d - 190 mm

D - 260 mm

B - 33 mm

d₁ - 211.6 mm

d₂ - 211.6 mm

D₁ - 238.4 mm

r_1,2 - min. - 2 mm

r_3,4 - min. - 1 mm

a - 69.2 mm

d_a - min. - 199 mm

d_b - min. - 199 mm

D_a - max. - 251 mm

D_b - max. - 255 mm

r_a - max. - 2 mm

r_b - max. - 1 mm

d_n - 217.4 mm

Basic dynamic load rating - C - 163 kN

Basic static load rating - C₀ - 208 kN

Fatigue load limit - P_u - 5.8 kN

Limiting speed for grease lubrication - 5300 r/min

Limiting speed for oil lubrication - 8000 mm/min

Ball - D_w - 22.225 mm

Ball - z - 28

G_ref - 57 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 - 1000 N

Preload class B - G_B - 2000 N

Preload class C - G_C - 4000 N

Preload class D - G_D - 8000 N

Calculation factor - f - 1.27

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 - 505 N/micron

Preload class B - 665 N/micron

Preload class C - 886 N/micron

Preload class D - 1210 N/micron

Mass bearing - 3.636 kg

• Model Number:71938 ACD/HCP4A
• Inner Diameter：260mm Outer Diameter：190mm Width：33mm
• Type：Angular Contact Ball Bearings
• Update date：2025-12-16
• Application:Dental Drill etc,joint protection,surgical instruments,Vertical pull,printing machinery,vacuum suction cup,Textile Industry Accessories and Accessories,Blood coagulation reagent,lathe,plastic molding,Solenoid Valves
• Similar models:SKF 71938ACD/P4A SKF 71938CD/P4A CX 71938CTBP4 AST H71938AC AST 71938AC ISO 71938C FAG HCB71938-C-T-P4S SKF 71938ACD/HCP4A CX 71938ATBP4 ISO 71938A
• BEARING POWER International Trading Co.,Ltd. specialize in 71938ACD/HCP4A products，there is large inventory of SKF 71938 ACD/HCP4A . We has been built up long-term cooperation with SKF company, could make a bulk order of the 71938 ACD/HCP4A Which SKF 71938ACD/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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  SAL 20	20			CX	Plain Bearings
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  FNTA-80105	80	105	4	Torrington	THRUST NEEDLE BEARINGS