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Bearing 30308T72J2/QDBC220 (SKF)
Tapered roller bearings 30308T72J2/QDBC220
Bearing number : 30308T72J2/QDBC220
Size (mm) : 40x90x72
Brand : SKF
Bore Diameter (mm) : 40
Outer Diameter (mm) : 90
Width (mm) : 72
Bearing dimensions and specification in SKF catalogue:
d - 40 mm
D - 90 mm
T - 72 mm
C - 61,5 mm
a - 50 mm
d1 - 62,5 mm
r1 min. - 2 mm
r2 min. - 2 mm
r5 min. - 0,6 mm
Cb min. - 5 mm
db min - 49 mm
Db min. - 82 mm
ra max. - 2 mm
rc max. - 0,6 mm
Weight - 1,9 Kg
Basic dynamic load rating (C) - 147 kN
Basic static load rating (C0) - 190 kN
Fatigue load limit (Pu) - 21,6
Reference speed - 4800 r/min
Limiting speed - 8000 r/min
Calculation factor (e) - 0,35
Calculation factor (Y0) - 1,8
Calculation factor (Y1) - 1,9
Calculation factor (Y2) - 2,9
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