KOYO
Rodamientos de rodillos cónicos 303/28R
Bearing KOYO 303/28R, Ø28×68×18 mm. Request a quote — worldwide shipping.
Tipo Rodamientos de rodillos cónicos
Dimensiones
Ø 28 × 68 × 18 mm
d28Ø interior (mm)
×
D68Ø exterior (mm)
×
B18Ancho (mm)
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Especificaciones técnicas
| d | 28 mm |
| D | 68 mm |
| T | 19.75 mm |
| B | 18 mm |
| C | 16 mm |
| r(min.) | 1.5 mm |
| r1(min.) | 1.5 mm |
| Basic load ratings : Cr | 66.9 kN |
| Basic load ratings : C0r | 54.0 kN |
| Fatigue load limit : Cu | 8.00 kN |
| Limiting speeds(Grease lub.) | 6100 min-1 |
| Limiting speeds(Oil lub.) | 8200 min-1 |
| Load center spread : a | 14.9 mm |
| Constant e | 0.32 |
| Axial load factors : Y1 | 1.88 |
| Axial load factors : Y0 | 1.04 |
| da(min.) | 36.5 mm |
| db(max.) | 38 mm |
| Da(max.) | 59.5 mm |
| Da(min.) | 58 mm |
| Db(min.) | 63 mm |
| Sa(min.) | 2 mm |
| Sb(min.) | 3.5 mm |
| ra(max.) | 1.5 mm |
| rb(max.) | 1.5 mm |
| (Refer.)Mass | 0.345 kg |
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KOYO 303/28R