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：2025-12-09
Application:motorcycle,chamfer,diving equipment,Laser Cutting,Hydraulic Equipment,axle lathe,insect experimental analysis instrument,ultra-quiet generators,casting embedding,car and accessories,Forklift industry
Similar models:71908 CE/HCP4AH1 71908 CB/HCP4A 71908 ACE/P4AL 71908 CE/HCP4AL 71908 CB/HCP4AL S71908 ACE/HCP4A S71908 CE/P4A 71908 ACB/P4AL 71908 ACB/HCP4AL 71908 CE/P4AH1
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Model No.	Inner Diameter	Outer Diameter	Width	Type
2204 E-2RS1TN9	20	47	18	Bearings, units and housings
38 VA R	34	-	-	Seals
50x72x12 HMSA10 V	50	72	12	Seals
51305 V/HR22T2	25	52	18	Bearings, units and housings
FSAF 1520 x 3.3/8 T	85.725	-	-	Bearings, units and housings
PSM 253030 A51	25	30	30	Bearings, units and housings
RN-2.5x13.8 BF/G2	-	-	2.5	Bearings, units and housings
RNAO 90x110x30	90	110	30	Bearings, units and housings
SAF 1517 x 3 TLC	76.2	-	-	Bearings, units and housings
SI 12 E	12	-	10	Bearings, units and housings
SYR 2 3/16	55.5625	-	-	Bearings, units and housings
Z 004 F	20	-	5	Seals

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Hot number： 2100228 21163 32317T132/DB 6207-2RS1 7304 BEP 99165 99351 GB 3007 JLM 104945/910 MBL 32 N 1009 KPHA/HC5SP NJ 324 ECJ NU 311 ECP PPMF 202311.5 SYR 3 1/2 N-118