Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF 7205 ACD/HCP4A

7205 ACD/HCP4A

Dimensions

d		25	mm
D		52	mm
B		15	mm
d₁		34.1	mm
d₂		34.1	mm
D₁		43.7	mm
r_1,2	min.	1	mm
r_3,4	min.	0.3	mm
a		16.7	mm

Abutment dimensions

d_a	min.	30.6	mm
d_b	min.	30.6	mm
D_a	max.	46.4	mm
D_b	max.	49.6	mm
r_a	max.	1	mm
r_b	max.	0.3	mm
d_n		36.1	mm

Calculation data

Basic dynamic load rating	C	13	kN
Basic static load rating	C₀	6.95	kN
Fatigue load limit	P_u	0.29	kN
Attainable speed for grease lubrication		32000	r/min
Attainable speed for oil-air lubrication		48000	r/min
Ball diameter	D_w	7.938	mm
Number of balls	z	13
Reference grease quantity	G_ref	1.872	cm³
Preload and stiffness (back-to-back, face-to-face)
Preload class A	G_A	80	N
Static axial stiffness, preload class A		79	N/µm
Preload class B	G_B	160	N
Static axial stiffness, preload class B		102	N/µm
Preload class C	G_C	320	N
Static axial stiffness, preload class C		133	N/µm
Preload class D	G_D	640	N
Static axial stiffness, preload class D		175	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

0.11

Model Number: 7205 ACD/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：2025-12-09
Application:plastic molding,pressure control valve,hydraulic control element,medical equipment,hydraulic actuator,directional control valve,Wire grinder,laser devices,vertical processing,training beds etc,hydraulic cylinder buffer
Similar models:7205 CD/HCP4A 7205 CD/P4A S7205 CD/HCP4A 7205 BECBP 7205 ACD/P4A 7205 BEGAY 7205 BE-2RZP S7205 CD/P4A S7205 ACD/P4A 7205 BECBPH
BEARING POWER International Trading Co.,Ltd. specialize in 7205ACD/HCP4A products，there is large inventory of SKF 7205 ACD/HCP4A Angular contact ball bearings, super-precision. We has been built up long-term cooperation with SKF company, could make a bulk order of the 7205 ACD/HCP4A Which SKF 7205ACD/HCP4A is the most authentic, must choose BEARING POWER, what a whole variety, reasonable price, guaranteed quality, prompt delivery via Global express. Any inquiry, never hesitate to E-mail or call +86-022-58519721 to contact us.

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