MinebeaMitsumi (NMB)
BearingNKIA 5904
Combined needle roller / angular contact ball bearing for axial loads in one direction

Specifications
| Bore (d) | 20.000 mm |
| Outer Diameter (D) | 37.000 mm |
| Width (B) | 23.000 mm |
| Seal Type | Open |
| Bearing Type | Angular Contact |
| Dynamic Load (C) | — |
| Static Load (C₀) | — |
| Speed — Grease | 15,000 RPM |
| Speed — Oil | 17,000 RPM |
| Temperature Range | -30°C to 120°C |
| Rows | 1 |
| Clearance | CN/Normal |
NMB equivalent
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