KOYO
Cylindrical roller bearings NNU4956
Bearing KOYO NNU4956, Ø280×380×100 mm. Request a quote — worldwide shipping.
Type Cylindrical roller bearings
Dimensions
Ø 280 × 380 × 100 mm
d280Bore Ø (mm)
×
D380Outer Ø (mm)
×
B100Width (mm)
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Technical specifications
| d | 280 mm |
| D | 380 mm |
| B | 100 mm |
| r(min.) | 2.1 mm |
| Fw | 308 mm |
| Ew | - mm |
| Basic load ratings : Cr | 1220 kN |
| Basic load ratings : C0r | 2200 kN |
| Fatigue load limit : Cu | 239 kN |
| Limiting speeds(Grease lub.) | 1300 min-1 |
| Limiting speeds(Oil lub.) | 1500 min-1 |
| da(min.) | 291 mm |
| da(max.) | 305 mm |
| db(min.) | 316 mm |
| Da(max.) | 369 mm |
| Da(min.) | - mm |
| ra(max.) | 2 mm |
| (Refer.)Mass | 33.1 kg |
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KOYO NNU4956