KOYO
Tapered roller bearings 30252
Bearing KOYO 30252, Ø260×480×80 mm. Request a quote — worldwide shipping.
Type Tapered roller bearings
Dimensions
Ø 260 × 480 × 80 mm
d260Bore Ø (mm)
×
D480Outer Ø (mm)
×
B80Width (mm)
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Technical specifications
| d | 260 mm |
| D | 480 mm |
| T | 89 mm |
| B | 80 mm |
| C | 67 mm |
| r(min.) | 6 mm |
| r1(min.) | 5 mm |
| Basic load ratings : Cr | 1510 kN |
| Basic load ratings : C0r | 1860 kN |
| Fatigue load limit : Cu | 190 kN |
| Limiting speeds(Grease lub.) | 650 min-1 |
| Limiting speeds(Oil lub.) | 870 min-1 |
| Load center spread : a | 93.6 mm |
| Constant e | 0.42 |
| Axial load factors : Y1 | 1.44 |
| Axial load factors : Y0 | 0.79 |
| da(min.) | 288 mm |
| db(max.) | 310 mm |
| Da(max.) | 458 mm |
| Da(min.) | 415 mm |
| Db(min.) | 450 mm |
| Sa(min.) | 14 mm |
| Sb(min.) | 21 mm |
| ra(max.) | 5 mm |
| rb(max.) | 4 mm |
| (Refer.)Mass | 64.9 kg |
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KOYO 30252