KOYO
Tapered roller bearings 557S/552A
Bearing KOYO 557S/552A, Ø53.975×123.825×36.678 mm. Request a quote — worldwide shipping.
Type Tapered roller bearings
Dimensions
Ø 53,975 × 123,825 × 36,678 mm
d53,975Bore Ø (mm)
×
D123,825Outer Ø (mm)
×
B36,678Width (mm)
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Technical specifications
| d | 53.975 mm |
| D | 123.825 mm |
| T | 38.100 mm |
| B | 36.678 mm |
| C | 30.162 mm |
| r(min.) | 3.6 mm |
| r1(min.) | 3.2 mm |
| Basic load ratings : Cr | 202 kN |
| Basic load ratings : C0r | 223 kN |
| Fatigue load limit : Cu | 34.8 kN |
| Limiting speeds(Grease lub.) | 3200 min-1 |
| Limiting speeds(Oil lub.) | 4200 min-1 |
| Load center spread : a | 28.7 mm |
| Constant :e | 0.35 |
| Axial load factors : Y1 | 1.73 |
| Axial load factors : Y0 | 0.95 |
| da | 71.0 mm |
| db | 65.0 mm |
| Da | 109.0 mm |
| Db | 116.0 mm |
| ra(max.) | 3.6 mm |
| rb(max.) | 3.2 mm |
| (Refer.)Mass | 2.226 kg |
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KOYO 557S/552A