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：2021-06-04
Application:medical equipment,wall industry,reinforced machinery,molding machine,magnetic elements,metallurgy,knitted fabrics,hardware,Energy saving energy saving energy saving energy saving energy saving energy saving energy saving energy saving energy saving energy saving energy saving,milling head plug,animal
Similar models:71922 ACE/P4A 71922 CB/HCP4A 71922 CE/P4AH1 S71922 ACB/P4A S71922 ACB/HCP4A 71922 CB/HCP4AL S71922 CE/P4A 71922 ACD/P4AL 71922 CE/HCP4AH1 71922 ACD/HCP4AH1
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Model No.	Inner Diameter	Outer Diameter	Width	Type
250x285x15 HMSA10 V	250	285	15	Seals
35x55x7 HMS5 RG	35	55	7	Seals
30x48x8 HMS5 RG	30	48	8	Seals
470711	689	-	-	Seals
511/670 F	670	800	105	Bearings, units and housings
6213-2Z/VA208	65	120	23	Bearings, units and housings
72x100x10 HMS5 V	72	100	10	Seals
89418 M	90	190	60	Bearings, units and housings
NU 29/950 ECMA	950	1250	175	Bearings, units and housings
SHR 85	85	-	-	Coupling systems
SC 80 ES	80	-	55	Bearings, units and housings
SSAFS 22518 x 3.1/4 T	82.55	-	-	Bearings, units and housings

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Hot number： 17240 23122-2CS5K/VT143 24x42x8 HMSA10 V 26x38x7 HMS5 RG 45x58x7 HMS5 RG 7019 ACE/P4A AHX 2314 G BT1B 328068/HA4 BS2-2315-2RSK/VT143 FSAF 22518 x 3.1/16 S71903 ACD/HCP4A SAF 23048 KATLC x 8.7/16 SAL 20 C SY 40 TF/VA228 SYR 3-18