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

7018 ACD/P4A

Dimensions

d		90	mm
D		140	mm
B		24	mm
d₁		105.4	mm
d₂		105.4	mm
D₁		124.6	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.	136	mm
r_a	max.	1.5	mm
r_b	max.	1	mm
d_n		108.7	mm

Calculation data

Basic dynamic load rating	C	74.1	kN
Basic static load rating	C₀	72	kN
Fatigue load limit	P_u	2.85	kN
Attainable speed for grease lubrication		8500	r/min
Attainable speed for oil-air lubrication		13000	r/min
Ball diameter	D_w	15.875	mm
Number of balls	z	20
Reference grease quantity	G_ref	15	cm³
Preload and stiffness (back-to-back, face-to-face)
Preload class A	G_A	460	N
Static axial stiffness, preload class A		245	N/µm
Preload class B	G_B	920	N
Static axial stiffness, preload class B		321	N/µm
Preload class C	G_C	1840	N
Static axial stiffness, preload class C		425	N/µm
Preload class D	G_D	3680	N
Static axial stiffness, preload class D		575	N/µm
Calculation factors
Calculation factor	f	1.14
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_2D	1.08
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

1.16

Model Number: 7018 ACD/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：2026-04-18
Application:Gas turbine,Wire grinder,building decoration raw materials and accessories,static control,Infrared Technology,metallurgical mold,bathroom facilities,non-motor vehicle Electric car,engineering machinery,Cylinder Micro,sheet industry
Similar models:7018 CB/HCP4AL 7018 CD/HCP4AL S7018 ACD/HCP4A S7018 CD/HCP4A 7018 CD/P4A 7018 ACE/HCP4AL 7018 CD/HCP4AH1 7018 CE/HCP4AL 7018 ACB/HCP4A 7018 CE/P4AL1
BEARING POWER International Trading Co.,Ltd. specialize in 7018ACD/P4A products，there is large inventory of SKF 7018 ACD/P4A Angular contact ball bearings, super-precision. We has been built up long-term cooperation with SKF company, could make a bulk order of the 7018 ACD/P4A Which SKF 7018ACD/P4A is the most authentic, must choose BEARING POWER, what a whole variety, reasonable price, guaranteed quality, prompt delivery via Global express. Any inquiry, never hesitate to E-mail or call +86-022-58519721 to contact us.

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Hot number： 12456 BD-22234 CCK/W33-H 3134 32316 33030 471161 49920 7211 ACD/HCP4A FYJ 65 KF NA 22/6.2RS NU 1020 ML NNU 41/500 K30M/W33 PFD 1.1/2 FM S7004 CE/HCP4A S7005 CE/HCP4A S71919 ACB/P4A