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Bearing 31313-DF (NKE)
Tapered roller bearings 31313-DF
Bearing number : 31313-DF
Size (mm) : 65x140x72
Brand : NKE
Bore Diameter (mm) : 65
Outer Diameter (mm) : 140
Width (mm) : 72
Bearing dimensions and specification in NKE catalogue:
d - 65 mm
D - 140 mm
T - 72 mm
B - 33 mm
r3 min. - 2,5 mm
r4 min. - 2,5 mm
r5 min. - 0,6 mm
2B - 66 mm
da max - 80 mm
Da min - 111 mm
Da max. - 128 mm
Weight - 5,6 Kg
Basic dynamic load rating (C) - 281 kN
Basic static load rating (C0) - 378 kN
Limiting speed - 4800 r/min
Calculation factor (e) - 0,83
Calculation factor (Y0) - 0,4
Calculation factor (Y1) - 0,72
Calculation factor (Y2) - 1,21
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