SKF Bearing 3313A Double Row Angular Contact Back To Back Bore 65 mm Bearing Steel With CN Internal Clearance High Dynamic Load Rating 146 kN And Static Rating 110 kN Suitable For Heavy Duty Machinery
✔️ Open double-row design, 65 mm bore, 58.7 mm width CN
SKF 3313 A is a double-row angular contact ball bearing engineered for heavy loads and accurate positioning. This open design with a one-piece inner and outer ring is well suited for gearboxes, conveyors, and precision machinery where space is tight and performance matters.
✅ Bore diameter: 65 mm (2.56 in)
✅ Width: 58.7 mm (2.31 in)
✅ Outer diameter: 139.7 mm (5.50 in)
✅ Double-row back-to-back arrangement with 30° contact angle
✅ Basic dynamic load rating: 146 kN
✅ Basic static load rating: 110 kN
✅ Bearing material: Bearing steel
✅ Cage: Sheet metal
✅ Ring type: One-piece inner and outer rings
✅ Lubrication: None; Sealing: Open
✅ Reference speed: 5300 r/min
✅ Limiting speed: 4500 r/min
✅ Pack dimensions: 154 x 154 x 64 mm (6.06 x 6.06 x 2.52 in)
💡 What is a double-row angular contact bearing used for in mechanical systems?
This handy bearing handles mixed radial and axial loads in tight spaces. Common uses include:
- In back-to-back configurations to improve rigidity - In precision spindles and machine tools for smooth operation - In conveyors and automation setups needing steady rotation - In gearboxes and drive systems with limited space