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

7018 ACB/P4A

Dimensions

d		90	mm
D		140	mm
B		24	mm
d₁		108.7	mm
d₂		106.13	mm
D₂		125	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.	135.4	mm
r_a	max.	1.5	mm
r_b	max.	1	mm
d_n		110	mm

Calculation data

Basic dynamic load rating	C	35.8	kN
Basic static load rating	C₀	40	kN
Fatigue load limit	P_u	0.93	kN
Attainable speed for grease lubrication		11000	r/min
Attainable speed for oil-air lubrication		17000	r/min
Ball diameter	D_w	10.319	mm
Number of balls	z	25
Reference grease quantity	G_ref	14.1	cm³
Preload and stiffness (back-to-back, face-to-face)
Preload class A	G_A	160	N
Static axial stiffness, preload class A		142	N/µm
Preload class B	G_B	320	N
Static axial stiffness, preload class B		183	N/µm
Preload class C	G_C	960	N
Static axial stiffness, preload class C		275	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	1.04
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

1.25

Model Number: 7018 ACB/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:packaging materials,standing experimental equipment,raw material accessories,atomizer class,axle lathe,paper processing machine,Vertical machining,ECG,Pneumatic Control Elements,industrial fans,Machine Tool Accessories
Similar models:7018 CB/HCP4A 7018 ACE/P4AL S7018 CD/HCP4A S7018 ACD/HCP4A 7018 ACB/HCP4AL S7018 ACB/P4A 7018 ACE/HCP4AH1 7018 ACE/P4AH1 S7018 CE/HCP4A S7018 CD/P4A
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Model No. Inner Diameter Outer Diameter Width Type

239/710 CAK/W33
30240/DF
500 VA V
5066
NJ 2228 ECML

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

Hot number： 13726 21309 E 241/1000 ECAF/W33 24128-2CS5K30/VT143 312-ZNR 39997 52210 80x110x10 HMSA10 V FYK 25 LD MB 10 NNU 49/670 B/SPW33X NU 409 SA 40 TXE-2LS SNP 3188x16.1/2 STO 25 X

Model No.	Inner Diameter	Outer Diameter	Width	Type
239/710 CAK/W33
30240/DF
500 VA V
5066
NJ 2228 ECML