Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF S71913 CB/P4A

S71913 CB/P4A

Dimensions

d		65	mm
D		90	mm
B		13	mm
d₁		73.94	mm
d₂		72.72	mm
D₂		83.46	mm
r_1,2	min.	1	mm
r_3,4	min.	0.3	mm
a		20.1	mm

Abutment dimensions

d_a	min.	69.6	mm
d_a	max.	73.3	mm
d_b	min.	69.6	mm
d_b	max.	72.1	mm
D_a	max.	85.4	mm
D_b	max.	88	mm
r_a	max.	1	mm
r_b	max.	0.3	mm

Calculation data

Basic dynamic load rating	C	14.3	kN
Basic static load rating	C₀	15.3	kN
Fatigue load limit	P_u	0.4	kN
Attainable speed for grease lubrication		20000	r/min
Ball diameter	D_w	5.556	mm
Number of balls	z	32
Preload and stiffness (back-to-back, face-to-face)
Preload class A	G_A	35	N
Static axial stiffness, preload class A		38	N/µm
Preload class B	G_B	70	N
Static axial stiffness, preload class B		51	N/µm
Preload class C	G_C	210	N
Static axial stiffness, preload class C		81	N/µm
Calculation factors
Calculation factor	f	1.13
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	9.9

Mass

Mass bearing

0.22

Model Number: S71913 CB/P4A
Inner Diameter：65mm Outer Diameter：90mm Width：13mm
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:tower crane,Safety protection,plastic molding,food packaging,electric hydraulic lifting platform,cleaners,vertical pull,disposable,electrostatic protection,mathematical instruments,relay
Similar models:S71913 CD/P4A 71913 CD/P4A 71913 CD/HCP4AL 71913 CB/HCP4A S71913 CD/HCP4A 71913 ACB/P4A 71913 ACE/HCP4AL 71913 ACB/P4AL S71913 CB/P4A 71913 CD/HCP4A
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