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

71924 CD/HCP4A

Dimensions

d		120	mm
D		165	mm
B		22	mm
d₁		133.9	mm
d₂		133.9	mm
D₁		151.1	mm
r_1,2	min.	1.1	mm
r_3,4	min.	0.6	mm
a		30.2	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	78	kN
Basic static load rating	C₀	91.5	kN
Fatigue load limit	P_u	3.25	kN
Attainable speed for grease lubrication		9000	r/min
Attainable speed for oil-air lubrication		14000	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	290	N
Static axial stiffness, preload class A		141	N/µm
Preload class B	G_B	580	N
Static axial stiffness, preload class B		193	N/µm
Preload class C	G_C	1160	N
Static axial stiffness, preload class C		273	N/µm
Preload class D	G_D	2320	N
Static axial stiffness, preload class D		401	N/µm
Calculation factors
Calculation factor	f	1.26
Calculation factor	f₁	1
Calculation factor	f_2A	1
Calculation factor	f_2B	1.07
Calculation factor	f_2C	1.12
Calculation factor	f_2D	1.18
Calculation factor	f_HC	1.04
Calculation factor	f₀	16.5

Mass

Mass bearing

0.99

Model Number: 71924 CD/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：2026-04-16
Application:key lock,plastic molding,Storage Tool,stirrer,Equipment,Digital Generator,Anesthetic Equipment,Other Machine Tools,sample cup,garden machinery,SPA equipment
Similar models:71924 CB/P4A 71924 CD/HCP4AH1 71924 CB/P4AL S71924 ACB/HCP4A 71924 ACD/P4A S71924 ACE/HCP4A S71924 ACB/P4A S71924 ACD/HCP4A 71924 CE/HCP4AH1 71924 ACB/P4AL
BEARING POWER International Trading Co.,Ltd. specialize in 71924CD/HCP4A products，there is large inventory of SKF 71924 CD/HCP4A 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 CD/HCP4A Which SKF 71924CD/HCP4A 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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