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SKF 71920ACB/HCP4A bearing Details:

Model: 71920ACB/HCP4A Brand: SKF Bearing status: Original
Delivery time: 5-7 Days Inventory: Enough
Bearing 71920 ACB/HCP4A Bearing 71920 ACB/HCP4A

Angular contact ball bearings, super-precision 71920 ACB/HCP4A

Bearing number : 71920 ACB/HCP4A

Size (mm) : 100x140x20

Brand : SKF

Bore Diameter (mm) : 100

Outer Diameter (mm) : 140

Width (mm) : 20

Bearing dimensions and specification in SKF catalogue:

d - 100 mm

D - 140 mm

B - 20 mm

d1 - 114.92 mm

d2 - 113.16 mm

D2 - 128.7 mm

r1,2 - min. - 1.1 mm

r3,4 - min. - 0.6 mm

a - 41.4 mm

da - min. - 106 mm

db - min. - 106 mm

Da - max. - 134 mm

Db - max. - 136.8 mm

ra - max. - 1 mm

rb - max. - 0.6 mm

dn - 116.1 mm

Basic dynamic load rating - C - 20.8 kN

Basic static load rating - C0 - 21.2 kN

Fatigue load limit - Pu - 0.815 kN

Limiting speed for grease lubrication - 13000 r/min

Limiting speed for oil lubrication - 20000 mm/min

Ball - Dw - 7.938 mm

Ball - z - 37

Gref - 9.96 cm3

Calculation factor - e - 0.68

Calculation factor - Y2 - 0.87

Calculation factor - Y0 - 0.38

Calculation factor - X2 - 0.41

Calculation factor - Y1 - 0.92

Calculation factor - Y2 - 1.41

Calculation factor - Y0 - 0.76

Calculation factor - X2 - 0.67

Preload class A - GA - 125 N

Preload class B - GB - 250 N

Preload class C - GC - 750 N

Calculation factor - f - 1.11

Calculation factor - f1 - 0.99

Calculation factor - f2A - 1

Calculation factor - f2B - 1.02

Calculation factor - f2C - 1.08

Calculation factor - fHC - 1.01

Preload class A - 178 N/micron

Preload class B - 226 N/micron

Preload class C - 343 N/micron

Mass bearing - 0.802 kg

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