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 90 CTN9/SP

BTW 90 CTN9/SP

Dimensions

d		90	mm
D		140	mm
H		60	mm
d₁		118.9	mm
2C		30	mm
r_1,2	min.	1.5	mm
r_3,4	min.	0.6	mm

Abutment dimensions

d_a	min.	109	mm
D_a	min.	130.9	mm
D_a	max.	132	mm
r_a	max.	1.5	mm
r_b	max.	0.6	mm

Calculation data

Basic dynamic load rating	C	55.9	kN
Basic static load rating	C₀	173	kN
Fatigue load limit	P_u	7.65	kN
Attainable speed for grease lubrication		5000	r/min
Attainable speed for oil-air lubrication		6000	r/min
Preload		625	N
Static axial stiffness		792	N/µm
Reference grease quantity	G_ref	14.4	cm³

Mass

Mass bearing

2.7

Model Number: BTW 90 CTN9/SP
Inner Diameter：90mm Outer Diameter：140mm Width：60mm
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：2026-04-15
Application:relay,wall industry,plastic rolling,paint paint,nail products,rolling mill roll neck and slowdown device,hydraulic control element,economic mold,mechanical and electrical,miscellaneous instruments,pump
Similar models:W 61904 230/900 CAK/W33 W 61903 KR 90 XB 71905 ACE/HCP4AL S71906 CB/P4A 61904-2RS1 RNA 4904 812/900 M 71909 CB/HCP4A
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Model No. Inner Diameter Outer Diameter Width Type

1438321
22217 EK
45x62x8 CRW1 R
H 3032
S7024 CD/P4A

Purchase the SKF BTW 90 CTN9/SP Please fill in the following

Hot number： 17x47x7 HMSA10 V 30x42x7 CRW1 V 344/332 48689 55x100x12 HMS5 V D/W R2 R-2Z FYE 3 7/16 GEC 670 TXA-2RS NUP 2211 ECP RNAO 20x28x26 RNAO 50x62x20 SAF 22624 x 4.1/16 SAFS 22517-11 SAW 23528 T SNL 3280 G

Model No.	Inner Diameter	Outer Diameter	Width	Type
1438321
22217 EK
45x62x8 CRW1 R
H 3032
S7024 CD/P4A