Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF S7002 ACE/HCP4A

S7002 ACE/HCP4A

Dimensions

d		15	mm
D		32	mm
B		9	mm
d₁		20.65	mm
d₂		19.5	mm
D₂		28.8	mm
r_1,2	min.	0.3	mm
r_3,4	min.	0.15	mm
a		10.1	mm

Abutment dimensions

d_a	min.	17	mm
d_a	max.	20.3	mm
d_b	min.	17	mm
d_b	max.	19.1	mm
D_a	max.	30	mm
D_b	max.	30.6	mm
r_a	max.	0.3	mm
r_b	max.	0.15	mm

Calculation data

Basic dynamic load rating	C	4.23	kN
Basic static load rating	C₀	1.83	kN
Fatigue load limit	P_u	0.078	kN
Attainable speed for grease lubrication		75000	r/min
Ball diameter	D_w	4.762	mm
Number of balls	z	12
Preload and stiffness (back-to-back, face-to-face)
Preload class A	G_A	38	N
Static axial stiffness, preload class A		44	N/µm
Preload class B	G_B	115	N
Static axial stiffness, preload class B		66	N/µm
Preload class C	G_C	230	N
Static axial stiffness, preload class C		73	N/µm
Calculation factors
Calculation factor	f	1.03
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

0.026

Model Number: S7002 ACE/HCP4A
Inner Diameter：15mm Outer Diameter：32mm Width：9mm
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:lathe,Laser Measurements,Leather Products,magnetic elements,die casting mold,hydraulic control element,Machine Tool Accessories,electronic components,drawing die,machining,plastic rolling
Similar models:S7002 ACD/HCP4A 7002 CD/P4AH S7002 ACE/P4A S7002 ACD/P4A S7002 CD/P4A S7002 ACE/HCP4A 7002 CE/HCP4A 7002 CE/P4A 7002 CD/HCP4A 7002 CE/P4AH
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