Bearing 30308T72J2/QDBC220

Bearing 30308T72J2/QDBC220 images
From: Tapered Roller Bearings
Tapered Roller Bearings Bearing 30308T72J2/QDBC220 Related parameters
Name Value
Bearing number 30308T72J2/QDBC220
Size (mm) 40x90x72
Brand MBY
Bore Diameter (mm) 40
Outer Diameter (mm) 90
Width (mm) 72
Bearing dimensions and specification
Name Value
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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