Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF S7209 ACD/HCP4A

S7209 ACD/HCP4A

Dimensions

d		45	mm
D		85	mm
B		19	mm
d₁		57.3	mm
d₂		57.3	mm
D₂		75.7	mm
r_1,2	min.	1.1	mm
r_3,4	min.	0.6	mm
a		24.8	mm

Abutment dimensions

d_a	min.	52	mm
d_a	max.	56.5	mm
d_b	min.	52	mm
d_b	max.	56.5	mm
D_a	max.	78	mm
D_b	max.	80.8	mm
r_a	max.	1	mm
r_b	max.	0.6	mm

Calculation data

Basic dynamic load rating	C	41	kN
Basic static load rating	C₀	30	kN
Fatigue load limit	P_u	1.25	kN
Attainable speed for grease lubrication		17000	r/min
Ball diameter	D_w	12.7	mm
Number of balls	z	14
Preload and stiffness (back-to-back, face-to-face)
Preload class A	G_A	260	N
Static axial stiffness, preload class A		162	N/µm
Preload class B	G_B	520	N
Static axial stiffness, preload class B		211	N/µm
Preload class C	G_C	1040	N
Static axial stiffness, preload class C		280	N/µm
Preload class D	G_D	2080	N
Static axial stiffness, preload class D		378	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

0.35

Model Number: S7209 ACD/HCP4A
Inner Diameter：45mm Outer Diameter：85mm Width：19mm
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:Dental Equipment,medical equipment,Infrared Technology,garbage disposal,building decoration raw materials and accessories,motor,blood cell reagent,bag machine,Medium and large motor,sheet industry,paper processing machine
Similar models:7209 BEGAP 7209 BEGAPH S7209 CD/HCP4A 7209 BEGAY S7209 ACD/HCP4A 7209 BE-2RZP 7209 CD/P4A 7209 BEP 7209 CD/HCP4A 7209 BECBP
BEARING POWER International Trading Co.,Ltd. specialize in S7209ACD/HCP4A products，there is large inventory of SKF S7209 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 S7209 ACD/HCP4A Which SKF S7209ACD/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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