KOYO
Tapered roller bearings 32009JR
Bearing KOYO 32009JR, Ø45×75×20 mm. Request a quote — worldwide shipping.
Type Tapered roller bearings
Dimensions
Ø 45 × 75 × 20 mm
d45Bore Ø (mm)
×
D75Outer Ø (mm)
×
B20Width (mm)
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Technical specifications
| d | 45 mm |
| D | 75 mm |
| T | 20 mm |
| B | 20 mm |
| C | 15.5 mm |
| r(min.) | 1 mm |
| r1(min.) | 1 mm |
| Basic load ratings : Cr | 78.8 kN |
| Basic load ratings : C0r | 86.5 kN |
| Fatigue load limit : Cu | 12.6 kN |
| Limiting speeds(Grease lub.) | 5000 min-1 |
| Limiting speeds(Oil lub.) | 6600 min-1 |
| Load center spread : a | 16.5 mm |
| Constant e | 0.39 |
| Axial load factors : Y1 | 1.53 |
| Axial load factors : Y0 | 0.84 |
| da(min.) | 50.5 mm |
| db(max.) | 51 mm |
| Da(max.) | 69.5 mm |
| Da(min.) | 67 mm |
| Db(min.) | 72 mm |
| Sa(min.) | 4 mm |
| Sb(min.) | 4.5 mm |
| ra(max.) | 1 mm |
| rb(max.) | 1 mm |
| (Refer.)Mass | 0.354 kg |
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KOYO 32009JR