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

7018 CB/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		27.5	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	37.7	kN
Basic static load rating	C₀	43	kN
Fatigue load limit	P_u	0.98	kN
Attainable speed for grease lubrication		15000	r/min
Attainable speed for oil-air lubrication		24000	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	92	N
Static axial stiffness, preload class A		61	N/µm
Preload class B	G_B	185	N
Static axial stiffness, preload class B		79	N/µm
Preload class C	G_C	550	N
Static axial stiffness, preload class C		124	N/µm
Calculation factors
Calculation factor	f	1.07
Calculation factor	f₁	1
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	f₀	9.7

Mass

Mass bearing

1.18

Model Number: 7018 CB/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：2026-04-16
Application:extruder,scientific instruments,hot and cold box,Oral Image,Optical detection,vertical pull,Broadcasting System,Storage Tool,equipment,gear type,electromagnet
Similar models:7018 ACD/P4A 7018 ACB/P4A S7018 CB/P4A 7018 CB/P4A 7018 CB/HCP4AL 7018 CE/P4A S7018 ACB/P4A 7018 ACB/HCP4A 7018 CE/P4AL1 7018 CD/HCP4AL
BEARING POWER International Trading Co.,Ltd. specialize in 7018CB/HCP4A products，there is large inventory of SKF 7018 CB/HCP4A 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 CB/HCP4A Which SKF 7018CB/HCP4A 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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