Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF 7009 ACD/P4A

7009 ACD/P4A

Dimensions

d		45	mm
D		75	mm
B		16	mm
d₁		54.2	mm
d₂		54.2	mm
D₁		65.8	mm
r_1,2	min.	1	mm
r_3,4	min.	0.3	mm
a		22.1	mm

Abutment dimensions

d_a	min.	49.6	mm
d_b	min.	49.6	mm
D_a	max.	70.4	mm
D_b	max.	73	mm
r_a	max.	1	mm
r_b	max.	0.3	mm
d_n		56.2	mm

Calculation data

Basic dynamic load rating	C	27.6	kN
Basic static load rating	C₀	21.6	kN
Fatigue load limit	P_u	0.9	kN
Attainable speed for grease lubrication		17000	r/min
Attainable speed for oil-air lubrication		26000	r/min
Ball diameter	D_w	9.525	mm
Number of balls	z	17
Reference grease quantity	G_ref	3.3	cm³
Preload and stiffness (back-to-back, face-to-face)
Preload class A	G_A	170	N
Static axial stiffness, preload class A		132	N/µm
Preload class B	G_B	340	N
Static axial stiffness, preload class B		173	N/µm
Preload class C	G_C	680	N
Static axial stiffness, preload class C		229	N/µm
Preload class D	G_D	1360	N
Static axial stiffness, preload class D		309	N/µm
Calculation factors
Calculation factor	f	1.09
Calculation factor	f₁	0.99
Calculation factor	f_2A	1
Calculation factor	f_2B	1.02
Calculation factor	f_2C	1.05
Calculation factor	f_2D	1.08
Calculation factor	f_HC	1
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

0.23

Model Number: 7009 ACD/P4A
Inner Diameter：45mm Outer Diameter：75mm Width：16mm
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:comprehensive experiment,Traffic Fire Protection Equipment Security equipment,municipal machinery,hook,organic raw materials,Infrared Technology,sawing machine,equipment,water,economic mold,Medical room equipment
Similar models:7009 CE/HCP4AL1 S7009 CB/HCP4A 7009 ACB/HCP4AL 7009 ACD/P4A 7009 ACD/HCP4AH 7009 ACE/HCP4A 7009 ACB/P4AL 7009 CE/P4A 7009 CE/P4AH1 7009 CB/HCP4A
BEARING POWER International Trading Co.,Ltd. specialize in 7009ACD/P4A products，there is large inventory of SKF 7009 ACD/P4A Angular contact ball bearings, super-precision. We has been built up long-term cooperation with SKF company, could make a bulk order of the 7009 ACD/P4A Which SKF 7009ACD/P4A 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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