KOYO
Roulements à rouleaux coniques 30256
Bearing KOYO 30256, Ø280×500×80 mm. Request a quote — worldwide shipping.
Type Roulements à rouleaux coniques
Dimensions
Ø 280 × 500 × 80 mm
d280Ø alésage (mm)
×
D500Ø extérieur (mm)
×
B80Largeur (mm)
Demande de devis
Spécifications techniques
| d | 280 mm |
| D | 500 mm |
| T | 89 mm |
| B | 80 mm |
| C | 67 mm |
| r(min.) | 6 mm |
| r1(min.) | 5 mm |
| Basic load ratings : Cr | 1580 kN |
| Basic load ratings : C0r | 1920 kN |
| Fatigue load limit : Cu | 196 kN |
| Limiting speeds(Grease lub.) | 610 min-1 |
| Limiting speeds(Oil lub.) | 810 min-1 |
| Load center spread : a | 96.2 mm |
| Constant e | 0.42 |
| Axial load factors : Y1 | 1.44 |
| Axial load factors : Y0 | 0.79 |
| da(min.) | 308 mm |
| db(max.) | 325 mm |
| Da(max.) | 478 mm |
| Da(min.) | 440 mm |
| Db(min.) | 475 mm |
| Sa(min.) | 14 mm |
| Sb(min.) | 21 mm |
| ra(max.) | 5 mm |
| rb(max.) | 4 mm |
| (Refer.)Mass | 67.6 kg |
Produits associés
KOYO 30256