KOYO
Deep groove ball bearings 6988
Bearing KOYO 6988, Ø440×600×74 mm. Request a quote — worldwide shipping.
Type Deep groove ball bearings
Dimensions
Ø 440 × 600 × 74 mm
d440Bore Ø (mm)
×
D600Outer Ø (mm)
×
B74Width (mm)
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Technical specifications
| d | 440 mm |
| D | 600 mm |
| B | 74 mm |
| r(min.) | 4 mm |
| Basic load ratings : Cr | 529 kN |
| Basic load ratings : C0r | 676 kN |
| Fatigue load limit : Cu | 21.4 kN |
| factor : f0 | 16.4 |
| Limiting speeds(Grease lub.) | 740 min-1 |
| Limiting speeds(Oil lub.) | 870 min-1 |
| da(min.) | 456 mm |
| Da(max.) | 584 mm |
| ra(max.) | 3 mm |
| (Refer.)Mass | 61.3 kg |
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KOYO 6988