- Rolling mill roll neck bearings
- Four-row tapered roller bearings
Bearing No. LM769349D/310/310D
Specification data (main dimensions, etc.)
| d(mm) | 431.800 |
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| D(mm) | 571.500 |
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| T(mm) | 336.550 |
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| W(mm) | 336.550 |
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| r(min.)(mm) | 6.4 |
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| r1(min.)(mm) | 1.6 |
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| Basic load ratings : Cr(kN) | 4610 |
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| Basic load ratings : C0r(kN) | 11300 |
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| Fatigue load limit : Cu(kN) | 1040 |
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| Axial load factors : Y2(mm) | 1.41 |
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| Axial load factors : Y3 | 2.10 |
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| Axial load factors : Y0 | 1.38 |
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| Constant e | 0.48 |
Mounting dimensions,weight (reference)
| da(min.)(mm) | 463 mm |
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| Da(max.)(mm) | 549 mm |
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| Da(max.)(mm) | 534 mm |
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| S(min.)(mm) | 7 mm |
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| ra(max.)(mm) | 6.4 mm |
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| rb(max.)(mm) | 1.6 mm |
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| Axial load factors : Y2(mm) | 1.41 mm |
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| Axial load factors : Y3 | 2.10 |
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| Axial load factors : Y0 | 1.38 |
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| Constant e | 0.48 |
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| Mass(Refer.)(kg) | 231 kg |