Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF S7207 ACD/HCP4A

S7207 ACD/HCP4A

Dimensions

d		35	mm
D		72	mm
B		17	mm
d₁		46.8	mm
d₂		46.8	mm
D₂		63.2	mm
r_1,2	min.	1.1	mm
r_3,4	min.	0.3	mm
a		21.1	mm

Abutment dimensions

d_a	min.	42	mm
d_a	max.	46.2	mm
d_b	min.	42	mm
d_b	max.	46.2	mm
D_a	max.	65	mm
D_b	max.	69.6	mm
r_a	max.	1	mm
r_b	max.	0.3	mm

Calculation data

Basic dynamic load rating	C	30.7	kN
Basic static load rating	C₀	20.8	kN
Fatigue load limit	P_u	0.88	kN
Attainable speed for grease lubrication		20000	r/min
Ball diameter	D_w	11.112	mm
Number of balls	z	13
Preload and stiffness (back-to-back, face-to-face)
Preload class A	G_A	190	N
Static axial stiffness, preload class A		132	N/µm
Preload class B	G_B	380	N
Static axial stiffness, preload class B		171	N/µm
Preload class C	G_C	760	N
Static axial stiffness, preload class C		227	N/µm
Preload class D	G_D	1520	N
Static axial stiffness, preload class D		305	N/µm
Calculation factors
Calculation factor	f	1.05
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

0.24

Model Number: S7207 ACD/HCP4A
Inner Diameter：35mm Outer Diameter：72mm Width：17mm
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:Hydraulic Hose,coupling type,test strip,pneumatic,directional control valve,Forging machine,Cylinder Special,Display Devices,Body shaping,nail products,reducer
Similar models:S7207 ACD/P4A 7207 BE-2RZP 7207 BECBM 7207 CD/P4A 7207 ACD/HCP4A 7207 BECBP 7207 BECBY 7207 ACD/P4A S7207 ACD/HCP4A 7207 BEGBY
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RNU 1014 ECP	79.5	110	20	Bearings, units and housings
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Hot number： 208-ZNR 525035 7004 ACE/P4AH1 85045 C 3064 M CRM 22 A FSNL 516-613 HA 3136 L IR 28x32x30 NU 415 SAF 1613 TLC SAFS 22538 x 6.7/8 T SNW 3034x5.15/16 W 608 R W 63800 R