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 55 CTN9/SP

BTW 55 CTN9/SP

Dimensions

d		55	mm
D		90	mm
H		44	mm
d₁		75.2	mm
2C		22	mm
r_1,2	min.	1.1	mm
r_3,4	min.	0.6	mm

Abutment dimensions

d_a	min.	68	mm
D_a	min.	84	mm
D_a	max.	85	mm
r_a	max.	1	mm
r_b	max.	0.6	mm

Calculation data

Basic dynamic load rating	C	30.2	kN
Basic static load rating	C₀	80	kN
Fatigue load limit	P_u	3.8	kN
Attainable speed for grease lubrication		7500	r/min
Attainable speed for oil-air lubrication		9000	r/min
Preload		440	N
Static axial stiffness		580	N/µm
Reference grease quantity	G_ref	4.8	cm³

Mass

Mass bearing

0.86

Model Number: BTW 55 CTN9/SP
Inner Diameter：55mm Outer Diameter：90mm Width：44mm
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：2026-06-24
Application:vacuum filter,molding machine,agricultural testing and analysis equipment and related,Low-voltage electrical equipment,car instrument,spectrometer,Energy saving energy saving energy saving energy saving energy saving energy saving energy saving energy saving energy saving energy saving energy saving,drawing die,Sensors,surgical instruments,wire industry
Similar models:SYNT 55 FTF AS 120155 SY 55 LF PRM 657055 D/W R155 R NAO 35x55x20 25580/25522 HK 5528 IR 50X55X20 IS1 314553
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Model No. Inner Diameter Outer Diameter Width Type

32332
34x52x10 CRS1 R
404256
6201-2Z/VA228
RSTO 8 TN

Purchase the SKF BTW 55 CTN9/SP Please fill in the following

Hot number： 11081 1400580 BD-23234 CCK/W33-AH 3234 G 38x56x8 CRW1 R 6143 6305/HR22Q2 71915 CE/P4AL 87777 99401 GEZ 108 ES-2LS NF 19/600 ECMB NU 2319 ECJ PSMF 081206 A51 SNW 111x1.15/16 W 61910 R

Model No.	Inner Diameter	Outer Diameter	Width	Type
32332
34x52x10 CRS1 R
404256
6201-2Z/VA228
RSTO 8 TN