KOYO
Tapered roller bearings 42688/20
Bearing KOYO 42688/20, Ø76.2×127×31 mm. Request a quote — worldwide shipping.
Type Tapered roller bearings
Dimensions
Ø 76,2 × 127 × 31 mm
d76,2Bore Ø (mm)
×
D127Outer Ø (mm)
×
B31Width (mm)
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Technical specifications
| d | 76.200 mm |
| D | 127.000 mm |
| T | 30.162 mm |
| B | 31.000 mm |
| C | 22.225 mm |
| r(min.) | 6.4 mm |
| r1(min.) | 3.2 mm |
| Basic load ratings : Cr | 179 kN |
| Basic load ratings : C0r | 225 kN |
| Fatigue load limit : Cu | 32.3 kN |
| Limiting speeds(Grease lub.) | 2400 min-1 |
| Limiting speeds(Oil lub.) | 3200 min-1 |
| Load center spread : a | 27.1 mm |
| Constant :e | 0.42 |
| Axial load factors : Y1 | 1.43 |
| Axial load factors : Y0 | 0.79 |
| da | 96.0 mm |
| db | 84.0 mm |
| Da | 114.0 mm |
| Db | 121.0 mm |
| ra(max.) | 6.4 mm |
| rb(max.) | 3.2 mm |
| (Refer.)Mass | 1.474 kg |
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KOYO 42688/20