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

71924 ACB/P4A

Dimensions

d		120	mm
D		165	mm
B		22	mm
d₁		136.92	mm
d₂		135	mm
D₂		151.9	mm
r_1,2	min.	1.1	mm
r_3,4	min.	0.6	mm
a		49.2	mm

Abutment dimensions

d_a	min.	126	mm
d_b	min.	126	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		138.2	mm

Calculation data

Basic dynamic load rating	C	33.8	kN
Basic static load rating	C₀	45	kN
Fatigue load limit	P_u	1.02	kN
Attainable speed for grease lubrication		9000	r/min
Attainable speed for oil-air lubrication		14000	r/min
Ball diameter	D_w	8.731	mm
Number of balls	z	41
Reference grease quantity	G_ref	14.01	cm³
Preload and stiffness (back-to-back, face-to-face)
Preload class A	G_A	155	N
Static axial stiffness, preload class A		188	N/µm
Preload class B	G_B	310	N
Static axial stiffness, preload class B		243	N/µm
Preload class C	G_C	930	N
Static axial stiffness, preload class C		366	N/µm
Calculation factors
Calculation factor	f	1.13
Calculation factor	f₁	0.99
Calculation factor	f_2A	1
Calculation factor	f_2B	1.02
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

1.27

Model Number: 71924 ACB/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：2026-04-16
Application:Performance test,food / grain / food equipment,dye pigments,surgical instruments,mathematical instruments,hot and cold box,Technical Equipment,instrumentation instrument,power source,squeeze machine etc,food packaging
Similar models:S71924 CD/P4A 71924 ACB/HCP4A S71924 CE/HCP4A 71924 ACE/P4AH1 71924 ACD/HCP4AH1 71924 ACE/P4AL 71924 CB/P4AL 71924 CD/HCP4A 71924 ACB/P4AL S71924 ACD/HCP4A
BEARING POWER International Trading Co.,Ltd. specialize in 71924ACB/P4A products，there is large inventory of SKF 71924 ACB/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 71924 ACB/P4A Which SKF 71924ACB/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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