Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF S71904 CE/P4A

S71904 CE/P4A

Dimensions

d		20	mm
D		37	mm
B		9	mm
d₁		25.65	mm
d₂		24.4	mm
D₂		33.5	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_a	max.	25.3	mm
d_b	min.	22	mm
d_b	max.	24	mm
D_a	max.	35	mm
D_b	max.	36.2	mm
r_a	max.	0.3	mm
r_b	max.	0.15	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
Ball diameter	D_w	4.762	mm
Number of balls	z	14
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

0.035

Model Number: S71904 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：2021-06-03
Application:Industrial,Hydraulic Hose,gear grinding machine,power source,equipment and,Hydraulic Press,Spectrum Products,vertical sawing machine,industrial supplies,Doppler,stacker lift platform
Similar models:71904 ACE/HCP4AL 71904 CD/HCP4A S71904 CE/HCP4A 71904 ACE/HCP4A S71904 ACD/P4A 71904 ACE/P4AH S71904 ACD/HCP4A 71904 CE/HCP4AH 71904 ACD/HCP4A S71904 CD/HCP4A
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7021 CD/P4AH1	105	160	26	Bearings, units and housings
BT4-8017/HA1C600VA941	333.375	469.9	-	Bearings, units and housings
GEH 90 TXA-2LS	90	150	85	Bearings, units and housings
HH 224335/310	101.6	212.725	66.675	Bearings, units and housings
NN 3056 K/SPW33	280	420	106	Bearings, units and housings
PPMF 161817	16	18	17	Bearings, units and housings
SNW 132x5.7/16	138.1125	160	150.114	Bearings, units and housings
YAT 205-100	25.4	52	27.2	Bearings, units and housings

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Hot number： BD-231/670 CAK/W33-OH 31/670 H 35x47x6 HMS5 V 43345 6210/HR11TN 71956 CD/HCP4A 740 VE R 75x90x8 CRW1 R BD-C 3076 KM-AOH 3076 G FSAF 22520 T MVR1-20 NU 206 ECPH PL 52 QJ 252 N2MA SAF 22544 x 7.1/2 T SSAFS 22538 TLC