KOYO
Tapered roller bearings A4050/138
Bearing KOYO A4050/138, Ø12.7×34.988×10.988 mm. Request a quote — worldwide shipping.
Type Tapered roller bearings
Dimensions
Ø 12,7 × 34,988 × 10,988 mm
d12,7Bore Ø (mm)
×
D34,988Outer Ø (mm)
×
B10,988Width (mm)
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Technical specifications
| d | 12.700 mm |
| D | 34.988 mm |
| T | 10.998 mm |
| B | 10.988 mm |
| C | 8.730 mm |
| r(min.) | 1.2 mm |
| r1(min.) | 1.2 mm |
| Basic load ratings : Cr | 15.7 kN |
| Basic load ratings : C0r | 11.9 kN |
| Fatigue load limit : Cu | 1.55 kN |
| Limiting speeds(Grease lub.) | 12000 min-1 |
| Limiting speeds(Oil lub.) | 17000 min-1 |
| Load center spread : a | 8.3 mm |
| Constant :e | 0.45 |
| Axial load factors : Y1 | 1.33 |
| Axial load factors : Y0 | 0.73 |
| da | 18.5 mm |
| db | 17.0 mm |
| Da | 29.0 mm |
| Db | 32.0 mm |
| ra(max.) | 1.2 mm |
| rb(max.) | 1.2 mm |
| (Refer.)Mass | 0.055 kg |
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KOYO A4050/138