Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF S71907 CB/P4A

S71907 CB/P4A

Dimensions

d		35	mm
D		55	mm
B		10	mm
d₁		42.46	mm
d₂		41.56	mm
D₂		49.5	mm
r_1,2	min.	0.6	mm
r_3,4	min.	0.3	mm
a		13.6	mm

Abutment dimensions

d_a	min.	38.2	mm
d_a	max.	41.9	mm
d_b	min.	38.2	mm
d_b	max.	41	mm
D_a	max.	51.8	mm
D_b	max.	53	mm
r_a	max.	0.6	mm
r_b	max.	0.3	mm

Calculation data

Basic dynamic load rating	C	6.89	kN
Basic static load rating	C₀	6.2	kN
Fatigue load limit	P_u	0.156	kN
Attainable speed for grease lubrication		34000	r/min
Ball diameter	D_w	3.969	mm
Number of balls	z	25
Preload and stiffness (back-to-back, face-to-face)
Preload class A	G_A	17	N
Static axial stiffness, preload class A		23	N/µm
Preload class B	G_B	34	N
Static axial stiffness, preload class B		29	N/µm
Preload class C	G_C	100	N
Static axial stiffness, preload class C		47	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	9.7

Mass

Mass bearing

0.081

Model Number: S71907 CB/P4A
Inner Diameter：35mm Outer Diameter：55mm Width：10mm
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：2025-11-28
Application:set bacteria instrument,Rolling mill,glass,test laboratory equipment and accessories,Spectrum Products,engineering machinery,Power equipment,reinforced machinery,universal category,bio-chemical,Laser Measurements
Similar models:71907 CE/HCP4AL 71907 CB/HCP4A 71907 ACE/HCP4A 71907 CD/P4A 71907 CE/P4A S71907 CB/P4A 71907 ACE/P4AL S71907 CE/P4A 71907 CD/HCP4A 71907 ACE/HCP4AH
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