SKF Four Point Contact Ball Bearing QJ 318 N2MA 90 Mm Bore Machined Metal Cage No Coating 35 Degree Contact Angle A Real Workhorse With 285 kN Dynamic Load And 305 kN Static Load Rating Bearing Steel

SKF QJ 318 N2MA 90 mm Bore Four-Point Ball Bearing ✔️ 90 mm bore, 43 mm width, machined metal cage, CN clearance

This SKF QJ 318 N2MA is a four-point contact ball bearing built for high rigidity in compact machinery. It excels in machine tools, conveyors, automation equipment, and other gear-driven setups where shaft alignment and load handling are critical.

✅ Bore diameter: 90 mm (3.54 in)
✅ Width: 43 mm (1.69 in)
✅ Outer diameter: 190.5 mm (7.50 in)
✅ Basic dynamic load rating: 285 kN
✅ Basic static load rating: 305 kN
✅ Cage: machined metal; inner ring two-piece, outer ring one-piece
✅ Material: bearing steel; coating: none
✅ Contact angle: 35°; contact type: four-point
✅ Limiting speed: 6300 r/min; lubrication: none
✅ SKF Explorer performance class

Ideal for stiff drives and precision motion systems, this bearing supports shafts subject to radial loads while absorbing axial forces from multiple directions. It’s designed for long service life in demanding industrial environments where reliability matters.

💡 What is a four-point contact bearing typically used for? This handy bearing type is built to support shafts under combined radial and axial loads in compact equipment.
- Useful in conveyors, packaging lines, and machine tools
- Handy for equipment needing rigid shaft guidance
- Helps minimize shaft deflection and wear