KOYO
Tapered roller bearings 30340
Bearing KOYO 30340, Ø200×420×80 mm. Request a quote — worldwide shipping.
Type Tapered roller bearings
Dimensions
Ø 200 × 420 × 80 mm
d200Bore Ø (mm)
×
D420Outer Ø (mm)
×
B80Width (mm)
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Technical specifications
| d | 200 mm |
| D | 420 mm |
| T | 89 mm |
| B | 80 mm |
| C | 67 mm |
| r(min.) | 6 mm |
| r1(min.) | 5 mm |
| Basic load ratings : Cr | 1400 kN |
| Basic load ratings : C0r | 1450 kN |
| Fatigue load limit : Cu | 159 kN |
| Limiting speeds(Grease lub.) | 820 min-1 |
| Limiting speeds(Oil lub.) | 1100 min-1 |
| Load center spread : a | 79.8 mm |
| Constant e | 0.35 |
| Axial load factors : Y1 | 1.73 |
| Axial load factors : Y0 | 0.95 |
| da(min.) | 228 mm |
| db(max.) | 255 mm |
| Da(max.) | 398 mm |
| Da(min.) | 354 mm |
| Db(min.) | 385 mm |
| Sa(min.) | 11 mm |
| Sb(min.) | 21 mm |
| ra(max.) | 5 mm |
| rb(max.) | 4 mm |
| (Refer.)Mass | 53.5 kg |
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KOYO 30340