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

S71908 CE/P4A

Dimensions

d		40	mm
D		62	mm
B		12	mm
d₁		46.5	mm
d₂		44.8	mm
D₂		56.5	mm
r_1,2	min.	0.6	mm
r_3,4	min.	0.3	mm
a		13.2	mm

Abutment dimensions

d_a	min.	43.2	mm
d_a	max.	46.1	mm
d_b	min.	42	mm
d_b	max.	44.4	mm
D_a	max.	58.8	mm
D_b	max.	60	mm
r_a	max.	0.6	mm
r_b	max.	0.3	mm

Calculation data

Basic dynamic load rating	C	9.75	kN
Basic static load rating	C₀	6.1	kN
Fatigue load limit	P_u	0.26	kN
Attainable speed for grease lubrication		32000	r/min
Ball diameter	D_w	6.35	mm
Number of balls	z	19
Preload and stiffness (back-to-back, face-to-face)
Preload class A	G_A	52	N
Static axial stiffness, preload class A		32	N/µm
Preload class B	G_B	157	N
Static axial stiffness, preload class B		49	N/µm
Preload class C	G_C	315	N
Static axial stiffness, preload class C		67	N/µm
Calculation factors
Calculation factor	f	1.05
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	8.3

Mass

Mass bearing

0.11

Model Number: S71908 CE/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：2026-04-16
Application:plastic molding,electronic materials,Storage Tool,Gas turbine,Vertical machining,journal lathe,Seals,hydraulic pump,non-motor vehicle Electric car,wheel lathe,ultra-quiet generators
Similar models:71908 ACB/HCP4AL 71908 CE/P4AL S71908 CB/HCP4A S71908 ACB/HCP4A S71908 CB/P4A S71908 ACB/P4A S71908 CE/P4A 71908 ACB/P4AL 71908 CD/HCP4A 71908 CB/HCP4AL
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90853	-	-	25	Seals
AS 6590	65	90	1	Bearings, units and housings
FYTWR 3/4 YTHR	19.05	-	-	Bearings, units and housings
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PFD 40 TR	40	-	-	Bearings, units and housings
SNL 3148	176.2125	-	-	Bearings, units and housings

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Hot number： 3212 ATN9 32207/DF 404903 40x60x8 HMSA10 V 47395 527903 53320 + U 320 608/560 MA 6219 NR 71919 ACD/P4AL 71952 CD/HCP4AL BT4B 331934/HA4 HJ 322 EC S71905 ACE/P4A SYWK 1.15/16 LTA