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

S71908 CB/P4A

Dimensions

d		40	mm
D		62	mm
B		12	mm
d₁		48.46	mm
d₂		47.6	mm
D₂		55.64	mm
r_1,2	min.	0.6	mm
r_3,4	min.	0.3	mm
a		14.8	mm

Abutment dimensions

d_a	min.	43.2	mm
d_a	max.	47.9	mm
d_b	min.	43.2	mm
d_b	max.	47	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	7.15	kN
Basic static load rating	C₀	6.95	kN
Fatigue load limit	P_u	0.176	kN
Attainable speed for grease lubrication		30000	r/min
Ball diameter	D_w	3.969	mm
Number of balls	z	28
Preload and stiffness (back-to-back, face-to-face)
Preload class A	G_A	18	N
Static axial stiffness, preload class A		25	N/µm
Preload class B	G_B	36	N
Static axial stiffness, preload class B		32	N/µm
Preload class C	G_C	110	N
Static axial stiffness, preload class C		52	N/µm
Calculation factors
Calculation factor	f	1.06
Calculation factor	f₁	1
Calculation factor	f_2A	1
Calculation factor	f_2B	1.02
Calculation factor	f_2C	1.07
Calculation factor	f_HC	1
Calculation factor	f₀	9.8

Mass

Mass bearing

0.12

Model Number: S71908 CB/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：2024-12-13
Application:axle lathe,gear grinding machine,stirrer,test strip,Energy saving energy saving energy saving energy saving energy saving energy saving energy saving energy saving energy saving energy saving energy saving,Spectrum Products,Cylinder Micro,Cylinder Standard,medical equipment,bathroom facilities,surgical instruments
Similar models:71908 ACB/HCP4AL 71908 CE/HCP4A 71908 CE/P4AH1 71908 ACB/P4A 71908 CE/HCP4AH1 S71908 ACB/HCP4A S71908 ACE/HCP4A 71908 ACE/P4AL 71908 CE/P4A S71908 CE/P4A
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Model No.	Inner Diameter	Outer Diameter	Width	Type
27x47x7 HMSA10 V	27	47	7	Seals
35x47x7 HMSA10 V	35	47	7	Seals
52213	55	100	47	Bearings, units and housings
62x85x10 HMSA10 V	62	85	10	Seals
706 ACD/P4A	6	17	6	Bearings, units and housings
7205 BEGAP	25	52	15	Bearings, units and housings
DMB 12/16	120	-	58	Bearings, units and housings
H 216	70	105	46	Bearings, units and housings
NJ 207 ECML	35	72	17	Bearings, units and housings
PCZ 1008 E	15.824	18.322	12.7	Bearings, units and housings
QJ 330 N2MA	150	320	65	Bearings, units and housings
SAFS 22244 T	220	-	-	Bearings, units and housings

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Hot number： 23244 CCK/W33 BD-23296 CAK/W33-OH 3296 H 330 VE R 405003 407503 61992 MA 81276 M AS 1024 GS 81207 PCZ 1208 E PSM 303830 A51 S7008 CB/P4A SAFS 22517 x 3 TLC SNW 3030x5.3/16 YSP 208-108 SB-2F