Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF 71924 ACD/HCP4AH1

71924 ACD/HCP4AH1

Dimensions

d		120	mm
D		165	mm
B		22	mm
d₁		133.9	mm
d₂		133.9	mm
D₁		151.1	mm
K		0.5	mm
C₁		6.1	mm
r_1,2	min.	1.1	mm
r_3,4	min.	0.6	mm
a		44.4	mm

Abutment dimensions

d_a	min.	126	mm
d_b	min.	126	mm
D_a	max.	159	mm
D_b	max.	161	mm
r_a	max.	1	mm
r_b	max.	0.6	mm
d_n		137.6	mm

Calculation data

Basic dynamic load rating	C	72.8	kN
Basic static load rating	C₀	86.5	kN
Fatigue load limit	P_u	3.05	kN
Attainable speed for grease lubrication		8000	r/min
Attainable speed for oil-air lubrication		13000	r/min
Ball diameter	D_w	14.288	mm
Number of balls	z	28
Reference grease quantity	G_ref	15.3	cm³
Preload and stiffness (back-to-back, face-to-face)
Preload class A	G_A	450	N
Static axial stiffness, preload class A		335	N/µm
Preload class B	G_B	900	N
Static axial stiffness, preload class B		440	N/µm
Preload class C	G_C	1800	N
Static axial stiffness, preload class C		588	N/µm
Preload class D	G_D	3600	N
Static axial stiffness, preload class D		804	N/µm
Calculation factors
Calculation factor	f	1.26
Calculation factor	f₁	0.98
Calculation factor	f_2A	1
Calculation factor	f_2B	1.07
Calculation factor	f_2C	1.12
Calculation factor	f_2D	1.17
Calculation factor	f_HC	1.04
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

0.99

Model Number: 71924 ACD/HCP4AH1
Inner Diameter：120mm Outer Diameter：165mm Width：22mm
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：2026-06-25
Application:vertical pull,Small air generators,storage shelves,forming machine,other lathe,wall industry,SPA equipment,manual Tools,thread processing machine,Pneumatic Actuator,key lock
Similar models:71924 CB/P4AL 71924 ACD/HCP4AL 71924 ACD/P4A S71924 CD/HCP4A S71924 CB/P4A 71924 CD/HCP4AH1 71924 ACD/HCP4A 71924 CB/P4A 71924 ACB/P4AL 71924 CD/P4AL
BEARING POWER International Trading Co.,Ltd. specialize in 71924ACD/HCP4AH1 products，there is large inventory of SKF 71924 ACD/HCP4AH1 Angular contact ball bearings, super-precision. We has been built up long-term cooperation with SKF company, could make a bulk order of the 71924 ACD/HCP4AH1 Which SKF 71924ACD/HCP4AH1 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.
Model No. Inner Diameter Outer Diameter Width Type

11553
2319 KM + H 2319
7017 ACB/P4A
KM 12
RSTO 20

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Model No.	Inner Diameter	Outer Diameter	Width	Type
11553
2319 KM + H 2319
7017 ACB/P4A
KM 12
RSTO 20