Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF 7018 ACB/HCP4A

7018 ACB/HCP4A

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		13000	r/min
Attainable speed for oil-air lubrication		20000	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		159	N/µm
Preload class B	G_B	320	N
Static axial stiffness, preload class B		203	N/µm
Preload class C	G_C	960	N
Static axial stiffness, preload class C		307	N/µm
Calculation factors
Calculation factor	f	1.07
Calculation factor	f₁	0.99
Calculation factor	f_2A	1
Calculation factor	f_2B	1.02
Calculation factor	f_2C	1.05
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

1.18

Model Number: 7018 ACB/HCP4A
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：2026-08-19
Application:air conditioning tools,Optical detection,switch,pump industry,Insect Capture,paint paint,walking Food processing machinery and equipment,lathe,bag machine,thread processing machine,security equipment
Similar models:7018 ACD/P4A 7018 CD/P4AH1 S7018 CB/HCP4A S7018 ACD/HCP4A 7018 ACE/P4A 7018 CD/P4A 7018 ACE/P4AH1 7018 CE/P4A S7018 CD/HCP4A 7018 ACD/HCP4A
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Model No. Inner Diameter Outer Diameter Width Type

29208
3313 A-2Z
707 CD/HCP4AH
K 25x33x20
YAR 213-211-2F

Purchase the SKF 7018 ACB/HCP4A Please fill in the following

Hot number： 11550 155x180x15 HMSA10 RG 22336 CCJA/W33VA406 20428 207 NR 28x45x8 HMS5 V 3900540 53412 M + U 412 6217 N 71916 ACE/HCP4AL 7224 ACD/HCP4A FYJ 60 KF K 21x25x13 NJ 211 ECP W 636-2RZ

Model No.	Inner Diameter	Outer Diameter	Width	Type
29208
3313 A-2Z
707 CD/HCP4AH
K 25x33x20
YAR 213-211-2F