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
UPC:
✔️ 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
💡 What is an angular contact ball bearing used for in precision machinery?
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