KOYO
Tapered roller bearings 30234JR
Bearing KOYO 30234JR, Ø170×310×52 mm. Request a quote — worldwide shipping.
Type Tapered roller bearings
Dimensions
Ø 170 × 310 × 52 mm
d170Bore Ø (mm)
×
D310Outer Ø (mm)
×
B52Width (mm)
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Technical specifications
| d | 170 mm |
| D | 310 mm |
| T | 57 mm |
| B | 52 mm |
| C | 43 mm |
| r(min.) | 5 mm |
| r1(min.) | 4 mm |
| Basic load ratings : Cr | 776 kN |
| Basic load ratings : C0r | 867 kN |
| Fatigue load limit : Cu | 103 kN |
| Limiting speeds(Grease lub.) | 1100 min-1 |
| Limiting speeds(Oil lub.) | 1500 min-1 |
| Load center spread : a | 61.2 mm |
| Constant e | 0.44 |
| Axial load factors : Y1 | 1.38 |
| Axial load factors : Y0 | 0.76 |
| da(min.) | 192 mm |
| db(max.) | 202 mm |
| Da(max.) | 292 mm |
| Da(min.) | 269 mm |
| Db(min.) | 288 mm |
| Sa(min.) | 8 mm |
| Sb(min.) | 14 mm |
| ra(max.) | 4 mm |
| rb(max.) | 3 mm |
| (Refer.)Mass | 17.8 kg |
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KOYO 30234JR