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Bearing Type Bearing Type |
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About Ball and Roller Bearings
More
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.
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.
Open

Open
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 | Each | |
R4 | 1/4" | 5/8" | 0.196" | 440C Stainless Steel | 260 | 75 | 45,000 | Lubricated | -40° to 240° | ABEC-1 | 0000000 | 00000 |
Shielded

Shielded
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 | Each | |
R4-2Z | 1/4" | 5/8" | 0.196" | 440C Stainless Steel | 260 | 75 | 38,000 | Lubricated | -40° to 240° | ABEC-1 | 0000000 | 00000 |
687-2Z | 7mm | 14mm | 5mm | 440C Stainless Steel | 260 | 100 | 45,000 | Lubricated | -40° to 240° | ABEC-5 | 00000000 | 0000 |
Sealed

Sealed
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 | Each | |
R4-2RS | 1/4" | 5/8" | 0.196" | 440C Stainless Steel | 260 | 75 | 38,000 | Lubricated | -40° to 240° | ABEC-1 | 0000000 | 00000 |
Precision Stainless Steel Ball Bearings

Open

Shielded
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. | |||||||||||
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For Shaft Dia. | For Housing ID | Wd. | Ring Material | Dynamic | Static | Max. Speed, rpm | Lubrication | Temp. Range, °F | ABEC Rating | Each | |
Open | |||||||||||
5mm | 16mm | 5mm | 440C Stainless Steel | 260 | 70 | 38,000 | Lubricated | -30° to 280° | ABEC-7 | 0000000 | 000000 |
Shielded | |||||||||||
5mm | 16mm | 5mm | 440C Stainless Steel | 260 | 70 | 38,000 | Lubricated | -30° to 280° | ABEC-7 | 0000000 | 00000 |