Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF S7203 ACD/HCP4A

S7203 ACD/HCP4A

Dimensions

d		17	mm
D		40	mm
B		12	mm
d₁		24.1	mm
d₂		24.1	mm
D₂		34.4	mm
r_1,2	min.	0.6	mm
r_3,4	min.	0.3	mm
a		12.8	mm

Abutment dimensions

d_a	min.	21.2	mm
d_a	max.	23.5	mm
d_b	min.	21.2	mm
d_b	max.	23.5	mm
D_a	max.	35.8	mm
D_b	max.	37.6	mm
r_a	max.	0.6	mm
r_b	max.	0.3	mm

Calculation data

Basic dynamic load rating	C	8.84	kN
Basic static load rating	C₀	4	kN
Fatigue load limit	P_u	0.17	kN
Attainable speed for grease lubrication		45000	r/min
Ball diameter	D_w	7.144	mm
Number of balls	z	10
Preload and stiffness (back-to-back, face-to-face)
Preload class A	G_A	60	N
Static axial stiffness, preload class A		59	N/µm
Preload class B	G_B	120	N
Static axial stiffness, preload class B		76	N/µm
Preload class C	G_C	240	N
Static axial stiffness, preload class C		99	N/µm
Preload class D	G_D	480	N
Static axial stiffness, preload class D		131	N/µm
Calculation factors
Calculation factor	f	1.03
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

0.056

Model Number: S7203 ACD/HCP4A
Inner Diameter：17mm Outer Diameter：40mm Width：12mm
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:expectoration machine,hot and cold box,reducer,historical instruments,auto tools,Forging machine,climb ladder,tapered grinder,Other Measurements,Machine Tool Accessories,metering pump
Similar models:7203 CD/P4A 7203 CD/HCP4A 7203 BECBM 7203 ACCBM S7203 ACD/HCP4A 7203 ACD/HCP4A S7203 ACD/P4A 7203 BEY S7203 CD/HCP4A 7203 BE-2RZP
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