures proper positioning inside a tube or housing.
440C stainless steel bearings are more corrosion resistant than steel 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.
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 | |
R4 | 1/4" | 5/8" | 0.196" | 0.69" | 0.04" | 440C Stainless Steel | 330 | 120 | 45,000 | Lubricated | -20° to 250° | ABEC-5 | 000000000 | 00000 |
626 | 6mm | 19mm | 6mm | 22mm | 1.5mm | 440C Stainless Steel | 410 | 35 | 45,000 | Lubricated | -50° to 300° | ABEC-3 | 000000000 | 00000 |
626 | 6mm | 19mm | 6mm | 22mm | 1.5mm | Steel | 520 | 200 | 45,000 | Lubricated | -50° to 300° | ABEC-3 | 000000000 | 0000 |
635 | 5mm | 19mm | 6mm | 22mm | 1.5mm | Steel | 520 | 200 | 45,000 | Lubricated | -50° to 300° | ABEC-3 | 000000000 | 00000 |


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 | |
R4-2Z | 1/4" | 5/8" | 0.196" | 0.69" | 0.04" | 440C Stainless Steel | 330 | 120 | 45,000 | Lubricated | -20° to 250° | ABEC-5 | 000000000 | 00000 |
148-2Z | 8mm | 14mm | 4mm | 15.6mm | 0.8mm | 440C Stainless Steel | 180 | 70 | 45,000 | Lubricated | -20° to 250° | ABEC-5 | 00000000 | 0000 |
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 | ||||||||||||||
R3 | 3/16" | 1/2" | 0.196" | 0.565" | 0.04" | 440C Stainless Steel | 230 | 75 | 45,000 | Lubricated | -10° to 240° | ABEC-7 | 0000000 | 000000 |
Low-Profile Mounted Ball Bearings

Designed with a thin, compact housing, these bearings are good for space-constrained applications.
Shielded bearings dissipate heat more efficiently than sealed bearings.
Bearings with extended inner ring provide additional shaft support.
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 Dia. | Hole Ctr.-to-Ctr. | Dynamic | Static | Max. Speed, rpm | Temp. Range, °F | Alignment Style | Lubrication | Each | |
Shielded Steel Bearings with Aluminum Housing | ||||||||||||||
Shaft Mount Type: Press Fit | ||||||||||||||
5/16" | 3/8" | 3/4" | 1 7/16" | 13/64" | 1/8" | 1 1/8" | 100 | 45 | 45,000 | -20° to 245° | Fixed Alignment | Lubricated | 000000 | 000000 |
Overall | Mounting | Radial Load Cap., lbs. | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
For Shaft Dia. | Center Ht. | Ht. | Lg. | Wd. | Hole Dia. | Hole Ctr.-to-Ctr. | Dynamic | Static | Max. Speed, rpm | Temp. Range, °F | Alignment Style | Lubrication | Each | |
Shielded Steel Bearings with Aluminum Housing and Extended Inner Ring | ||||||||||||||
Shaft Mount Type: Press Fit | ||||||||||||||
5/16" | 3/8" | 3/4" | 1 7/16" | 13/64" | 1/8" | 1 1/8" | 100 | 45 | 45,000 | -20° to 245° | Fixed Alignment | Lubricated | 000000 | 000000 |