KOYO
Tapered roller bearings 31330JR
Bearing KOYO 31330JR, Ø150×320×75 mm. Request a quote — worldwide shipping.
Type Tapered roller bearings
Dimensions
Ø 150 × 320 × 75 mm
d150Bore Ø (mm)
×
D320Outer Ø (mm)
×
B75Width (mm)
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Technical specifications
| d | 150 mm |
| D | 320 mm |
| T | 82 mm |
| B | 75 mm |
| C | 50 mm |
| r(min.) | 5 mm |
| r1(min.) | 4 mm |
| Basic load ratings : Cr | 952 kN |
| Basic load ratings : C0r | 989 kN |
| Fatigue load limit : Cu | 110 kN |
| Limiting speeds(Grease lub.) | 980 min-1 |
| Limiting speeds(Oil lub.) | 1400 min-1 |
| Load center spread : a | 100.1 mm |
| Constant e | 0.83 |
| Axial load factors : Y1 | 0.73 |
| Axial load factors : Y0 | 0.40 |
| da(min.) | 172 mm |
| db(max.) | 179 mm |
| Da(max.) | 302 mm |
| Da(min.) | 272 mm |
| Db(min.) | 301 mm |
| Sa(min.) | 9 mm |
| Sb(min.) | 27 mm |
| ra(max.) | 4 mm |
| rb(max.) | 3 mm |
| (Refer.)Mass | 28.0 kg |
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KOYO 31330JR