Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF 71904 CE/P4A

71904 CE/P4A

Dimensions

d		20	mm
D		37	mm
B		9	mm
d₁		25.65	mm
d₂		24.4	mm
D₁		31.49	mm
r_1,2	min.	0.3	mm
r_3,4	min.	0.15	mm
a		8.5	mm

Abutment dimensions

d_a	min.	22	mm
d_b	min.	22	mm
D_a	max.	35	mm
D_b	max.	36.2	mm
r_a	max.	0.3	mm
r_b	max.	0.15	mm
d_n		26.7	mm

Calculation data

Basic dynamic load rating	C	4.88	kN
Basic static load rating	C₀	2.4	kN
Fatigue load limit	P_u	0.102	kN
Attainable speed for grease lubrication		56000	r/min
Attainable speed for oil-air lubrication		88000	r/min
Ball diameter	D_w	4.762	mm
Number of balls	z	14
Reference grease quantity	G_ref	0.5	cm³
Preload and stiffness (back-to-back, face-to-face)
Preload class A	G_A	26	N
Static axial stiffness, preload class A		18	N/µm
Preload class B	G_B	79	N
Static axial stiffness, preload class B		28	N/µm
Preload class C	G_C	157	N
Static axial stiffness, preload class C		39	N/µm
Calculation factors
Calculation factor	f	1.04
Calculation factor	f₁	1
Calculation factor	f_2A	1
Calculation factor	f_2B	1.04
Calculation factor	f_2C	1.08
Calculation factor	f_HC	1
Calculation factor	f₀	7.8

Mass

Mass bearing

0.036

Model Number: 71904 CE/P4A
Inner Diameter：20mm Outer Diameter：37mm Width：9mm
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:food add,sample cup,Laser Cutting,Industrial,Spectrum Products,Ball screw,forklift truck,Pneumatic Control Elements,equipment,Hair styling device,altimeter etc
Similar models:71904 CE/HCP4A S71904 ACE/P4A 71904 CE/HCP4AH S71904 CD/HCP4A 71904 ACE/HCP4AL S71904 ACD/P4A S71904 ACE/HCP4A 71904 ACD/HCP4A 71904 CE/P4AL 71904 ACD/P4A
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Model No. Inner Diameter Outer Diameter Width Type

35x62x7 HMSA10 V
36147
AS 5070
DMB 8/12
NJ 317 ECP

Purchase the SKF 71904 CE/P4A Please fill in the following

Hot number： 17x32x7 HMS5 V 2200590 BD-23072 CCK/W33-OH 3072 H 51206 V/HR11Q1 5543 6201-ZNR 619/1000 MB 85885 99149 FSAF 1611 KRV 19 PPA NKI 75/25 S71922 CD/HCP4A SAF 1513 x 2.1/4 SNP 3196x18

Model No.	Inner Diameter	Outer Diameter	Width	Type
35x62x7 HMSA10 V
36147
AS 5070
DMB 8/12
NJ 317 ECP