Self-aligning ball bearings

Tolerances: Normal, JS7
Radial internal clearance: table
Fits for standard conditions
Tolerances and resultant fits

Calculation

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1203 ETN9

Dimensions
d 17mm
D 40mm
B 12mm
d124mm
D132.9mm
r1,2min.0.6mm
Abutment dimensions
damin.21.2mm
Damax.35.8mm
ramax.0.6mm
Calculation data
Basic dynamic load ratingC 8.84kN
Basic static load ratingC0 2.2kN
Fatigue load limitPu 0.12kN
Reference speed  38000r/min
Limiting speed  24000r/min
Permissible angular misalignmentα 2.5°
Calculation factorkr 0.04 
Calculation factore 0.31 
Calculation factorY0 2.2 
Calculation factorY1 2 
Calculation factorY2 3.1 
Mass
Mass bearing  0.073kg

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