Bearings, units and housings -- Super-precision bearings -- Cylindrical roller bearings -- Cylindrical roller bearings, double row, super-precision -- SKF NN 3018 KTN9/SP

NN 3018 KTN9/SP

Dimensions

d		90	mm
D		140	mm
B		37	mm
d₁		109.4	mm
E		127	mm
r_1,2	min.	1.5	mm
r_3,4	min.	1	mm
s	max.	2	mm

Tapered bore, taper 1:12

Abutment dimensions

d_a	min.	98	mm
D_a	min.	129	mm
D_a	max.	132	mm
d_n		125.4	mm

Calculation data

Basic dynamic load rating	C	138	kN
Basic static load rating	C₀	216	kN
Fatigue load limit	P_u	26	kN
Attainable speed for grease lubrication		6300	r/min
Attainable speed for oil-air lubrication		7000	r/min
Reference grease quantity	G_ref	11.1	cm³
Static radial stiffness (guideline value)		2010	N/µm

Mass

Mass bearing

1.95

Model Number: NN 3018 KTN9/SP
Inner Diameter：90mm Outer Diameter：140mm Width：37mm
Reference speed:- Limiting speed:-
Type：Bearings, units and housings Super-precision bearings Cylindrical roller bearings Cylindrical roller bearings, double row, super-precision
Details： Cylindrical roller bearings, double row, super-precision
Update date：2026-03-11
Application:surgical instruments,hydraulic cylinder,air shower etc,Chromatography Products,axle lathe,wall materials,fabric products,gear type,wall industry,transportation equipment,respirator
Similar models:33018/DF GB 3018 NN 3018 TN9/SP NCF 3018 CV HK 3018 RS NN 3018 KTN9/SP GRA 3018 33018
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Model No. Inner Diameter Outer Diameter Width Type

FYTWK 15/16 YTA
HA 3130
KMD 6
PPM 121415
SSAFS 23038 KATLC x 6.7/8

Purchase the SKF NN 3018 KTN9/SP Please fill in the following

Hot number： 1700245 2308 E-2RS1KTN9 23446 23725 30x48x8 HMS5 RG 3302 A-2RS1 39423 6216/C3VL0241 D/W R2-6-2RS1 RNA 4901.2RS SAFS 22540 x 7.1/8 TLC SNL 619 TURU SNW 13x2.3/16 W 6001-2RS1/VP311 Z 015

Model No.	Inner Diameter	Outer Diameter	Width	Type
FYTWK 15/16 YTA
HA 3130
KMD 6
PPM 121415
SSAFS 23038 KATLC x 6.7/8