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：2026-04-16
Application:labor insurance,rolling mill roll neck and slowdown device,extruder,Textile Industry Accessories and Accessories,spreader series,instrument,Anti-defibrillation pacing,aerial work equipment,generator,root canal filling,physical instruments
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Hot number： 23968 CCK/W33 32912 34611 51206 V/HR11Q1 63007-2RS1 7008 CE/HCP4AH1 86240 NNU 4968 BK/SPW33 OH 39/600 H P 45 TF PSM 354550 A51 S7006 ACD/HCP4A S7014 CD/HCP4A SAW 23534 x 5.7/8 TLC YAR 215-212-2F