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：2025-11-29
Application:security equipment,Industrial equipment,Solenoid Valves,Textile Accessories,metallurgical mold,Vacuum generator,plastic molding,Industrial Adhesive,insect experimental analysis instrument,rubber products machinery and equipment,electric hydraulic lifting platform
Similar models:71908 CD/HCP4A 71908 ACE/P4AL S71908 ACB/P4A 71908 CE/HCP4A 71908 CB/HCP4A 71908 CB/P4AL 71908 ACE/P4A S71908 ACD/P4A S71908 CD/P4A 71908 CE/P4A
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Model No.	Inner Diameter	Outer Diameter	Width	Type
1160x1200x18 HS8 R	1160	1200	18	Seals
23024-2RS5/VT143	120	180	46	Bearings, units and housings
232/710 CAK/W33	710	1280	450	Bearings, units and housings
23286	59.0042	99.9998	10.0076	Seals
38751	98.425	141.2748	-	Seals
6206-2ZNR	30	62	16	Bearings, units and housings
71916 CB/P4A	80	110	16	Bearings, units and housings
K 20x24x13	20	24	13	Bearings, units and housings
NJ 413	65	160	37	Bearings, units and housings
SAF 1510 x 1.3/4	44.45	-	-	Bearings, units and housings
W 6207	35	72	17	Bearings, units and housings
Z 310 F	50	-	6	Seals

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