Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF S71924 CD/P4A

S71924 CD/P4A

Dimensions

d		120	mm
D		165	mm
B		22	mm
d₁		133.9	mm
d₂		133.9	mm
D₂		154.05	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_a	max.	133.3	mm
d_b	min.	126	mm
d_b	max.	133.3	mm
D_a	max.	159	mm
D_b	max.	161	mm
r_a	max.	1	mm
r_b	max.	0.6	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		7500	r/min
Ball diameter	D_w	14.288	mm
Number of balls	z	28
Preload and stiffness (back-to-back, face-to-face)
Preload class A	G_A	290	N
Static axial stiffness, preload class A		127	N/µm
Preload class B	G_B	580	N
Static axial stiffness, preload class B		174	N/µm
Preload class C	G_C	1160	N
Static axial stiffness, preload class C		246	N/µm
Preload class D	G_D	2320	N
Static axial stiffness, preload class D		361	N/µm
Calculation factors
Calculation factor	f	1.26
Calculation factor	f₁	1
Calculation factor	f_2A	1
Calculation factor	f_2B	1.04
Calculation factor	f_2C	1.09
Calculation factor	f_2D	1.15
Calculation factor	f_HC	1
Calculation factor	f₀	16.5

Mass

Mass bearing

1.21

Model Number: S71924 CD/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：2025-12-09
Application:instrumentation instrument,lathe,Optical detection,spring industry,storage shelves,electrocardiograph,Industrial,Industrial,medical equipment,tower crane,Roller
Similar models:71924 CD/HCP4A 71924 ACE/P4AL S71924 CB/P4A 71924 ACE/HCP4AH1 71924 ACB/HCP4A 71924 ACD/P4AL 71924 CB/HCP4A 71924 CD/P4AL 71924 CE/HCP4A S71924 CD/P4A
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Hot number： 15190 231/800 CAK/W33 35x62x8 CRW1 R 6017 NR 7024 CB/HCP4A 90221 99482 AOH 240/670 G K 24x28x13 KMTA 20 LM 12749/710 NJ 226 ECP NK 5/12 TN NKIB 5914 W 602 X-2ZS