SKF double-row angular contact · catalog page 424
3309 ATN9
Exact manufacturer product-table record from SKF's angular-contact bearing section.
Published bearing data
Dimensions and ratings
- Designation
- 3309 ATN9
- Dynamic load rating C
- 75 kN
- Static load rating C0
- 53 kN
- Fatigue load limit Pu
- 2.24 kN
- Reference speed
- 7,500 rpm
- Limiting speed
- 6,700 rpm
- Mass
- 1.25 kg
- Catalog / PDF page
- 424 / 426
- Published row text
- 100 39,7 75 53 2,24 7 500 6 700 1,25 ▶ 3309 A ▶ 3309 ATN9
Verification boundary
What still needs to match
Bearing arrangementConfirm single-row, double-row, or four-point-contact architecture and the intended axial/radial load direction.
Internal designVerify contact angle, universal matching/preload class, cage, seals, and suffix-specific construction.
Fits and dutyCheck shaft/housing fits, preload, lubrication, speed, temperature, rigidity, and expected life.
Current availabilityConfirm the exact designation and latest product data with SKF before ordering or redesigning the assembly.
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