Bearing QJ 1252 MA

Bearing QJ 1252 MA images Bearing QJ 1252 MA images
From: Angular Contact Ball Bearings
Angular Contact Ball Bearings Bearing QJ 1252 MA Related parameters
Name Value
Bearing number QJ 1252 MA
Size (mm) 260x480x90
Brand MBY
Bore Diameter (mm) 260
Outer Diameter (mm) 480
Width (mm) 90
Bearing dimensions and specification
Name Value
d 260 mm
D 480 mm
B 90 mm
d1 - 345 mm
D1 - 395 mm
a 370 mm
r1,2 min. - 5 mm
da min. - 282 mm
Da max. - 458 mm
ra max. - 4 mm
Basic dynamic load rating C - 741 kN
Basic static load rating C0 - 1460 kN
Fatigue load limit Pu - 32 kN
Reference speed 1300 r/min
Limiting speed 2200 r/min
Calculation factor ka - 0.9
Calculation factor e - 1.34
Calculation factor X - 0.54
Calculation factor Y0 - 0.44
Calculation factor Y1 - 0.47
Calculation factor Y2 - 0.81
Mass bearing 78.5 kg

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