Bearing 71938 CD/P4A

Bearing 71938 CD/P4A images Bearing 71938 CD/P4A images
From: Angular Contact Ball Bearings
Angular Contact Ball Bearings Bearing 71938 CD/P4A Related parameters
Name Value
Bearing number 71938 CD/P4A
Size (mm) 190x260x33
Brand MBY
Bore Diameter (mm) 190
Outer Diameter (mm) 260
Width (mm) 33
Bearing dimensions and specification
Name Value
d 190 mm
D 260 mm
B 33 mm
d1 211.6 mm
d2 211.6 mm
D1 238.4 mm
r1,2 min. - 2 mm
r3,4 min. - 1 mm
a 46.8 mm
da min. - 199 mm
db min. - 199 mm
Da max. - 251 mm
Db max. - 255 mm
ra max. - 2 mm
rb max. - 1 mm
dn 217.4 mm
Basic dynamic load rating C - 172 kN
Basic static load rating C0 - 220 kN
Fatigue load limit Pu - 6.2 kN
Limiting speed for grease lubrication 5000 r/min
Limiting speed for oil lubrication 7500 mm/min
Ball Dw - 22.225 mm
Ball z - 28
Gref 57 cm3
Calculation factor f0 - 16.4
Preload class A GA - 640 N
Preload class B GB - 1280 N
Preload class C GC - 2560 N
Preload class D GD - 5120 N
Calculation factor f - 1.27
Calculation factor f1 - 1
Calculation factor f2A - 1
Calculation factor f2B - 1.04
Calculation factor f2C - 1.09
Calculation factor f2D - 1.15
Calculation factor fHC - 1
Preload class A 189 N/micron
Preload class B 260 N/micron
Preload class C 367 N/micron
Preload class D 538 N/micron
Mass bearing 4.35 kg

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