Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF S7213 ACD/HCP4A

S7213 ACD/HCP4A

Dimensions

d		65	mm
D		120	mm
B		23	mm
d₁		82.9	mm
d₂		82.9	mm
D₂		105.3	mm
r_1,2	min.	1.5	mm
r_3,4	min.	0.6	mm
a		33.2	mm

Abutment dimensions

d_a	min.	74	mm
d_a	max.	82.1	mm
d_b	min.	74	mm
d_b	max.	82.1	mm
D_a	max.	111	mm
D_b	max.	115.8	mm
r_a	max.	1.5	mm
r_b	max.	0.6	mm

Calculation data

Basic dynamic load rating	C	63.7	kN
Basic static load rating	C₀	51	kN
Fatigue load limit	P_u	2.2	kN
Attainable speed for grease lubrication		13000	r/min
Ball diameter	D_w	15.875	mm
Number of balls	z	15
Preload and stiffness (back-to-back, face-to-face)
Preload class A	G_A	400	N
Static axial stiffness, preload class A		209	N/µm
Preload class B	G_B	800	N
Static axial stiffness, preload class B		272	N/µm
Preload class C	G_C	1600	N
Static axial stiffness, preload class C		360	N/µm
Preload class D	G_D	3200	N
Static axial stiffness, preload class D		485	N/µm
Calculation factors
Calculation factor	f	1.07
Calculation factor	f₁	0.99
Calculation factor	f_2A	1
Calculation factor	f_2B	1.01
Calculation factor	f_2C	1.03
Calculation factor	f_2D	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

0.88

Model Number: S7213 ACD/HCP4A
Inner Diameter：65mm Outer Diameter：120mm Width：23mm
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:root canal filling,wall industry,office equipment,Industrial Electromechanical,drawing die,cooling system,cleaners,medical equipment,Machine Tool Accessories,Low-voltage electrical equipment,top industry
Similar models:S7213 CD/HCP4A 7213 BECBY 7213 CD/P4A 7213 BECBM S7213 ACD/HCP4A 7213 BEGAPH 7213 ACD/P4A 7213 CD/HCP4A 7213 BEGAP 7213 BEP
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