Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF S71901 CD/HCP4A

S71901 CD/HCP4A

Dimensions

d		12	mm
D		24	mm
B		6	mm
d₁		16	mm
d₂		16	mm
D₂		21.8	mm
r_1,2	min.	0.3	mm
r_3,4	min.	0.2	mm
a		5.4	mm

Abutment dimensions

d_a	min.	14	mm
d_a	max.	15.6	mm
d_b	min.	14	mm
d_b	max.	15.6	mm
D_a	max.	22	mm
D_b	max.	22.6	mm
r_a	max.	0.3	mm
r_b	max.	0.2	mm

Calculation data

Basic dynamic load rating	C	2.65	kN
Basic static load rating	C₀	1.25	kN
Fatigue load limit	P_u	0.053	kN
Attainable speed for grease lubrication		75000	r/min
Ball diameter	D_w	3.175	mm
Number of balls	z	13
Preload and stiffness (back-to-back, face-to-face)
Preload class A	G_A	10	N
Static axial stiffness, preload class A		14	N/µm
Preload class B	G_B	20	N
Static axial stiffness, preload class B		19	N/µm
Preload class C	G_C	40	N
Static axial stiffness, preload class C		26	N/µm
Preload class D	G_D	80	N
Static axial stiffness, preload class D		37	N/µm
Calculation factors
Calculation factor	f	1.04
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	9.8

Mass

Mass bearing

0.01

Model Number: S71901 CD/HCP4A
Inner Diameter：12mm Outer Diameter：24mm Width：6mm
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:other rubber,thin metal materials,experimental equipment,electromagnetic clutch,Special Equipment,glass processing machine,machine tool spindle,non-motor vehicle Electric car,Antenna Industry,steam Hydraulic control element,safety testing
Similar models:71901 ACD/P4A 71901 ACD/HCP4A 71901 CE/HCP4AH 71901 CD/P4A 71901 ACE/P4A S71901 CD/HCP4A 71901 ACE/HCP4AH S71901 CD/P4A 71901 CE/HCP4A 71901 CD/HCP4A
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Model No.	Inner Diameter	Outer Diameter	Width	Type
BD-24144 CCK30/W33-AOH 24144	200	370	150	Bearings, units and housings
592626	222.25	254	15.88	Seals
6005-2RSLTN9/HC5C3WT	25	47	12	Bearings, units and housings
6016-Z	80	125	22	Bearings, units and housings
6018-Z	90	140	24	Bearings, units and housings
7022 CB/HCP4A	110	170	28	Bearings, units and housings
7206 ACD/HCP4A	30	62	16	Bearings, units and housings
99625	158.75	168.275	31.75	Seals
FYTB 1.5/16 TF	33.338	-	-	Bearings, units and housings
HA 2340	182.5625	250	176	Bearings, units and housings
HJ 2328 EC	140	195.6	31	Bearings, units and housings
LS 6085	60	85	4.75	Bearings, units and housings

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Hot number： 11800 17310 249/950 CAK30/W33 32 VS R 57x67x7 HMS5 RG 61864 BC2B 316521 BC2B 320075 FYE 1 11/16 KML 34 MVR1-105 NATR 35 PPXA NJ 326 ECM NJG 309 VH S7017 CB/HCP4A