KOYO
Cylindrical roller bearings NNU4992
Bearing KOYO NNU4992, Ø460×620×160 mm. Request a quote — worldwide shipping.
Type Cylindrical roller bearings
Dimensions
Ø 460 × 620 × 160 mm
d460Bore Ø (mm)
×
D620Outer Ø (mm)
×
B160Width (mm)
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Technical specifications
| d | 460 mm |
| D | 620 mm |
| B | 160 mm |
| r(min.) | 4 mm |
| Fw | 502 mm |
| Ew | - mm |
| Basic load ratings : Cr | 2250 kN |
| Basic load ratings : C0r | 5440 kN |
| Fatigue load limit : Cu | 516 kN |
| Limiting speeds(Grease lub.) | 630 min-1 |
| Limiting speeds(Oil lub.) | 760 min-1 |
| da(min.) | 476 mm |
| da(max.) | 498 mm |
| db(min.) | 507 mm |
| Da(max.) | 604 mm |
| Da(min.) | - mm |
| ra(max.) | 3 mm |
| (Refer.)Mass | 136 kg |
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KOYO NNU4992