d - 105 mm

D - 145 mm

B - 20 mm

d₁ - 117.3 mm

d₂ - 117.3 mm

D₁ - 132.7 mm

r_1,2 - min. - 1.1 mm

r_3,4 - min. - 0.6 mm

a - 39.3 mm

d_a - min. - 111 mm

d_b - min. - 111 mm

D_a - max. - 139 mm

D_b - max. - 141 mm

r_a - max. - 1 mm

r_b - max. - 0.6 mm

d_n - 120.6 mm

Basic dynamic load rating - C - 57.2 kN

Basic static load rating - C₀ - 65.5 kN

Fatigue load limit - P_u - 2.5 kN

Limiting speed for grease lubrication - 9000 r/min

Limiting speed for oil lubrication - 15000 mm/min

Ball - D_w - 12.7 mm

Ball - z - 27

G_ref - 11.1 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 - G_A - 360 N

Preload class B - G_B - 720 N

Preload class C - G_C - 1440 N

Preload class D - G_D - 2880 N

Calculation factor - f - 1.25

Calculation factor - f₁ - 0.98

Calculation factor - f_2A - 1

Calculation factor - f_2B - 1.07

Calculation factor - f_2C - 1.12

Calculation factor - f_2D - 1.17

Calculation factor - f_HC - 1.04

Preload class A - 292 N/micron

Preload class B - 384 N/micron

Preload class C - 514 N/micron

Preload class D - 703 N/micron

Mass bearing - 0.699 kg

• Model Number: 71921 ACD/HCP4A
• Inner Diameter：145mm Outer Diameter：105mm Width：20mm
• Type：Angular Contact Ball Bearings
• Update date：2025-12-16
• Application:leather processing,Medium and large motor,vacuum filter,office outdoor camping equipment,Hydraulic Press,electromyography machine,lifting tackle,Energy saving energy saving energy saving energy saving energy saving energy saving energy saving energy saving energy saving energy saving energy saving,engineering machine,Material handling equipment,industrial supplies
• Similar models:CX 71921C-UO FAG HS71921-C-T-P4S SKF 71921CD/HCP4AL FAG HSS71921-E-T-P4S SKF 71921CD/P4AL SKF S71921CD/HCP4A SKF 71921CD/HCP4A ISO 71921CDF SKF 71921CD/P4AH1 ISO 71921CDB
• BEARING POWER International Trading Co.,Ltd. specialize in 71921ACD/HCP4A products，there is large inventory of SKF 71921 ACD/HCP4A . We has been built up long-term cooperation with SKF company, could make a bulk order of the 71921 ACD/HCP4A Which SKF 71921ACD/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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