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Bearing 31311-DF (NKE)
Tapered roller bearings 31311-DF
Bearing number : 31311-DF
Size (mm) : 55x120x63
Brand : NKE
Bore Diameter (mm) : 55
Outer Diameter (mm) : 120
Width (mm) : 63
Bearing dimensions and specification in NKE catalogue:
d - 55 mm
D - 120 mm
T - 63 mm
B - 29 mm
r3 min. - 2 mm
r4 min. - 2 mm
r5 min. - 0,6 mm
2B - 58 mm
da max - 68 mm
Da min - 94 mm
Da max. - 112 mm
Weight - 3,45 Kg
Basic dynamic load rating (C) - 210 kN
Basic static load rating (C0) - 275 kN
Limiting speed - 5600 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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