Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF 7018 ACE/P4A

7018 ACE/P4A

Dimensions

d		90	mm
D		140	mm
B		24	mm
d₁		108.33	mm
d₂		105.5	mm
D₁		121.66	mm
r_1,2	min.	1.5	mm
r_3,4	min.	1	mm
a		39	mm

Abutment dimensions

d_a	min.	97	mm
d_b	min.	97	mm
D_a	max.	133	mm
D_b	max.	134.4	mm
r_a	max.	1.5	mm
r_b	max.	1	mm
d_n		111	mm

Calculation data

Basic dynamic load rating	C	33.8	kN
Basic static load rating	C₀	30	kN
Fatigue load limit	P_u	1.2	kN
Attainable speed for grease lubrication		12000	r/min
Attainable speed for oil-air lubrication		19000	r/min
Ball diameter	D_w	11.112	mm
Number of balls	z	28
Reference grease quantity	G_ref	14	cm³
Preload and stiffness (back-to-back, face-to-face)
Preload class A	G_A	300	N
Static axial stiffness, preload class A		196	N/µm
Preload class B	G_B	920	N
Static axial stiffness, preload class B		297	N/µm
Preload class C	G_C	1840	N
Static axial stiffness, preload class C		389	N/µm
Calculation factors
Calculation factor	f	1.1
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

1.2

Model Number: 7018 ACE/P4A
Inner Diameter：90mm Outer Diameter：140mm Width：24mm
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：2026-06-24
Application:Anesthetic Equipment,knitted fabrics,machine tool spindle,medical equipment,Broadcasting System,safety testing,sample cup,hinge industry,Garment Accessories,Microwave Equipment,forming machine
Similar models:7018 CD/P4A 7018 CD/HCP4A 7018 ACD/P4A S7018 ACE/P4A 7018 ACD/HCP4AH1 S7018 CD/HCP4A S7018 CD/P4A 7018 CB/P4AL 7018 ACE/P4AH1 7018 ACD/P4AL
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Model No. Inner Diameter Outer Diameter Width Type

400280
BS2-2226-2CS5/VT143
FYWR 1.7/16 YTHR
IR 30x35x16
NU 1006

Purchase the SKF 7018 ACE/P4A Please fill in the following

Hot number： 1204 ETN9 16016 20044 22380 CAK/W33 22394 30326 6202-RSH FSAF 1515 IR 17x20x20 KM 10 NN 3092 K/SPW33 NU 212 ECM/C3VL0241 PCM 859060 M S7008 CD/P4A SAFS 23034 KAT x 5.15/16

Model No.	Inner Diameter	Outer Diameter	Width	Type
400280
BS2-2226-2CS5/VT143
FYWR 1.7/16 YTHR
IR 30x35x16
NU 1006