Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF S7018 CB/HCP4A

S7018 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_a	max.	107.9	mm
d_b	min.	97	mm
d_b	max.	105.3	mm
D_a	max.	133	mm
D_b	max.	135.4	mm
r_a	max.	1.5	mm
r_b	max.	1	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
Ball diameter	D_w	10.319	mm
Number of balls	z	25
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: S7018 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：2025-12-09
Application:Machine Tool Accessories,Sensors,Other Machine Tools,chemical instruments,Industrial Adhesive,pneumatic,ship special,plastic molding,diagnostic test paper,blood cell reagent,medical equipment
Similar models:7018 CE/P4AL1 7018 ACD/HCP4AL 7018 ACB/HCP4AL S7018 ACB/HCP4A 7018 CD/HCP4A 7018 CE/HCP4AL1 7018 CE/HCP4A 7018 CD/P4A 7018 ACE/P4AH1 7018 CD/HCP4AL
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Hot number： 13796 19880 62213-2RS1 7212 BEGAM 99264 BT1B 332787/HA4 FYR 1 7/16-18 GEZ 212 ES IR 28x32x20 NNCF 4930 CV NUTR 35 A PWM 95110120 S7001 CD/P4A SAFS 23024 KATLC x 4.3/16 TU 505 M