KOYO
Tapered roller bearings 30238JR
Bearing KOYO 30238JR, Ø190×340×55 mm. Request a quote — worldwide shipping.
Type Tapered roller bearings
Dimensions
Ø 190 × 340 × 55 mm
d190Bore Ø (mm)
×
D340Outer Ø (mm)
×
B55Width (mm)
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Technical specifications
| d | 190 mm |
| D | 340 mm |
| T | 60 mm |
| B | 55 mm |
| C | 46 mm |
| r(min.) | 5 mm |
| r1(min.) | 4 mm |
| Basic load ratings : Cr | 912 kN |
| Basic load ratings : C0r | 1030 kN |
| Fatigue load limit : Cu | 118 kN |
| Limiting speeds(Grease lub.) | 1000 min-1 |
| Limiting speeds(Oil lub.) | 1300 min-1 |
| Load center spread : a | 66.4 mm |
| Constant e | 0.44 |
| Axial load factors : Y1 | 1.38 |
| Axial load factors : Y0 | 0.76 |
| da(min.) | 212 mm |
| db(max.) | 225 mm |
| Da(max.) | 322 mm |
| Da(min.) | 298 mm |
| Db(min.) | 318 mm |
| Sa(min.) | 12 mm |
| Sb(min.) | 13 mm |
| ra(max.) | 4 mm |
| rb(max.) | 3 mm |
| (Refer.)Mass | 21.9 kg |
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KOYO 30238JR