Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF 71922 ACD/P4A

71922 ACD/P4A

Dimensions

d		110	mm
D		150	mm
B		20	mm
d₁		122.3	mm
d₂		122.3	mm
D₁		137.7	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_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	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
Attainable speed for oil-air lubrication		12000	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	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

0.86

Model Number: 71922 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：2025-12-09
Application:pneumatic,generator,trolley,Storage Tool,Spectrum Products,medical equipment,Cylinder Type,experimental equipment,sheet industry,packing equipment,other rubber
Similar models:71922 ACB/P4A S71922 CD/P4A S71922 ACE/HCP4A 71922 ACE/P4A S71922 ACD/P4A 71922 ACD/P4AL 71922 CE/HCP4AH1 71922 ACB/HCP4A 71922 CB/P4A S71922 ACD/HCP4A
BEARING POWER International Trading Co.,Ltd. specialize in 71922ACD/P4A products，there is large inventory of SKF 71922 ACD/P4A Angular contact ball bearings, super-precision. We has been built up long-term cooperation with SKF company, could make a bulk order of the 71922 ACD/P4A Which SKF 71922ACD/P4A is the most authentic, must choose BEARING POWER, what a whole variety, reasonable price, guaranteed quality, prompt delivery via Global express. Any inquiry, never hesitate to E-mail or call +86-022-58519721 to contact us.

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