SKF QJ 328 N2MA Four Point Contact Ball Bearing 140 Millimeter Bore With 35 Degree Contact Angle Machined Metal Cage Bearing Steel 500 kN Dynamic Load Rating And 695 kN Static Load Rating Locating Slot Without Coating

1x SKF QJ 328 N2MA Four-Point Ball Bearing, 140mm Bore
✔️ SKF QJ 328 N2MA, 140 mm bore, 35° contact, 500 kN dyn, 695 kN static

This SKF QJ 328 N2MA is a Four-Point Contact Ball Bearing featuring a machined metal cage and locating slot, built for high radial and axial load performance in compact equipment. It’s commonly found in precision machinery, conveyors, and automation setups where accurate shaft alignment matters.

✅ Axial Internal Clearance: CN
✅ Basic Dynamic Load Rating: 500 kN
✅ Basic Static Load Rating: 695 kN
✅ Bearing Material: Bearing steel
✅ Bearing Outer Ring Locating Feature: Locating slot
✅ Bore Diameter: 140 mm (5.51 in)
✅ Cage: Machined metal
✅ Coating: Without
✅ Contact Angle: 35°
✅ Contact Type: Four-point contact
✅ Limiting Speed: 3800 r/min
✅ Lubricant: None
✅ Matched Arrangement: No
✅ Number of Rows: 1
✅ O.D.: 299.7 mm (11 4/5 in)
✅ Pack Height: 68 mm (2.68 in)
✅ Pack Length: 325 mm (12.80 in)
✅ Pack Width: 325 mm (12.80 in)
✅ Relubrication Feature: Without
✅ Ring Type: Two-piece inner ring and one-piece outer ring
✅ Sealing: Without
✅ SKF Performance Class: SKF Explorer
✅ Universal Matching Bearing: No
✅ Width: 62 mm (2.44 in)

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

These bearings handle combined radial and axial loads in compact setups.

- Used in precision machines where shaft alignment and load capacity matter
- Handy for compact conveyors, automation gear, and machine tools
- Maintains preload and stiffness with a simple locating feature