KOYO
Tapered roller bearings 30338
Bearing KOYO 30338, Ø190×400×78 mm. Request a quote — worldwide shipping.
Type Tapered roller bearings
Dimensions
Ø 190 × 400 × 78 mm
d190Bore Ø (mm)
×
D400Outer Ø (mm)
×
B78Width (mm)
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Technical specifications
| d | 190 mm |
| D | 400 mm |
| T | 86 mm |
| B | 78 mm |
| C | 65 mm |
| r(min.) | 6 mm |
| r1(min.) | 5 mm |
| Basic load ratings : Cr | 1260 kN |
| Basic load ratings : C0r | 1250 kN |
| Fatigue load limit : Cu | 139 kN |
| Limiting speeds(Grease lub.) | 880 min-1 |
| Limiting speeds(Oil lub.) | 1200 min-1 |
| Load center spread : a | 73.2 mm |
| Constant e | 0.35 |
| Axial load factors : Y1 | 1.73 |
| Axial load factors : Y0 | 0.95 |
| da(min.) | 218 mm |
| db(max.) | 241 mm |
| Da(max.) | 378 mm |
| Da(min.) | 342 mm |
| Db(min.) | 370 mm |
| Sa(min.) | 10 mm |
| Sb(min.) | 20 mm |
| ra(max.) | 5 mm |
| rb(max.) | 4 mm |
| (Refer.)Mass | 46.2 kg |
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KOYO 30338