Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF 71910 CD/P4A

71910 CD/P4A

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		17000	r/min
Attainable speed for oil-air lubrication		28000	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		43	N/µm
Preload class B	G_B	100	N
Static axial stiffness, preload class B		57	N/µm
Preload class C	G_C	200	N
Static axial stiffness, preload class C		78	N/µm
Preload class D	G_D	400	N
Static axial stiffness, preload class D		110	N/µm
Calculation factors
Calculation factor	f	1.13
Calculation factor	f₁	1
Calculation factor	f_2A	1
Calculation factor	f_2B	1.04
Calculation factor	f_2C	1.09
Calculation factor	f_2D	1.15
Calculation factor	f_HC	1
Calculation factor	f₀	10.7

Mass

Mass bearing

0.13

Model Number: 71910 CD/P4A
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：2026-06-25
Application:Logistics Equipment,boring bar boring bar,dye pigments,machine tool spindle,pneumatic Pump,tooth filling,expectoration machine,Liposuction device,electromyography machine,walking Food processing machinery and equipment,hydraulic cylinder
Similar models:71910 ACB/HCP4AL 71910 CE/P4AL 71910 CD/HCP4A 71910 ACE/HCP4A S71910 ACE/HCP4A S71910 CB/P4A 71910 CE/P4AH1 71910 ACE/HCP4AH1 S71910 ACD/P4A 71910 CD/P4A
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Model No. Inner Diameter Outer Diameter Width Type

62482
626-RSL
6311 N
7010 ACB/P4AL
W 61902 R

Purchase the SKF 71910 CD/P4A Please fill in the following

Hot number： 32x47x8 HMSA10 V 38x74x11 CRW1 V 405 VE R 42557 6010/HR11TN 70/1000 AMB 7315 BECBY FYTJ 50 TF N 092 NU 204 ECML SAFS 23024 KAT x 4.1/16 SAFS 23044 KA x 7.7/8 SIA 80 TXE-2LS SIL 70 TXE-2LS SSAFS 23056 KATLC x 10.7/16

Model No.	Inner Diameter	Outer Diameter	Width	Type
62482
626-RSL
6311 N
7010 ACB/P4AL
W 61902 R