QJ 310 MA SKF Bearing Four Point Contact Ball Bearing 50 mm Bore Machined Metal Cage Bearing Steel No Coating Industrial Grade For Heavy Duty Machinery And Precision Applications

QJ 310 MA SKF Four-Point Ball Bearing 50mm Bore - Single
✔️ Four-point contact, CN clearance, 50 mm bore, machined metal cage

SKF's QJ 310 MA is a heavy-duty four-point contact ball bearing designed for precise rotary motion in machinery. This 50 mm bore bearing is ideal for CNC machines, robotics, conveyors, and other demanding industrial equipment where reliability matters. The machined metal cage and steel construction deliver long life in tough environments.

✅ Axial internal clearance CN; Basic dynamic load rating 118 kN; Basic static load rating 100 kN; Four-point contact; Contact angle 35°
✅ Bore 50 mm (2.0 in); O.D. 110 mm (4.33 in); Width 27 mm (1.06 in); Machined metal cage; Bearing steel; No coating
✅ Max speed 11000 r/min; Lubricant None; Sealing Without; SKF Explorer performance class

💡 What is a four-point contact ball bearing used for in heavy machinery?

These handy bearings support rotary motion under combined radial and axial loads in industrial setups. - Handy for precision equipment like CNC spindles, conveyors, and robotic axes - Help maintain alignment and minimize deflection under load - Use standard bore sizes for easier replacement and maintenance