Bearing 71948 CD/HCP4AL

Bearing 71948 CD/HCP4AL images Bearing 71948 CD/HCP4AL images
From: Angular Contact Ball Bearings
Angular Contact Ball Bearings Bearing 71948 CD/HCP4AL Related parameters
Name Value
Bearing number 71948 CD/HCP4AL
Size (mm) 240x320x38
Brand MBY
Bore Diameter (mm) 240
Outer Diameter (mm) 320
Width (mm) 38
Bearing dimensions and specification
Name Value
d 240 mm
D 320 mm
B 38 mm
d1 264.7 mm
d2 264.7 mm
D1 295.3 mm
b 3.5 mm
C1 20.9 mm
C2 7.1 mm
C3 5.45 mm
r1,2 min. - 2.1 mm
r3,4 min. - 1 mm
a 56.6 mm
da min. - 251 mm
db min. - 251 mm
Da max. - 309 mm
Db max. - 315 mm
ra max. - 2 mm
rb max. - 1 mm
dn 271.4 mm
Basic dynamic load rating C - 229 kN
Basic static load rating C0 - 325 kN
Fatigue load limit Pu - 8.2 kN
Limiting speed for grease lubrication 4800 r/min
Limiting speed for oil lubrication 6700 mm/min
Ball Dw - 25.4 mm
Ball z - 31
Gref 93 cm3
Calculation factor f0 - 16.7
Preload class A GA - 860 N
Preload class B GB - 1720 N
Preload class C GC - 3440 N
Preload class D GD - 6880 N
Calculation factor f - 1.32
Calculation factor f1 - 1
Calculation factor f2A - 1
Calculation factor f2B - 1.07
Calculation factor f2C - 1.12
Calculation factor f2D - 1.18
Calculation factor fHC - 1.04
Preload class A 263 N/micron
Preload class B 361 N/micron
Preload class C 512 N/micron
Preload class D 752 N/micron
Mass bearing 5.983 kg

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