Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF 7018 ACE/HCP4AH1

7018 ACE/HCP4AH1

Dimensions

d		90	mm
D		140	mm
B		24	mm
d₁		108.33	mm
d₂		105.5	mm
D₁		121.66	mm
K		0.5	mm
C₁		8.33	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		14000	r/min
Attainable speed for oil-air lubrication		22000	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		218	N/µm
Preload class B	G_B	920	N
Static axial stiffness, preload class B		329	N/µm
Preload class C	G_C	1840	N
Static axial stiffness, preload class C		432	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	1.01
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

1.11

Model Number: 7018 ACE/HCP4AH1
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：2026-08-18
Application:forming machine,plastic molding,motor,luminescent reagent,lathe,medical equipment,roller lathe,casting embedding,Broadcasting System,wire industry,printing equipment
Similar models:7018 ACB/HCP4A S7018 ACB/HCP4A 7018 ACB/HCP4AL 7018 CE/P4AL 7018 ACE/P4AH1 S7018 ACE/P4A 7018 CE/HCP4AL1 S7018 CD/P4A 7018 ACB/P4A 7018 CE/P4A
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Model No. Inner Diameter Outer Diameter Width Type

71916 CE/P4AH1
90891
NUP 305 ECJ
PSM 121608 A51
SNP 3156x10.7/16

Purchase the SKF 7018 ACE/HCP4AH1 Please fill in the following

Hot number： 16814 16891 33214 6379/K-6320 7214 CD/HCP4A 99552 C 41/560 K30MB FY 3/4 TF/VA201 K 80x88x46 ZW NU 316 ECJ SAF 22530 x 5.3/8 SAF 22632 SAW 23534 x 5.7/8 TLC SNL 3076 TURT SSAFS 22528 x 4.13/16

Model No.	Inner Diameter	Outer Diameter	Width	Type
71916 CE/P4AH1
90891
NUP 305 ECJ
PSM 121608 A51
SNP 3156x10.7/16