Bearings
NNTR55X140X70-2ZL INA Yoke type track roller

TYPE: Roller bearings, Yoke type track rollers, With axial guidance, Full complement roller set, central rib, sealing shields with lamellar ring on both sides

Metric Imperial Dimensions, mmin d 55,000 2,245 D 140,000 5,714 B 70,000 2,857 B1 68,000 2,776 Weight, kg 6.4 Manufacturer: INA Designation system - INA Interchange: ABC NNTR 55X140X70 2ZL SKF NNTR 55x140x70.2ZL

Calculation data

Basic dynamic load rating, C	226,000 kN 50807,060 lbf
Basic static load rating, Co	315,000 kN 70815,150 lbf
Fatigue load limit, Pu	44,500 kN 10004,045 lbf
Limiting speed	850 r/min 850 r/min

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