Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF 71924 ACE/HCP4A

71924 ACE/HCP4A

Dimensions

d		120	mm
D		165	mm
B		22	mm
d₁		134	mm
d₂		130.2	mm
D₁		151.01	mm
r_1,2	min.	1.1	mm
r_3,4	min.	0.6	mm
a		46.1	mm

Abutment dimensions

d_a	min.	126	mm
d_b	min.	123.2	mm
D_a	max.	159	mm
D_b	max.	161.8	mm
r_a	max.	1	mm
r_b	max.	0.6	mm
d_n		137.4	mm

Calculation data

Basic dynamic load rating	C	44.9	kN
Basic static load rating	C₀	38	kN
Fatigue load limit	P_u	1.32	kN
Attainable speed for grease lubrication		11500	r/min
Attainable speed for oil-air lubrication		17500	r/min
Ball diameter	D_w	14.288	mm
Number of balls	z	24
Reference grease quantity	G_ref	15	cm³
Preload and stiffness (back-to-back, face-to-face)
Preload class A	G_A	410	N
Static axial stiffness, preload class A		230	N/µm
Preload class B	G_B	1220	N
Static axial stiffness, preload class B		346	N/µm
Preload class C	G_C	2440	N
Static axial stiffness, preload class C		456	N/µm
Calculation factors
Calculation factor	f	1.18
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_HC	1.01
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

0.93

Model Number: 71924 ACE/HCP4A
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：2026-06-24
Application:aerial work equipment,Microwave Equipment,marine analysis,journal lathe,metering pump,other mold,industrial supplies,Security Equipment,miscellaneous instruments,stirrer,Medical printer
Similar models:S71924 CE/P4A 71924 CE/HCP4AL 71924 CD/P4AL 71924 CE/HCP4A 71924 ACB/P4AL 71924 CE/P4A 71924 ACB/HCP4AL S71924 CB/P4A 71924 CD/HCP4AH1 71924 CE/P4AH1
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Model No. Inner Diameter Outer Diameter Width Type

51103 V/HR11T1
6338
NNU 4938 B/SPW33
SAF 22518 x 3.1/8
SAFS 22517-11 x 3 TLC

Purchase the SKF 71924 ACE/HCP4A Please fill in the following

Hot number： BD-23124 CCK/W33-H 3124 30238T136/DB 400055 6218-Z 7314 BEGAP 99085 99367 GEZM 200 ES GS 89307 IR 75x85x54 OH 30/950 HE PBMF 121812 M1 SAF 23024 KAT x 4.1/16 SSAFS 22524 T W 61810 R

Model No.	Inner Diameter	Outer Diameter	Width	Type
51103 V/HR11T1
6338
NNU 4938 B/SPW33
SAF 22518 x 3.1/8
SAFS 22517-11 x 3 TLC