KOYO
Tapered roller bearings 30244JR
Bearing KOYO 30244JR, Ø220×400×65 mm. Request a quote — worldwide shipping.
Type Tapered roller bearings
Dimensions
Ø 220 × 400 × 65 mm
d220Bore Ø (mm)
×
D400Outer Ø (mm)
×
B65Width (mm)
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Technical specifications
| d | 220 mm |
| D | 400 mm |
| T | 72 mm |
| B | 65 mm |
| C | 54 mm |
| r(min.) | 5 mm |
| r1(min.) | 4 mm |
| Basic load ratings : Cr | 1260 kN |
| Basic load ratings : C0r | 1440 kN |
| Fatigue load limit : Cu | 160 kN |
| Limiting speeds(Grease lub.) | 830 min-1 |
| Limiting speeds(Oil lub.) | 1100 min-1 |
| Load center spread : a | 76.5 mm |
| Constant e | 0.44 |
| Axial load factors : Y1 | 1.43 |
| Axial load factors : Y0 | 0.79 |
| da(min.) | 242 mm |
| db(max.) | 263 mm |
| Da(max.) | 382 mm |
| Da(min.) | 344 mm |
| Db(min.) | 371 mm |
| Sa(min.) | 14 mm |
| Sb(min.) | 17 mm |
| ra(max.) | 4 mm |
| rb(max.) | 3 mm |
| (Refer.)Mass | 35.9 kg |
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KOYO 30244JR