KOYO
Cylindrical roller bearings NJ420
Bearing KOYO NJ420, Ø100×250×58 mm. Request a quote — worldwide shipping.
Type Cylindrical roller bearings
Dimensions
Ø 100 × 250 × 58 mm
d100Bore Ø (mm)
×
D250Outer Ø (mm)
×
B58Width (mm)
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Technical specifications
| d | 100 mm |
| D | 250 mm |
| B | 58 mm |
| r(min.) | 4 mm |
| r1(min.) | 4 mm |
| Fw | 139 mm |
| Ew | - mm |
| Basic load ratings : Cr | 560 kN |
| Basic load ratings : C0r | 498 kN |
| Fatigue load limit : Cu | 67.3 kN |
| Limiting speeds(Grease lub.) | 2500 min-1 |
| Limiting speeds(Oil lub.) | 3300 min-1 |
| sd1 | - mm |
| B1 | - mm |
| B2 | - mm |
| da(min.) | - mm |
| db(min.) | 116 mm |
| db(max.) | 137 mm |
| dc(min.) | - mm |
| dd(min.) | - mm |
| Da(max.) | 234 mm |
| Db(max.) | - mm |
| Db(min.) | - mm |
| ra(max.) | 3 mm |
| rb(max.) | 3 mm |
| (Refer.)Mass | 14.2 kg |
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KOYO NJ420