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

7009 ACB/P4A

Dimensions

d		45	mm
D		75	mm
B		16	mm
d₁		56.44	mm
d₂		55.17	mm
D₂		65.58	mm
r_1,2	min.	1	mm
r_3,4	min.	0.6	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.	71.8	mm
r_a	max.	1	mm
r_b	max.	0.6	mm
d_n		57.2	mm

Calculation data

Basic dynamic load rating	C	12.1	kN
Basic static load rating	C₀	11.4	kN
Fatigue load limit	P_u	0.285	kN
Attainable speed for grease lubrication		24000	r/min
Attainable speed for oil-air lubrication		36000	r/min
Ball diameter	D_w	5.556	mm
Number of balls	z	25
Reference grease quantity	G_ref	2.93	cm³
Preload and stiffness (back-to-back, face-to-face)
Preload class A	G_A	54	N
Static axial stiffness, preload class A		79	N/µm
Preload class B	G_B	110	N
Static axial stiffness, preload class B		103	N/µm
Preload class C	G_C	330	N
Static axial stiffness, preload class C		157	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	1.04
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

0.26

Model Number: 7009 ACB/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：2026-07-31
Application:instrument,woodworking machinery,E Beauty,Safety protection,lifting chain,medical Equipment,static control,stirrer,ship special,machining,metallurgy
Similar models:S7009 CB/P4A 7009 ACE/P4A 7009 CE/HCP4AL 7009 ACE/P4AL 7009 CB/P4A S7009 ACB/P4A 7009 CE/P4A 7009 ACE/HCP4A 7009 CE/HCP4AL1 S7009 ACD/P4A
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Model No. Inner Diameter Outer Diameter Width Type

628/5-2Z
FYTB 20 TR
NCF 3010 CV
NKI 55/35
SAKB 6 F

Purchase the SKF 7009 ACB/P4A Please fill in the following

Hot number： 18979 47487/47420 524212 537/532 X 72570 85x150x12 HMS5 RG AXK 3047 BD-C 2314 K-H 2314 G 14x22x3 IR 130x150x50 NKI 17/20 SAFS 22517-11 x 3 T SSAFS 23034 KA x 6 SYR 1 1/2 YSPAG 205

Model No.	Inner Diameter	Outer Diameter	Width	Type
628/5-2Z
FYTB 20 TR
NCF 3010 CV
NKI 55/35
SAKB 6 F