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

71924 CE/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		31	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	47.5	kN
Basic static load rating	C₀	40.5	kN
Fatigue load limit	P_u	1.4	kN
Attainable speed for grease lubrication		12700	r/min
Attainable speed for oil-air lubrication		19000	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	250	N
Static axial stiffness, preload class A		91	N/µm
Preload class B	G_B	760	N
Static axial stiffness, preload class B		144	N/µm
Preload class C	G_C	1530	N
Static axial stiffness, preload class C		198	N/µm
Calculation factors
Calculation factor	f	1.18
Calculation factor	f₁	1
Calculation factor	f_2A	1
Calculation factor	f_2B	1.05
Calculation factor	f_2C	1.09
Calculation factor	f_HC	1.01
Calculation factor	f₀	8.5

Mass

Mass bearing

0.93

Model Number: 71924 CE/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：2026-04-17
Application:Vertical machining,stamping die and its equipment,Performance test,tobacco machinery,marine analysis and testing equipment,equipment,Hair styling device,Flame Cutting,Material handling equipment,wall industry,extruder
Similar models:71924 CB/HCP4AL 71924 CE/P4AL 71924 CD/HCP4AH1 71924 ACE/P4AH1 71924 ACE/HCP4AH1 71924 ACE/HCP4A 71924 ACD/P4A 71924 ACB/HCP4A S71924 CE/P4A 71924 ACE/P4AL
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