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

7009 ACE/P4A

Dimensions

d		45	mm
D		75	mm
B		16	mm
d₁		55.7	mm
d₂		53.6	mm
D₁		64.25	mm
r_1,2	min.	1	mm
r_3,4	min.	0.6	mm
a		22.2	mm

Abutment dimensions

d_a	min.	49.6	mm
d_b	min.	49.6	mm
D_a	max.	70.4	mm
D_b	max.	70.8	mm
r_a	max.	1	mm
r_b	max.	0.6	mm
d_n		57.6	mm

Calculation data

Basic dynamic load rating	C	12.1	kN
Basic static load rating	C₀	8.15	kN
Fatigue load limit	P_u	0.345	kN
Attainable speed for grease lubrication		24000	r/min
Attainable speed for oil-air lubrication		37000	r/min
Ball diameter	D_w	7.144	mm
Number of balls	z	21
Reference grease quantity	G_ref	3.4	cm³
Preload and stiffness (back-to-back, face-to-face)
Preload class A	G_A	110	N
Static axial stiffness, preload class A		94	N/µm
Preload class B	G_B	330	N
Static axial stiffness, preload class B		140	N/µm
Preload class C	G_C	660	N
Static axial stiffness, preload class C		183	N/µm
Calculation factors
Calculation factor	f	1.06
Calculation factor	f₁	0.99
Calculation factor	f_2A	1
Calculation factor	f_2B	1.03
Calculation factor	f_2C	1.06
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

0.24

Model Number: 7009 ACE/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:noise inspection,Air,Rolling mill gear box,directional control valve,engine,intermediate,Automation,Pump,van,Logistics Equipment,switch
Similar models:S7009 CB/P4A 7009 CB/P4A 7009 ACE/HCP4AL1 7009 ACD/HCP4AH S7009 ACD/P4A 7009 ACE/P4A 7009 CE/HCP4AL1 7009 ACD/P4A 7009 CD/P4AH 7009 CE/P4AL1
BEARING POWER International Trading Co.,Ltd. specialize in 7009ACE/P4A products，there is large inventory of SKF 7009 ACE/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 ACE/P4A Which SKF 7009ACE/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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