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

S7018 ACE/P4A

Dimensions

d		90	mm
D		140	mm
B		24	mm
d₁		108.33	mm
d₂		105.5	mm
D₂		125.2	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.	107.6	mm
d_b	min.	97	mm
d_b	max.	104.8	mm
D_a	max.	133	mm
D_b	max.	134.4	mm
r_a	max.	1.5	mm
r_b	max.	1	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
Ball diameter	D_w	11.112	mm
Number of balls	z	28
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

1.25

Model Number: S7018 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：2026-04-16
Application:Food testing,Blood coagulation reagent,relay,Industrial Electromechanical,bathroom facilities,coal mill,medical equipment,bag machine,agrochemical,van,Insect Count
Similar models:7018 CB/HCP4A 7018 CE/HCP4AH1 7018 ACE/HCP4AL1 7018 ACD/HCP4AH1 7018 CE/HCP4A 7018 CD/HCP4AL 7018 ACE/P4AL 7018 CE/P4AL1 7018 ACB/P4A 7018 CB/P4AL
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Model No.	Inner Diameter	Outer Diameter	Width	Type
18x40x7 HMS5 V	18	40	7	Seals
22x40x10 HMS5 RG	22	40	10	Seals
2303 M	17	47	19	Bearings, units and housings
30317	85	180	44.5	Bearings, units and housings
7018 ACD/P4A	90	140	24	Bearings, units and housings
99700	177.8	189.865	31.75	Seals
BT2B 332494/HA5	863.6	1371.6	-	Bearings, units and housings
FYJ 55 TF	55	-	-	Bearings, units and housings
FYTBK 30 TF	30	-	-	Bearings, units and housings
NK 37/20	37	47	20	Bearings, units and housings
PCM 353950 E	35	39	50	Bearings, units and housings
W 617/5	5	8	2	Bearings, units and housings

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Hot number： 23252 CCK/W33 61914 7008 CD/P4AH C 2222 K FYRP 2 11/16-18 GEC 710 FBAS N 322 ECM IR 10X14X12 IS1 IR 20X25X16 IS1 K 55x62x18 NATV 5 PPXA NK 22/16 NU 218 ECM SAF 1507 x 1.1/8 W 618/8