Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF 71910 CD/HCP4A

71910 CD/HCP4A

Dimensions

d		50	mm
D		72	mm
B		12	mm
d₁		57.1	mm
d₂		57.1	mm
D₁		64.9	mm
r_1,2	min.	0.6	mm
r_3,4	min.	0.3	mm
a		14.2	mm

Abutment dimensions

d_a	min.	53.2	mm
d_b	min.	53.2	mm
D_a	max.	68.8	mm
D_b	max.	70.6	mm
r_a	max.	0.6	mm
r_b	max.	0.3	mm
d_n		58.7	mm

Calculation data

Basic dynamic load rating	C	13.5	kN
Basic static load rating	C₀	10.4	kN
Fatigue load limit	P_u	0.44	kN
Attainable speed for grease lubrication		22000	r/min
Attainable speed for oil-air lubrication		34000	r/min
Ball diameter	D_w	6.35	mm
Number of balls	z	25
Reference grease quantity	G_ref	1.74	cm³
Preload and stiffness (back-to-back, face-to-face)
Preload class A	G_A	50	N
Static axial stiffness, preload class A		47	N/µm
Preload class B	G_B	100	N
Static axial stiffness, preload class B		63	N/µm
Preload class C	G_C	200	N
Static axial stiffness, preload class C		87	N/µm
Preload class D	G_D	400	N
Static axial stiffness, preload class D		122	N/µm
Calculation factors
Calculation factor	f	1.13
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
Calculation factor	f₀	10.7

Mass

Mass bearing

0.12

Model Number: 71910 CD/HCP4A
Inner Diameter：50mm Outer Diameter：72mm Width：12mm
Reference speed:- Limiting speed:-
Type：Bearings, units and housings Super-precision bearings Angular contact ball bearings Angular contact ball bearings, super-precision
Details： Angular contact ball bearings, super-precision
Update date：2026-04-16
Application:CNC,engineering machine,Storage Device,motor,agricultural testing and analysis equipment and related,relay,molding machine,Tool,printing equipment,position switch,woodworking machinery
Similar models:71910 ACB/P4AL 71910 CB/HCP4A 71910 ACE/HCP4AH1 71910 ACE/P4AH1 71910 ACE/HCP4A 71910 CD/P4A S71910 CD/HCP4A 71910 CE/P4AH1 S71910 ACE/P4A S71910 CE/HCP4A
BEARING POWER International Trading Co.,Ltd. specialize in 71910CD/HCP4A products，there is large inventory of SKF 71910 CD/HCP4A Angular contact ball bearings, super-precision. We has been built up long-term cooperation with SKF company, could make a bulk order of the 71910 CD/HCP4A Which SKF 71910CD/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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Hot number： 13511 19445 22244-2CS5K/VT143 280x320x20 CRWA1 R 30224/DF 30320 628-2RS1 95068 99571 NJ 212 ECML NUP 210 ECP RNA 4907.2RS SAFS 23056 KATLC x 10.1/2 SY 1.1/4 WDW Z 310 F