SKF 71921CD/HCP4AL bearing

Bearing 71921 CD/HCP4AL Bearing 71921 CD/HCP4AL

SKF 71921CD/HCP4AL bearing, Size: 105x145x20. SKF 71921CD/HCP4AL are used in a wide variety of applications, suitable for high speeds and are robust in operation, and need little maintenance.

Angular contact ball bearings, super-precision 71921 CD/HCP4AL

Bearing number : 71921 CD/HCP4AL

Size (mm) : 105x145x20

Brand : SKF

Bore Diameter (mm) : 105

Outer Diameter (mm) : 145

Width (mm) : 20

Bearing dimensions and specification in SKF catalogue:

d - 105 mm

D - 145 mm

B - 20 mm

d1 - 117.3 mm

d2 - 117.3 mm

D1 - 132.7 mm

b - 2.3 mm

C1 - 10.9 mm

C2 - 3.9 mm

C3 - 3.2 mm

r1,2 - min. - 1.1 mm

r3,4 - min. - 0.6 mm

a - 26.8 mm

da - min. - 111 mm

db - min. - 111 mm

Da - max. - 139 mm

Db - max. - 141 mm

ra - max. - 1 mm

rb - max. - 0.6 mm

dn - 120.6 mm

Basic dynamic load rating - C - 61.8 kN

Basic static load rating - C0 - 69.5 kN

Fatigue load limit - Pu - 2.6 kN

Limiting speed for grease lubrication - 10000 r/min

Limiting speed for oil lubrication - 16000 mm/min

Ball - Dw - 12.7 mm

Ball - z - 27

Gref - 11.1 cm3

Calculation factor - f0 - 16.4

Preload class A - GA - 230 N

Preload class B - GB - 460 N

Preload class C - GC - 920 N

Preload class D - GD - 1840 N

Calculation factor - f - 1.25

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 - 122 N/micron

Preload class B - 168 N/micron

Preload class C - 239 N/micron

Preload class D - 350 N/micron

Mass bearing - 0.699 kg

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Contact Details: ROOM 19/F AiLeiw 532, Basheki.sepwer.Hong Kong

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