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About Ball and Roller Bearings
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Angular-Contact Thrust Ball Bearings
Open
Install these bearings for use with combined radial and thrust loads. They are often used in spindle applications and can be combined with cylindrical roller bearings to better handle radial loads.
Single-row bearings handle thrust loads on one side. For applications with thrust loads on both sides, mount them in pairs.
Open bearings dissipate heat more efficiently than shielded and sealed bearings.
Combined Load Cap., lbs. | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Bearing Trade Number  | For Shaft Dia., mm | For Housing ID, mm | Wd., mm | Ring Material | Dynamic | Static | Max. Speed, rpm | Lubrication | Contact Angle | Temp. Range, °F | ABEC Rating | Specifications Met | Each | |
Single Row | ||||||||||||||
Open | ||||||||||||||
| 7008 | 40 | 68 | 15 | Steel | 4,800 | 3,800 | 21,700 | Required | 15° | -40° to 250° | ABEC-5 | DIN 628-1 | 00000000 | 0000000 |
High-Speed Angular-Contact Thrust Ball Bearings
Open
Sealed
An ABEC-7 rating means these bearings are made to some of the tightest tolerances, so they operate at the highest speeds.
Open bearings dissipate heat more efficiently than sealed bearings.
Sealed bearings block out dust and other contaminants better than open bearings, but retain the most heat.
Combined Load Cap., lbs. | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Bearing Trade Number | For Shaft Dia., mm | For Housing ID, mm | Wd., mm | Ring Material | Dynamic | Static | Max. Speed, rpm | Lubrication | Contact Angle | Temp. Range, °F | ABEC Rating | Each | |
Single Row | |||||||||||||
Open | |||||||||||||
| 7008 | 40 | 68 | 15 | Steel | 3,750 | 2,450 | 20,000 | Required | 15° | -30° to 140° | ABEC-7 | 0000000 | 0000000 |
Sealed | |||||||||||||
| 7008 | 40 | 68 | 15 | Steel | 4,850 | 3,550 | 21,300 | Lubricated | 15° | 0° to 230° | ABEC-7 | 0000000 | 000000 |