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

S71901 ACD/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		7.3	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	2.55	kN
Basic static load rating	C₀	1.18	kN
Fatigue load limit	P_u	0.05	kN
Attainable speed for grease lubrication		67000	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	15	N
Static axial stiffness, preload class A		34	N/µm
Preload class B	G_B	30	N
Static axial stiffness, preload class B		44	N/µm
Preload class C	G_C	60	N
Static axial stiffness, preload class C		57	N/µm
Preload class D	G_D	120	N
Static axial stiffness, preload class D		76	N/µm
Calculation factors
Calculation factor	f	1.04
Calculation factor	f₁	0.98
Calculation factor	f_2A	1
Calculation factor	f_2B	1.07
Calculation factor	f_2C	1.12
Calculation factor	f_2D	1.17
Calculation factor	f_HC	1.04
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

0.01

Model Number: S71901 ACD/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:hot and cold box,squeeze machine etc,tire industry,tube,non-motor vehicle Electric car,plastic molding,sterilizers,Industry,Industrial,packing equipment,standing experimental equipment
Similar models:71901 CD/HCP4A 71901 ACE/P4A S71901 CD/HCP4A S71901 ACD/HCP4A 71901 CE/HCP4A 71901 ACD/P4A 71901 ACD/HCP4A 71901 ACE/HCP4A S71901 ACD/P4A 71901 CD/P4A
BEARING POWER International Trading Co.,Ltd. specialize in S71901ACD/HCP4A products，there is large inventory of SKF S71901 ACD/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 S71901 ACD/HCP4A Which SKF S71901ACD/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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