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Cylindrical Roller Bearings 21309E NACHI Exchange Guide

d:40 mm
D:90 mm
T:50.5 mm
2B:46 mm
b:11 mm
K:8 mm
r3,4 min.:1.5 mm
r5 min.:0.6 mm
da max.:51 mm
Da min.:71 mm
Da max.:82.5 mm
Ca min.:3 mm
ra max.:1.5 mm
rc max.:0.6 mm
Basic dynamic load rating C:156 kN
Basic static load rating C0:163 kN
Fatigue load limit Pu:19 kN
Reference speed:4500 r/min
Limiting speed:7500 r/min
Calculation factor e:0.83
Calculation factor Y1:0.81
Calculation factor Y2:1.2
Calculation factor Y0:0.8
Mass bearing pair:1.49 kg

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