Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF 71922 CD/P4AL

71922 CD/P4AL

Dimensions

d		110	mm
D		150	mm
B		20	mm
d₁		122.3	mm
d₂		122.3	mm
D₁		137.7	mm
b		2.3	mm
C₁		10.9	mm
C₂		4	mm
C₃		3	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_b	min.	116	mm
D_a	max.	144	mm
D_b	max.	146	mm
r_a	max.	1	mm
r_b	max.	0.6	mm
d_n		125.6	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
Attainable speed for oil-air lubrication		13000	r/min
Ball diameter	D_w	12.7	mm
Number of balls	z	28
Reference grease quantity	G_ref	11.4	cm³
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

0.86

Model Number: 71922 CD/P4AL
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：2024-12-14
Application:shoe-making machinery,oral medical device,walking Food processing machinery and equipment,DC generators,animal anatomy,pipe fittings Steel industry,tapered grinder,Blood coagulation reagent,thin metal materials,other mold,tapping machine
Similar models:71922 CE/HCP4AL 71922 CD/HCP4A S71922 ACD/HCP4A 71922 ACD/HCP4AL 71922 CD/HCP4AH1 71922 CE/P4AL 71922 CB/HCP4AL 71922 ACD/P4AH1 S71922 CD/P4A S71922 CD/HCP4A
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