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：2025-12-09
Application:root canal filling,Pneumatic Control Elements,Forklift industry,food sterilization,Cylinder Type,Hydraulic Press,leather processing,other CNC,Flame Cutting,fabric products,hydraulic pump
Similar models:GEC 400 TXA-2RS BK 4020 SSAFS 22540 x 7.1/4 TLC BD-24040 CCK30/W33-AH 24040 AH 24026 BT4B 334093 BG/HA1VA902 FY 40 WDW PBM 240260140 M1G1 BT4B 334060 G/HA1VA901 SNW 40x7.1/8
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Model No.	Inner Diameter	Outer Diameter	Width	Type
15x40x10 HMS5 RG	15	40	10	Seals
BD-240/500 ECAK30/W33-AOH 240/500	480	720	218	Bearings, units and housings
305-ZNR	25	62	17	Bearings, units and housings
6304-RSL	20	52	15	Bearings, units and housings
90899	-	-	63.5	Seals
FYTJ 45 TF	45	-	-	Bearings, units and housings
NU 2306 ECML	30	72	27	Bearings, units and housings
OKCX 110	110		-
SAF 22544 x 7.1/2 TLC	190.5	-	-	Bearings, units and housings
SAF 23024 KAT x 4.1/16	101.6	-	-	Bearings, units and housings
W 639/3 R-2RS1	3	8	4	Bearings, units and housings
YAT 205-100	25.4	52	27.2	Bearings, units and housings

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Hot number： BD-22213 EK-H 313 231/530 CAK/W33 + AOH 31/530 53215 + U 215 7002 ACD/P4AH 87613 AN 34 D/W R10-2Z FYR 3 15/16-18 FYWK 1.7/16 YTA NJ 2230 ECM PPM 081008 S7028 CD/HCP4A SAF 23048 KA x 8.1/2 SAW 23220 T4DB 160