Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF S7018 ACB/P4A

S7018 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_a	max.	107.9	mm
d_b	min.	97	mm
d_b	max.	105.3	mm
D_a	max.	133	mm
D_b	max.	135.4	mm
r_a	max.	1.5	mm
r_b	max.	1	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
Ball diameter	D_w	10.319	mm
Number of balls	z	25
Preload and stiffness (back-to-back, face-to-face)
Preload class A	G_A	246	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: S7018 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：2026-04-16
Application:Vacuum generator,raw material accessories,van,magnetic elements,Gas turbine,tray industry,Laser Measurements,plant determination,Tool,position switch,welding equipment
Similar models:7018 ACD/P4AL 7018 CE/HCP4AH1 7018 ACE/HCP4AL 7018 ACE/P4A 7018 CE/P4AH1 7018 ACD/HCP4A 7018 CB/HCP4AL 7018 ACD/P4AH1 7018 ACD/HCP4AL S7018 ACD/P4A
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Hot number： 1150550 1400 VRME R 15518 22340 CC/W33 230/750 CA/W33 470411 7002 CD/P4A 81245 FNL 505 B FY 35 FM HE 2338 NU 215 ECM/C3VL0241 RNA 4903.2RS SAF 1616 x 2.5/8 TLC SNL 3168