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NSK RNA4901TT needle roller bearingsTechnology

Coefficient of friction µ max.: 0.15 D: 55 mm a: 3 mm
Mass bushing: 0.31 kg Specific static load factor K0: 45 N/mm² Coefficient of friction µ min.: 0.08
Tolerance housing: H7 Specific dynamic load factor K: 25 N/mm² Permissible sliding velocity v max.: 0.5 m/s
B: 45 mm

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