SKF 3311 A C3 Double Row Angular Contact Ball Bearing 55 mm Bore With Back To Back Arrangement C3 Clearance 112 KN Dynamic Load 81 Point 5 KN Static Load Sheet Metal Cage Uncoated Outer Ring

SKF 3311 A C3 Double-Row Angular Bearing 55mm Bore
✔️ Back-to-back double-row, C3 clearance, 55 mm bore, single unit

This SKF 3311 A C3 double-row angular contact ball bearing is designed for back-to-back arrangements, handling axial and radial loads in compact, high-load machinery. Commonly used in conveyors, spindles, and precision rollers where rigid support is needed. This unit features a 55 mm bore, sheet metal cage, C3 axial clearance, and a one-piece inner and outer ring design, compatible with linear slide units.

✅ Bore diameter: 55 mm (2.167 in)
✅ Arrangement: Back-to-back two-row angular contact
✅ Axial clearance: C3
✅ Basic dynamic load rating: 112 kN
✅ Basic static load rating: 81.5 kN
✅ Cage: Sheet metal
✅ Outer ring: Uncoated
✅ Lubrication: None
✅ Material: Bearing steel
✅ Number of rows: 2
✅ Width: 49.2 mm
✅ Pack size: Single bearing
✅ O.D.: 4 5/7 in

💡 À quoi sert un roulement à billes à contact oblique dans les machines de précision ?

This handy bearing handles combined radial and axial loads in compact, precision setups useful in conveyors, spindles, and linear slide units.

- Supports precise load sharing in back-to-back or tandem configurations
- Ideal for conveyors, spindles, and linear slide units where tight tolerances matter
- Improves rigidity and load handling in high-speed applications