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 120 CTN9/SP

BTW 120 CTN9/SP

Dimensions

d		120	mm
D		180	mm
H		72	mm
d₁		155	mm
2C		36	mm
r_1,2	min.	2	mm
r_3,4	min.	1	mm

Abutment dimensions

d_a	min.	142	mm
D_a	min.	169.8	mm
D_a	max.	171	mm
r_a	max.	2	mm
r_b	max.	1	mm

Calculation data

Basic dynamic load rating	C	85.2	kN
Basic static load rating	C₀	280	kN
Fatigue load limit	P_u	10.8	kN
Attainable speed for grease lubrication		4000	r/min
Attainable speed for oil-air lubrication		4800	r/min
Preload		800	N
Static axial stiffness		979	N/µm
Reference grease quantity	G_ref	28.4	cm³

Mass

Mass bearing

5.05

Model Number: BTW 120 CTN9/SP
Inner Diameter：120mm Outer Diameter：180mm Width：72mm
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：2026-06-25
Application:metal mold,Insect Count,Material handling equipment,ventilation fans,CNC,climb ladder,woodworking machinery,journal lathe,generator,Spectrum Products,Gas turbine
Similar models:23120 CCK/W33 51207 V/HR22Q2 PWM 160180120 51206 V/HR22Q2 GAC 120 F PCM 101208 E 1209 ETN9 51200 PWM 100115120 PWM 150165120
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Model No. Inner Diameter Outer Diameter Width Type

28 VA V
7216 BECBM
C 2244 K
KMT 26
KR 22 PPXA

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Model No.	Inner Diameter	Outer Diameter	Width	Type
28 VA V
7216 BECBM
C 2244 K
KMT 26
KR 22 PPXA