SKF S71921 CD/HCP4A Bearing

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SKF S71921 CD/HCP4A Bearing Description

We supply various of SKF S71921 CD/HCP4A bearings. bearings is purity material and high precision , the varieties of SKF bearings is up to thousands of species .SKF S71921 CD/HCP4A bearings is known as ” the food of machinery industry” and widely used in different environment and mechanical.The purpose of SKF S71921 CD/HCP4A bearings is the operation and control. In order to ensure the smooth operation and normally rotation,SKF S71921 CD/HCP4A bearings inquire deeply into the running of the machine and friction phenomenon .SKF S71921 CD/HCP4A bearings is widely used in automobile, motor, gear, injection molding machines, machine tools, mining machinery, engineering machinery, motorcycles, office equipment, paper making machinery, pumps and compressors, wind power generator and so on.The shipment of SKF S71921 CD/HCP4A bearings will be arranged timely for we have a large stock of SKF S71921 CD/HCP4A bearings in HongKong.

SKF S71921 CD/HCP4A Bearing Specification

Bearing number : S71921 CD/HCP4A

Size (mm) : 105x145x20

Brand : The brand you need

Bore Diameter (mm) : 105

Outer Diameter (mm) : 145

Width (mm) : 20

Bearing dimensions and specification in ALIER catalogue:

d – 105 mm

D – 145 mm

B – 20 mm

d₁ – 117.3 mm

d₂ – 117.3 mm

D₂ – 135.65 mm

r_1,2 – min. – 1.1 mm

r_3,4 – min. – 0.6 mm

a – 26.8 mm

d_a – min. – 111 mm

d_a – max. – 116.7 mm

d_b – min. – 111 mm

d_b – max. – 116.7 mm

D_a – max. – 139 mm

D_b – max. – 141 mm

r_a – max. – 1 mm

r_b – max. – 0.6 mm

Basic dynamic load rating – C – 61.8 kN

Basic static load rating – C₀ – 69.5 kN

Fatigue load limit – P_u – 2.6 kN

Limiting speed for grease lubrication – 10000 r/min

Ball – D_w – 12.7 mm

Ball – z – 27

Calculation factor – f₀ – 16.4

Preload class A – G_A – 230 N

Preload class B – G_B – 460 N

Preload class C – G_C – 920 N

Preload class D – G_D – 1840 N

Calculation factor – f – 1.25

Calculation factor – f₁ – 1

Calculation factor – f_2A – 1

Calculation factor – f_2B – 1.07

Calculation factor – f_2C – 1.12

Calculation factor – f_2D – 1.18

Calculation factor – f_HC – 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 – 0.711 kg

Tags :  ALIER , 105x145x20