Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF 7001 ACE/HCP4A

7001 ACE/HCP4A

Dimensions

d		12	mm
D		28	mm
B		8	mm
d₁		17.5	mm
d₂		16.5	mm
D₁		22.45	mm
r_1,2	min.	0.3	mm
r_3,4	min.	0.15	mm
a		8.8	mm

Abutment dimensions

d_a	min.	14	mm
d_b	min.	14	mm
D_a	max.	26	mm
D_b	max.	26.6	mm
r_a	max.	0.3	mm
r_b	max.	0.15	mm
d_n		18.5	mm

Calculation data

Basic dynamic load rating	C	3.07	kN
Basic static load rating	C₀	1.27	kN
Fatigue load limit	P_u	0.054	kN
Attainable speed for grease lubrication		88000	r/min
Attainable speed for oil-air lubrication		133000	r/min
Ball diameter	D_w	3.969	mm
Number of balls	z	12
Reference grease quantity	G_ref	0.31	cm³
Preload and stiffness (back-to-back, face-to-face)
Preload class A	G_A	28	N
Static axial stiffness, preload class A		37	N/µm
Preload class B	G_B	85	N
Static axial stiffness, preload class B		56	N/µm
Preload class C	G_C	170	N
Static axial stiffness, preload class C		73	N/µm
Calculation factors
Calculation factor	f	1.02
Calculation factor	f₁	0.99
Calculation factor	f_2A	1
Calculation factor	f_2B	1.03
Calculation factor	f_2C	1.06
Calculation factor	f_HC	1.01
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

0.019

Model Number: 7001 ACE/HCP4A
Inner Diameter：12mm Outer Diameter：28mm Width：8mm
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：2026-06-24
Application:office outdoor camping equipment,Machine tools,cleaning agent,Pest Monitoring,construction machinery and equipment,labor insurance,directional control valve,vacuum filter,Infrared Technology,Beauty and Body,food packaging
Similar models:7001 ACD/HCP4A 7001 CD/P4AH 7001 CD/HCP4A S7001 CD/P4A 7001 ACE/HCP4A S7001 ACD/HCP4A 7001 CE/HCP4A 7001 CE/P4AH 7001 CE/HCP4AH S7001 ACD/P4A
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Model No. Inner Diameter Outer Diameter Width Type

400120
51422 M
71913 ACE/P4A
SAW 23238 TLC
SNL 3196 TURT

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Hot number： 15920 305801 C-2Z 51232 M 6007/HR11TN 6311-2RSH 85979 BT4B 334042 G/HA1VA901 CRM 20 A FSAF 22215 GEG 40 ES MB 17 PCM 374020 M SAF 22510 x 1.5/8 SIR 80 ES W 619/6 X-2RZ

Model No.	Inner Diameter	Outer Diameter	Width	Type
400120
51422 M
71913 ACE/P4A
SAW 23238 TLC
SNL 3196 TURT