Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF S71922 CD/P4A

S71922 CD/P4A

Dimensions

d		110	mm
D		150	mm
B		20	mm
d₁		122.3	mm
d₂		122.3	mm
D₂		140.57	mm
r_1,2	min.	1.1	mm
r_3,4	min.	0.6	mm
a		27.5	mm

Abutment dimensions

d_a	min.	116	mm
d_a	max.	121.7	mm
d_b	min.	116	mm
d_b	max.	121.7	mm
D_a	max.	144	mm
D_b	max.	146	mm
r_a	max.	1	mm
r_b	max.	0.6	mm

Calculation data

Basic dynamic load rating	C	62.4	kN
Basic static load rating	C₀	72	kN
Fatigue load limit	P_u	2.7	kN
Attainable speed for grease lubrication		8000	r/min
Ball diameter	D_w	12.7	mm
Number of balls	z	28
Preload and stiffness (back-to-back, face-to-face)
Preload class A	G_A	230	N
Static axial stiffness, preload class A		113	N/µm
Preload class B	G_B	460	N
Static axial stiffness, preload class B		156	N/µm
Preload class C	G_C	920	N
Static axial stiffness, preload class C		221	N/µm
Preload class D	G_D	1840	N
Static axial stiffness, preload class D		325	N/µm
Calculation factors
Calculation factor	f	1.26
Calculation factor	f₁	1
Calculation factor	f_2A	1
Calculation factor	f_2B	1.04
Calculation factor	f_2C	1.09
Calculation factor	f_2D	1.15
Calculation factor	f_HC	1
Calculation factor	f₀	16.5

Mass

Mass bearing

0.88

Model Number: S71922 CD/P4A
Inner Diameter：110mm Outer Diameter：150mm Width：20mm
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:teaching equipment,Broadcasting System,dynamic blood pressure,Switch,coal mill,economic mold,Laser Cutting,Perfusion device,diagnostic test paper,Industrial,Antenna Potentials
Similar models:71922 CE/HCP4AL 71922 CB/P4A S71922 CD/P4A 71922 ACE/P4AH1 71922 ACE/HCP4AH1 71922 ACD/HCP4A 71922 CE/HCP4A 71922 CD/P4AL 71922 CD/P4A 71922 CB/HCP4A
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