Self-aligning ball bearings

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

Calculation

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Dimensions
d 30mm
D 72mm
B 27mm
d141.9mm
D159.8mm
r1,2min.1.1mm
Abutment dimensions
damin.37mm
Damax.65mm
ramax.1.1mm
Calculation data
Basic dynamic load ratingC 31.2kN
Basic static load ratingC0 8.8kN
Fatigue load limitPu 0.45kN
Reference speed  18000r/min
Limiting speed  13000r/min
Permissible angular misalignmentα 3°
Calculation factorkr 0.05 
Calculation factore 0.44 
Calculation factorY0 1.4 
Calculation factorY1 1.4 
Calculation factorY2 2.2 
Mass
Mass bearing  0.5kg

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