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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1307 ETN9

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Dimensions
d 35mm
D 80mm
B 21mm
d151.55mm
D167.5mm
r1,2min.1.5mm
Abutment dimensions
damin.44mm
Damax.71mm
ramax.1.5mm
Calculation data
Basic dynamic load ratingC 26.5kN
Basic static load ratingC0 8.5kN
Fatigue load limitPu 0.43kN
Reference speed  16000r/min
Limiting speed  11000r/min
Permissible angular misalignmentα 3°
Calculation factorkr 0.04 
Calculation factore 0.25 
Calculation factorY0 2.5 
Calculation factorY1 2.5 
Calculation factorY2 3.9 
Mass
Mass bearing  0.51kg
Designation bearing  1307 ETN9

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