KOYO
Tapered roller bearings 30340D
Bearing KOYO 30340D, 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 | 56 mm |
| r(min.) | 6 mm |
| r1(min.) | 5 mm |
| Basic load ratings : Cr | 1130 kN |
| Basic load ratings : C0r | 1230 kN |
| Fatigue load limit : Cu | 132 kN |
| Limiting speeds(Grease lub.) | 690 min-1 |
| Limiting speeds(Oil lub.) | 970 min-1 |
| Load center spread : a | 122.6 mm |
| Constant e | 0.81 |
| Axial load factors : Y1 | 0.74 |
| Axial load factors : Y0 | 0.41 |
| da(min.) | 228 mm |
| db(max.) | 248 mm |
| Da(max.) | 398 mm |
| Da(min.) | 365 mm |
| Db(min.) | 385 mm |
| Sa(min.) | 11 mm |
| Sb(min.) | 33 mm |
| ra(max.) | 5 mm |
| rb(max.) | 4 mm |
| (Refer.)Mass | 50.6 kg |
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KOYO 30340D