Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF S71908 CD/P4A

S71908 CD/P4A

Dimensions

d		40	mm
D		62	mm
B		12	mm
d₁		47.1	mm
d₂		47.1	mm
D₂		57.12	mm
r_1,2	min.	0.6	mm
r_3,4	min.	0.3	mm
a		12.9	mm

Abutment dimensions

d_a	min.	43.2	mm
d_a	max.	46.6	mm
d_b	min.	43.2	mm
d_b	max.	46.6	mm
D_a	max.	58.8	mm
D_b	max.	60.6	mm
r_a	max.	0.6	mm
r_b	max.	0.3	mm

Calculation data

Basic dynamic load rating	C	12.4	kN
Basic static load rating	C₀	8.5	kN
Fatigue load limit	P_u	0.36	kN
Attainable speed for grease lubrication		20000	r/min
Ball diameter	D_w	6.35	mm
Number of balls	z	21
Preload and stiffness (back-to-back, face-to-face)
Preload class A	G_A	45	N
Static axial stiffness, preload class A		36	N/µm
Preload class B	G_B	90	N
Static axial stiffness, preload class B		48	N/µm
Preload class C	G_C	180	N
Static axial stiffness, preload class C		66	N/µm
Preload class D	G_D	360	N
Static axial stiffness, preload class D		93	N/µm
Calculation factors
Calculation factor	f	1.09
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	10.4

Mass

Mass bearing

0.11

Model Number: S71908 CD/P4A
Inner Diameter：40mm Outer Diameter：62mm 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：2026-06-24
Application:aerial work platform,printing equipment,metallurgy,Chromatography Products,respirator,medical equipment,Safety protection,Pump,small diesel generators,relay,medical equipment
Similar models:71908 CE/P4A S71908 ACD/P4A S71908 CB/P4A 71908 CE/P4AH1 S71908 ACE/P4A 71908 CB/HCP4A S71908 CD/P4A 71908 ACD/P4A 71908 CE/HCP4AH1 71908 ACB/P4A
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Model No. Inner Diameter Outer Diameter Width Type

11736
28116
91382
BT4B 328305/HA1
NUP 226 ECML

Purchase the SKF S71908 CD/P4A Please fill in the following

Hot number： 27536 58x72x8 HMSA10 RG 7007 ACE/P4A BTW 90 CTN9/SP C 4060 M HME 3048 KD21-153 OKC 530 OKCX 390 SAFS 22517-11 x 2.7/8 T SNP 3048x8.7/16 SAW 23518 x 3.1/8 SHR 16 SYE 1 3/4 W 61904

Model No.	Inner Diameter	Outer Diameter	Width	Type
11736
28116
91382
BT4B 328305/HA1
NUP 226 ECML