KOYO
Tapered roller bearings 30304AC
Bearing KOYO 30304AC, Ø20×52×16 mm. Request a quote — worldwide shipping.
Type Tapered roller bearings
Dimensions
Ø 20 × 52 × 16 mm
d20Bore Ø (mm)
×
D52Outer Ø (mm)
×
B16Width (mm)
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Technical specifications
| d | 20 mm |
| D | 52 mm |
| T | 16.25 mm |
| B | 16 mm |
| C | 12 mm |
| r(min.) | 1.5 mm |
| r1(min.) | 1.5 mm |
| Basic load ratings : Cr | 43.3 kN |
| Basic load ratings : C0r | 28.4 kN |
| Fatigue load limit : Cu | 4.65 kN |
| Limiting speeds(Grease lub.) | 8300 min-1 |
| Limiting speeds(Oil lub.) | 11000 min-1 |
| Load center spread : a | 13.5 mm |
| Constant e | 0.55 |
| Axial load factors : Y1 | 1.10 |
| Axial load factors : Y0 | 0.60 |
| da(min.) | 28.5 mm |
| db(max.) | 28 mm |
| Da(max.) | 43.5 mm |
| Da(min.) | 42 mm |
| Db(min.) | 49 mm |
| Sa(min.) | 4 mm |
| Sb(min.) | 4 mm |
| ra(max.) | 1.5 mm |
| rb(max.) | 1.5 mm |
| (Refer.)Mass | 0.170 kg |
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KOYO 30304AC