KOYO
Tapered roller bearings 2580/20
Bearing KOYO 2580/20, Ø31.75×66.421×25.357 mm. Request a quote — worldwide shipping.
Type Tapered roller bearings
Dimensions
Ø 31,75 × 66,421 × 25,357 mm
d31,75Bore Ø (mm)
×
D66,421Outer Ø (mm)
×
B25,357Width (mm)
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Technical specifications
| d | 31.750 mm |
| D | 66.421 mm |
| T | 25.400 mm |
| B | 25.357 mm |
| C | 20.638 mm |
| r(min.) | 0.8 mm |
| r1(min.) | 3.2 mm |
| Basic load ratings : Cr | 89.2 kN |
| Basic load ratings : C0r | 85.1 kN |
| Fatigue load limit : Cu | 12.7 kN |
| Limiting speeds(Grease lub.) | 6000 min-1 |
| Limiting speeds(Oil lub.) | 8000 min-1 |
| Load center spread : a | 16.0 mm |
| Constant :e | 0.27 |
| Axial load factors : Y1 | 2.19 |
| Axial load factors : Y0 | 1.21 |
| da | 38.5 mm |
| db | 37.5 mm |
| Da | 57.0 mm |
| Db | 62.5 mm |
| ra(max.) | 0.8 mm |
| rb(max.) | 3.2 mm |
| (Refer.)Mass | 0.404 kg |
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KOYO 2580/20