System of Measurement System of Measurement |
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For Shaft Diameter For Shaft Diameter |
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For Housing ID For Housing ID |
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OD OD |
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ID ID |
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Bearing Type Bearing Type |
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 | Ball |
Seal Type Seal Type |
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Ball Bearing Type Ball Bearing Type |
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 | Standard |
Trade Number Trade Number | Show |
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Trade Number Trade Number | Hide |
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Inner Ring Type Inner Ring Type |
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| Standard |
Ring Material Ring Material |
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Maximum Speed Maximum Speed |
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Dynamic Radial Load Capacity Dynamic RadialLoad Capacity |
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Construction Construction |
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Lubricant Lubricant |
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Maximum Radial Clearance Maximum Radial Clearance |
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Maximum Temperature Maximum Temperature |
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Minimum Temperature Minimum Temperature |
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Minimum Radial Clearance Minimum Radial Clearance |
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Radial Clearance Trade Number Radial ClearanceTrade Number |
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Shield Material Shield Material |
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Static Radial Load Capacity Static Radial Load Capacity |
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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. | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Trade No. | For Shaft Dia. | For Housing ID | Wd. | Ring Material | Dynamic | Static | Max. Speed, rpm | Lubrication | Temp. Range, °F | ABEC Rating | Specifications Met | Each | |
| 6308-2Z | 40mm | 90mm | 23mm | Steel | 9,550 | 5,600 | 7,500 | Lubricated | -20° to 230° | ABEC-1 | DIN 625-1 | 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.
For technical drawings and 3-D models, click on a part number.
Radial Load Cap., lbs. | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Trade No. | 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 | ||||||||||||
| 6308-2Z | 40 | 90 | 23 | Steel | 9,500 | 5,350 | 8,500 | Lubricated | -30° to 240° | ABEC-3 | 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. Shields keep out dust and contaminants.
For technical drawings and 3-D models, click on a part number.
Radial Load Cap., lbs. | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Trade No. | 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 | ||||||||||||
| 6308-2Z | 40 | 90 | 23 | Steel | 11,400 | 6,900 | 11,000 | Lubricated | -20° to 245° | ABEC-1 | 0000000 | 0000000 |