MinebeaMitsumi (NMB)
BearingQJ 228 N2MA
Four-point contact ball bearing with locating slots

Specifications
| Bore (d) | 140.000 mm |
| Outer Diameter (D) | 250.000 mm |
| Width (B) | 42.000 mm |
| Seal Type | Open |
| Bearing Type | Angular Contact |
| Dynamic Load (C) | 345.000 kN |
| Static Load (C₀) | 475.000 kN |
| Speed — Grease | 3,571 RPM |
| Speed — Oil | 4,300 RPM |
| Temperature Range | -30°C to 120°C |
| Rows | 1 |
| Clearance | CN/Normal |
NMB equivalent
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