NTN 6921C2 Ball Bearings -

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NTN 6921C2 Ball Bearings image

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Bearing number:D/W R156 R
Size (mm):4.762x7.938x9.119
Bore Diameter (mm):4,762
Outer Diameter (mm):7,938
Width (mm):9,119
d:4,762 mm
D:7,938 mm
B:9,119 mm
C:0,584 mm
D3:9.119 mm
Weight:0,0005 Kg
Basic dynamic load rating (C):0,203 kN
Basic static load rating (C0):0,075 kN
Fatigue load limit (Pu):0,003
Reference speed:140 000 r/min
d1 ≈:5.53 mm
D1 ≈:7 mm
r1,2 min.:0.1 mm
da min.:5.4 mm
ra max.:0.1 mm
Basic dynamic load rating C:0.203 kN
Basic static load rating C0:0.075 kN
Fatigue load limit Pu:0.003 kN
Limiting speed:90000 r/min
Calculation factor kr:0.015
Calculation factor f0:7.6
Mass bearing:0.0005 kg

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