KOYO
Tapered roller bearings 3490/20
Bearing KOYO 3490/20, Ø38.1×79.375×29.771 mm. Request a quote — worldwide shipping.
Type Tapered roller bearings
Dimensions
Ø 38,1 × 79,375 × 29,771 mm
d38,1Bore Ø (mm)
×
D79,375Outer Ø (mm)
×
B29,771Width (mm)
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Technical specifications
| d | 38.100 mm |
| D | 79.375 mm |
| T | 29.370 mm |
| B | 29.771 mm |
| C | 23.812 mm |
| r(min.) | 3.6 mm |
| r1(min.) | 3.2 mm |
| Basic load ratings : Cr | 109 kN |
| Basic load ratings : C0r | 105 kN |
| Fatigue load limit : Cu | 15.7 kN |
| Limiting speeds(Grease lub.) | 5200 min-1 |
| Limiting speeds(Oil lub.) | 6900 min-1 |
| Load center spread : a | 20.8 mm |
| Constant :e | 0.37 |
| Axial load factors : Y1 | 1.64 |
| Axial load factors : Y0 | 0.90 |
| da | 52.0 mm |
| db | 45.9 mm |
| Da | 67.0 mm |
| Db | 74.0 mm |
| ra(max.) | 3.6 mm |
| rb(max.) | 3.2 mm |
| (Refer.)Mass | 0.675 kg |
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KOYO 3490/20