Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF 71924 ACE/P4A

71924 ACE/P4A

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		9500	r/min
Attainable speed for oil-air lubrication		15000	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		207	N/µm
Preload class B	G_B	1220	N
Static axial stiffness, preload class B		312	N/µm
Preload class C	G_C	2440	N
Static axial stiffness, preload class C		411	N/µm
Calculation factors
Calculation factor	f	1.18
Calculation factor	f₁	0.99
Calculation factor	f_2A	1
Calculation factor	f_2B	1.04
Calculation factor	f_2C	1.07
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

1.1

Model Number: 71924 ACE/P4A
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:Liposuction device,chuck industry,construction machinery and equipment,Textile Accessories,Antenna Industry,plastic rolling,pump accessories,Animal Tracking,Medium and large motor,hydraulic pump,office outdoor camping equipment
Similar models:71924 CE/P4AH1 S71924 CE/P4A 71924 CE/HCP4AL 71924 ACB/HCP4AL 71924 ACB/P4AL 71924 ACE/P4A 71924 ACD/P4A 71924 CE/P4AL 71924 ACE/HCP4A 71924 CE/P4A
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Model No. Inner Diameter Outer Diameter Width Type

1550 VL R
592627
61914-2RZ
K 25x29x17
SYJ 513

Purchase the SKF 71924 ACE/P4A Please fill in the following

Hot number： 1650 VL V 1726203-2RS1 62211-2RS1 7001 CD/P4A 7020 ACB/P4AL 7020 ACE/HCP4AL BT4B 332943/HA4 C 2215 K FYTJ 30 KF GS 81132 H 3038 K 89426 M PCM 202330 E SAF 1518 x 3.1/4 TLC SAF 22638 x 6.13/16 TLC

Model No.	Inner Diameter	Outer Diameter	Width	Type
1550 VL R
592627
61914-2RZ
K 25x29x17
SYJ 513