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

S71922 ACD/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		40.4	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	58.5	kN
Basic static load rating	C₀	68	kN
Fatigue load limit	P_u	2.55	kN
Attainable speed for grease lubrication		7500	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	370	N
Static axial stiffness, preload class A		274	N/µm
Preload class B	G_B	740	N
Static axial stiffness, preload class B		359	N/µm
Preload class C	G_C	1480	N
Static axial stiffness, preload class C		482	N/µm
Preload class D	G_D	2960	N
Static axial stiffness, preload class D		661	N/µm
Calculation factors
Calculation factor	f	1.26
Calculation factor	f₁	0.98
Calculation factor	f_2A	1
Calculation factor	f_2B	1.04
Calculation factor	f_2C	1.08
Calculation factor	f_2D	1.14
Calculation factor	f_HC	1
Calculation factor	e	0.68
Calculation factor (single, tandem)	Y₂	0.87
Calculation factor (single, tandem)	Y₀	0.38
Calculation factor (single, tandem)	X₂	0.41
Calculation factor (back-to-back, face-to-face)	Y₁	0.92
Calculation factor (back-to-back, face-to-face)	Y₂	1.41
Calculation factor (back-to-back, face-to-face)	Y₀	0.76
Calculation factor (back-to-back, face-to-face)	X₂	0.67

Mass

Mass bearing

0.88

Model Number: S71922 ACD/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：2026-08-19
Application:mechanical annex,Laser Cutting,Storage Tool,coal mill,printing equipment,Security Equipment,Processing machinery,glass,top industry,Other machinery,wall industry
Similar models:71922 CE/HCP4AL 71922 CE/P4AH1 71922 ACB/HCP4AL 71922 ACE/P4AL S71922 CB/P4A 71922 CE/HCP4A S71922 CB/HCP4A S71922 ACE/P4A S71922 ACB/P4A 71922 CD/HCP4AH1
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Model No. Inner Diameter Outer Diameter Width Type

33014/DF
45x72x8 CRW1 V
IR 140x155x35
P 85
SNW 128x4.7/8

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Hot number： 21x40x7 HMSA10 RG 24134 CCK30/W33 25x62x10 HMSA10 V 45x85x10 HMSA10 RG 525034 527820 6226/C3VL2071 71917 CE/P4A 85914 92536 HN 1612 NCF 28/600 V/HB1 NJG 2305 VH OKC 440 SAF 1515 x 2.1/2

Model No.	Inner Diameter	Outer Diameter	Width	Type
33014/DF
45x72x8 CRW1 V
IR 140x155x35
P 85
SNW 128x4.7/8