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

• Model Number:S71921 CD/HCP4A
• Inner Diameter：145mm Outer Diameter：105mm Width：20mm
• Type：Angular Contact Ball Bearings
• Update date：2025-12-12
• Application:boring bar boring bar,hydraulic pump,printing machinery,mobile toilet,organic raw materials,generator,Industrial Adhesive,Handling machinery and various industrial machinery,Other Machine Tools,industrial supplies,Embroidery
• Similar models:SKF 71921ACD/P4AH1 FAG HS71921-C-T-P4S SKF 71921CD/P4AH1 FAG HCB71921-E-T-P4S SKF 71921CD/HCP4AL ISO 71921CDF SKF 71921ACD/HCP4A SKF 71921CD/P4AL SKF S71921ACD/P4A SKF S71921CD/P4A
• BEARING POWER International Trading Co.,Ltd. specialize in S71921CD/HCP4A products，there is large inventory of SKF S71921 CD/HCP4A . We has been built up long-term cooperation with SKF company, could make a bulk order of the S71921 CD/HCP4A Which SKF S71921CD/HCP4A is the most authentic, must choose BEARING POWER, what a whole variety, reasonable price, guaranteed quality, prompt delivery via Global express.Any inquiry, never hesitate to E-mail or call +86-022-58519721 to contact us.

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