KOYO
Tapered roller bearings 3578R/20
Bearing KOYO 3578R/20, Ø44.45×84.138×30.886 mm. Request a quote — worldwide shipping.
Type Tapered roller bearings
Dimensions
Ø 44,45 × 84,138 × 30,886 mm
d44,45Bore Ø (mm)
×
D84,138Outer Ø (mm)
×
B30,886Width (mm)
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Technical specifications
| d | 44.450 mm |
| D | 84.138 mm |
| T | 30.162 mm |
| B | 30.886 mm |
| C | 23.812 mm |
| r(min.) | 3.6 mm |
| r1(min.) | 3.2 mm |
| Basic load ratings : Cr | 120 kN |
| Basic load ratings : C0r | 120 kN |
| Fatigue load limit : Cu | 18.2 kN |
| Limiting speeds(Grease lub.) | 4600 min-1 |
| Limiting speeds(Oil lub.) | 6200 min-1 |
| Load center spread : a | 20.5 mm |
| Constant :e | 0.31 |
| Axial load factors : Y1 | 1.96 |
| Axial load factors : Y0 | 1.08 |
| da | 57.0 mm |
| db | 51.0 mm |
| Da | 74.0 mm |
| Db | 79.5 mm |
| ra(max.) | 3.6 mm |
| rb(max.) | 3.2 mm |
| (Refer.)Mass | 0.7 kg |
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KOYO 3578R/20