Bearings, units and housings -- Super-precision bearings -- Double direction angular contact thrust ball bearings -- Angular contact thrust ball bearings, double direction, super-precision -- SKF BTW 40 CTN9/SP

BTW 40 CTN9/SP

Dimensions

d		40	mm
D		68	mm
H		36	mm
d₁		56.4	mm
2C		18	mm
r_1,2	min.	1	mm
r_3,4	min.	0.3	mm

Abutment dimensions

d_a	min.	50	mm
D_a	min.	63.4	mm
D_a	max.	64	mm
r_a	max.	1	mm
r_b	max.	0.3	mm

Calculation data

Basic dynamic load rating	C	19.5	kN
Basic static load rating	C₀	46.5	kN
Fatigue load limit	P_u	2.24	kN
Attainable speed for grease lubrication		10000	r/min
Attainable speed for oil-air lubrication		13000	r/min
Preload		360	N
Static axial stiffness		481	N/µm
Reference grease quantity	G_ref	2.5	cm³

Mass

Mass bearing

0.42

Model Number: BTW 40 CTN9/SP
Inner Diameter：40mm Outer Diameter：68mm Width：36mm
Reference speed:- Limiting speed:-
Type：Bearings, units and housings Super-precision bearings Double direction angular contact thrust ball bearings Angular contact thrust ball bearings, double direction, super-precision
Details： Angular contact thrust ball bearings, double direction, super-precision
Update date：2026-07-22
Application:medical equipment,electrostatic protection,Antenna Industry,medical equipment,metallurgy,physical instruments,education model Instruments,Individual Wire,Solenoid Valves,Spectrum Products,noise reduction equipment
Similar models:FY 40 TR GEZH 400 ESX-2LS 22319 EKJA/VA405 N 040 BT4B 334008 G/HA1VA901 61940 AOH 240/1000 SAFS 23040 KAT x 7.1/8 24092 ECA/W33 61840
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Model No. Inner Diameter Outer Diameter Width Type

60x82x12 HMSA10 RG
7007 CE/P4AH1
BEAM 035090-2RS
S7021 CD/P4A
W 619/9 R

Purchase the SKF BTW 40 CTN9/SP Please fill in the following

Hot number： 1700280 BD-23218 CCK/W33-AHX 3218 5133 7028 CD/HCP4AL 71922 CE/HCP4AH1 80x125x12 HMS5 RG NNU 49/500 B/SPW33X QJ 215 N2MA QJ 320 N2MA S7018 ACB/P4A SAF 23032 KATLC x 5.7/16 SAFS 22544 x 8 TLC SI 70 TXE-2LS SSAFS 22518 x 3.1/16 T ZW 28x35

Model No.	Inner Diameter	Outer Diameter	Width	Type
60x82x12 HMSA10 RG
7007 CE/P4AH1
BEAM 035090-2RS
S7021 CD/P4A
W 619/9 R