Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF S7018 CB/P4A

S7018 CB/P4A

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		12000	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	54	N
Static axial stiffness, preload class A		54	N/µm
Preload class B	G_B	185	N
Static axial stiffness, preload class B		71	N/µm
Preload class C	G_C	550	N
Static axial stiffness, preload class C		112	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
Calculation factor	f₀	9.7

Mass

Mass bearing

1.25

Model Number: S7018 CB/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：2025-12-09
Application:rehabilitation training equipment,Vertical machining,other accessories,sleep monitoring,Spectrum Products,Industry,switch,forming machine,power protection,wall industry,tray industry
Similar models:S7018 ACB/P4A 7018 CE/HCP4AH1 7018 ACE/P4AL1 7018 CB/HCP4AL 7018 ACB/P4AL 7018 CE/P4AL S7018 ACE/P4A 7018 CE/P4AH1 7018 CD/HCP4A 7018 CE/HCP4AL1
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Model No.	Inner Diameter	Outer Diameter	Width	Type
11124	28.575	41.25	6.35	Seals
16754	42.8752	65.07	6.35	Seals
25877/25821	34.925	73.025	23.812	Bearings, units and housings
33108	40	75	26	Bearings, units and housings
70/950 AMB	950	1360	180	Bearings, units and housings
FSAF 1520 x 3.1/2	88.9	-	-	Bearings, units and housings
NNCF 5034 CV	170	260	122	Bearings, units and housings
NNTR 130x310x146.2ZL	130	310	146	Bearings, units and housings
SAF 22624 x 4.1/4 T	107.95	-	-	Bearings, units and housings
TU 1.5/16 TF	33.338	-	-	Bearings, units and housings
W 61805-2RZ	25	37	7	Bearings, units and housings
WS 81144	220		11	Bearings, units and housings

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