KOYO
Tapered roller bearings 778/772
Bearing KOYO 778/772, Ø92.075×180.975×48.006 mm. Request a quote — worldwide shipping.
Type Tapered roller bearings
Dimensions
Ø 92,075 × 180,975 × 48,006 mm
d92,075Bore Ø (mm)
×
D180,975Outer Ø (mm)
×
B48,006Width (mm)
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Technical specifications
| d | 92.075 mm |
| D | 180.975 mm |
| T | 47.625 mm |
| B | 48.006 mm |
| C | 38.100 mm |
| r(min.) | 3.6 mm |
| r1(min.) | 3.2 mm |
| Basic load ratings : Cr | 362 kN |
| Basic load ratings : C0r | 438 kN |
| Fatigue load limit : Cu | 56.6 kN |
| Limiting speeds(Grease lub.) | 2100 min-1 |
| Limiting speeds(Oil lub.) | 2800 min-1 |
| Load center spread : a | 39.5 mm |
| Constant :e | 0.39 |
| Axial load factors : Y1 | 1.56 |
| Axial load factors : Y0 | 0.86 |
| da | 111.0 mm |
| db | 105.0 mm |
| Da | 161.0 mm |
| Db | 168.0 mm |
| ra(max.) | 3.6 mm |
| rb(max.) | 3.2 mm |
| (Refer.)Mass | 5.57 kg |
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KOYO 778/772