KOYO
Rodamientos de rodillos cónicos 31328JR
Bearing KOYO 31328JR, Ø140×300×70 mm. Request a quote — worldwide shipping.
Tipo Rodamientos de rodillos cónicos
Dimensiones
Ø 140 × 300 × 70 mm
d140Ø interior (mm)
×
D300Ø exterior (mm)
×
B70Ancho (mm)
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Especificaciones técnicas
| d | 140 mm |
| D | 300 mm |
| T | 77 mm |
| B | 70 mm |
| C | 47 mm |
| r(min.) | 5 mm |
| r1(min.) | 4 mm |
| Basic load ratings : Cr | 841 kN |
| Basic load ratings : C0r | 865 kN |
| Fatigue load limit : Cu | 99.1 kN |
| Limiting speeds(Grease lub.) | 1100 min-1 |
| Limiting speeds(Oil lub.) | 1500 min-1 |
| Load center spread : a | 93.8 mm |
| Constant e | 0.83 |
| Axial load factors : Y1 | 0.73 |
| Axial load factors : Y0 | 0.40 |
| da(min.) | 162 mm |
| db(max.) | 167 mm |
| Da(max.) | 282 mm |
| Da(min.) | 254 mm |
| Db(min.) | 280 mm |
| Sa(min.) | 8 mm |
| Sb(min.) | 26 mm |
| ra(max.) | 4 mm |
| rb(max.) | 3 mm |
| (Refer.)Mass | 23.3 kg |
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KOYO 31328JR