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

71922 CB/P4AL

Dimensions

d		110	mm
D		150	mm
B		20	mm
d₁		124.42	mm
d₂		122.5	mm
D₂		139	mm
b		2.2	mm
C₁		10.9	mm
C₂		4.5	mm
C₃		2.9	mm
r_1,2	min.	1.1	mm
r_3,4	min.	0.6	mm
a		33	mm

Abutment dimensions

d_a	min.	116	mm
d_b	min.	116	mm
D_a	max.	144	mm
D_b	max.	146.8	mm
r_a	max.	1	mm
r_b	max.	0.6	mm
d_n		125.7	mm

Calculation data

Basic dynamic load rating	C	34.5	kN
Basic static load rating	C₀	44	kN
Fatigue load limit	P_u	1	kN
Attainable speed for grease lubrication		11000	r/min
Attainable speed for oil-air lubrication		17000	r/min
Ball diameter	D_w	8.731	mm
Number of balls	z	37
Reference grease quantity	G_ref	11.43	cm³
Preload and stiffness (back-to-back, face-to-face)
Preload class A	G_A	86	N
Static axial stiffness, preload class A		66	N/µm
Preload class B	G_B	170	N
Static axial stiffness, preload class B		87	N/µm
Preload class C	G_C	515	N
Static axial stiffness, preload class C		140	N/µm
Calculation factors
Calculation factor	f	1.14
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	10

Mass

Mass bearing

0.9

Model Number: 71922 CB/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：2021-06-08
Application:food / grain / food equipment,knitted fabrics,lifting upgrade,tobacco machinery,equipment and,Switch,Warehouse Shelf Equipment,animal,coal,oral medical device,scientific instruments
Similar models:S71922 ACE/P4A 71922 CB/P4A 71922 ACD/HCP4A 71922 ACB/HCP4AL 71922 ACD/HCP4AL S71922 ACB/HCP4A S71922 CB/HCP4A S71922 CB/P4A 71922 ACD/P4A 71922 CB/HCP4A
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