Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF S7205 CD/HCP4A

S7205 CD/HCP4A

Dimensions

d		25	mm
D		52	mm
B		15	mm
d₁		34.1	mm
d₂		34.1	mm
D₂		45.9	mm
r_1,2	min.	1	mm
r_3,4	min.	0.3	mm
a		12.8	mm

Abutment dimensions

d_a	min.	30.6	mm
d_a	max.	33.5	mm
d_b	min.	30.6	mm
d_b	max.	33.5	mm
D_a	max.	46.4	mm
D_b	max.	49.6	mm
r_a	max.	1	mm
r_b	max.	0.3	mm

Calculation data

Basic dynamic load rating	C	13.5	kN
Basic static load rating	C₀	7.2	kN
Fatigue load limit	P_u	0.305	kN
Attainable speed for grease lubrication		38000	r/min
Ball diameter	D_w	7.938	mm
Number of balls	z	13
Preload and stiffness (back-to-back, face-to-face)
Preload class A	G_A	50	N
Static axial stiffness, preload class A		32	N/µm
Preload class B	G_B	100	N
Static axial stiffness, preload class B		42	N/µm
Preload class C	G_C	200	N
Static axial stiffness, preload class C		58	N/µm
Preload class D	G_D	400	N
Static axial stiffness, preload class D		80	N/µm
Calculation factors
Calculation factor	f	1.03
Calculation factor	f₁	1
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	f₀	9.1

Mass

Mass bearing

0.12

Model Number: S7205 CD/HCP4A
Inner Diameter：25mm Outer Diameter：52mm Width：15mm
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：2021-06-10
Application:defogging and degreasing,instrumentation instrument,chamfer,metallurgical mold,medical equipment,Display Devices,thin metal materials,equipment,Storage Tool,machine lathe,granulator
Similar models:7205 BEGBY S7205 CD/HCP4A 7205 BEP 7205 ACD/HCP4A 7205 ACD/P4A 7205 ACCBM 7205 CD/P4A 7205 BECBM 7205 BEGAY S7205 ACD/P4A
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Model No.	Inner Diameter	Outer Diameter	Width	Type
19301	49.2252	73.03	7.95	Seals
BD-22315 EK-H 2315	65	160	55	Bearings, units and housings
29448 E	240	440	122	Bearings, units and housings
6204-2RSL	20	47	14	Bearings, units and housings
7208 CD/HCP4A	40	80	18	Bearings, units and housings
85367	-	-	53.98	Seals
AOHX 32/600 G	570	600	445	Bearings, units and housings
N 308 ECP	40	90	23	Bearings, units and housings
NA 2204.2RS	20	47	17.8	Bearings, units and housings
NUP 2216 ECP	80	140	33	Bearings, units and housings
SAF 22609	36.5125	-	-	Bearings, units and housings
SAF 23040 KA x 7.1/4	184.15	-	-	Bearings, units and housings

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