SKF Bearing 3311 DNRCBM Double Row Back To Back Bearing With Snap Ring Fitted 55 mm Bore Heavy Duty Bearing Steel High Load Dynamic 95.6 kN Static 83 kN Axial Clearance CB

SKF 3311 DNRCBM Double-Row Back-to-Back Bearing 55mm Bore
✔️ 55 mm bore, double-row back-to-back, snap ring fitted, CB clearance

This SKF bearing is a double-row, back-to-back design with a snap ring fitted, built for demanding equipment like conveyors, presses, and heavy machinery. It handles high radial loads with precise axial location in compact housings. See dimensions table for critical measurements.

Dimension	Valeur
Diamètre intérieur	55 mm (2.17 in)
Outer diameter	129.8 mm (5.11 in)
Width	49.2 mm (1.94 in)
Pack dimensions	144 x 144 x 59 mm (5.67 x 5.67 x 2.32 in)

✅ Arrangement: back-to-back, double-row (O)
✅ Bore diameter: 55 mm (2.17 in)
✅ Outer ring locating: Snap ring fitted
✅ Width: 49.2 mm (1.94 in)
✅ Dynamic load rating: 95.6 kN
✅ Static load rating: 83 kN
✅ Contact angle: 40°
✅ Material: Bearing steel

💡 What is a double-row bearing used for in heavy machinery? This handy guide covers typical uses and why it's a good fit for rugged equipment.

• Supports radial and axial loads in compact layouts
• Ideal for back-to-back arrangements where axial load handling matters
• Snap ring helps precise axial location and easy servicing
• Works with standard lubrication cycles and maintenance checks