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：2026-04-16
Application:cleaning agent,medical Equipment,industrial skin care,Industry,orthodontic material,Other machinery,Garment Accessories,Grinding and polishing equipment,electric hydraulic lifting platform,Gear grinding machine,chuck industry
Similar models:71904 CE/P4AH 71904 ACE/HCP4A 71904 ACD/HCP4A S71904 ACE/P4A S71904 ACE/HCP4A 71904 ACE/HCP4AL 71904 CE/HCP4A 71904 CD/HCP4A S71904 CE/HCP4A 71904 ACE/P4AH
BEARING POWER International Trading Co.,Ltd. specialize in 71904CE/P4A products，there is large inventory of SKF 71904 CE/P4A Angular contact ball bearings, super-precision. We has been built up long-term cooperation with SKF company, could make a bulk order of the 71904 CE/P4A Which SKF 71904CE/P4A 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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HJ 2226 EC	130	164.1	21	Bearings, units and housings
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OKBS 128	128	-	-
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S7202 ACD/HCP4A	15	35	11	Bearings, units and housings
SAF 1616 x 2.5/8	66.675	-	-	Bearings, units and housings
SAFS 22228 TLC	140	-	-	Bearings, units and housings
WS 89324	120		18.5	Bearings, units and housings
YAT 209-111	42.863	85	37	Bearings, units and housings
Z 008	40	-	6	Seals

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Hot number： 19212 206 2311 M 34x62x10 HMSA10 RG 61934 MA 71907 CE/P4A 86688 C 31/710 MB FY 2. TF/VA201 KD10-604 SAF 22314 T SAFS 22515-11 x 2.1/2 TLC SIL 60 ESX-2LS Z 209 F YAR 218-2F