KOYO
Cylindrical roller bearings NF421
Bearing KOYO NF421, Ø105×260×60 mm. Request a quote — worldwide shipping.
Type Cylindrical roller bearings
Dimensions
Ø 105 × 260 × 60 mm
d105Bore Ø (mm)
×
D260Outer Ø (mm)
×
B60Width (mm)
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Technical specifications
| d | 105 mm |
| D | 260 mm |
| B | 60 mm |
| r(min.) | 4 mm |
| r1(min.) | 4 mm |
| Fw | - mm |
| Ew | 220.5 mm |
| Basic load ratings : Cr | 581 kN |
| Basic load ratings : C0r | 510 kN |
| Fatigue load limit : Cu | 67.6 kN |
| Limiting speeds(Grease lub.) | 2400 min-1 |
| Limiting speeds(Oil lub.) | 3100 min-1 |
| sd1 | - mm |
| B1 | - mm |
| B2 | - mm |
| da(min.) | 121 mm |
| db(min.) | - mm |
| db(max.) | - mm |
| dc(min.) | - mm |
| dd(min.) | - mm |
| Da(max.) | - mm |
| Db(max.) | 244 mm |
| Db(min.) | 223 mm |
| ra(max.) | 3 mm |
| rb(max.) | 3 mm |
| (Refer.)Mass | 19.3 kg |
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KOYO NF421