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 45 CTN9/SP

BTW 45 CTN9/SP

Dimensions

d		45	mm
D		75	mm
H		38	mm
d₁		62.5	mm
2C		19	mm
r_1,2	min.	1	mm
r_3,4	min.	0.3	mm

Abutment dimensions

d_a	min.	56	mm
D_a	min.	69.9	mm
D_a	max.	71	mm
r_a	max.	1	mm
r_b	max.	0.3	mm

Calculation data

Basic dynamic load rating	C	22.1	kN
Basic static load rating	C₀	54	kN
Fatigue load limit	P_u	2.6	kN
Attainable speed for grease lubrication		9500	r/min
Attainable speed for oil-air lubrication		12000	r/min
Preload		390	N
Static axial stiffness		513	N/µm
Reference grease quantity	G_ref	3.1	cm³

Mass

Mass bearing

0.53

Model Number: BTW 45 CTN9/SP
Inner Diameter：45mm Outer Diameter：75mm Width：38mm
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：2026-03-18
Application:Reflective Materials Industrial fabrics,power tools,food / grain / food equipment,impression material,extruder,drawing die,pump,Cylinder Standard,Film machine,medical equipment,agriculture
Similar models:FY 45 TDW SAA 45 TXE-2LS P 45 TF H 715345/311 BSD 45100 C 314553 PBM 354550 M1G1 TU 45 TF SY 45 TR RNAO 35x45x13
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Model No. Inner Diameter Outer Diameter Width Type

22324 CCJA/W33VA405
6201/HR11QN
71907 CB/P4A
NU 244 ECML
P 85

Purchase the SKF BTW 45 CTN9/SP Please fill in the following

Hot number： 24072 CC/W33 471181 7208 ACD/P4A 811/750 M FSAF 22518 x 3.1/8 FY 2.3/16 DTF FYTB 25 LDW K 89418 M NJ 2328 ECML NU 316 ECP NX 10 Z PCM 161825 M PNA 12/28 SIL 60 ES-2RS SNW 122x3.15/16/VZ726

Model No.	Inner Diameter	Outer Diameter	Width	Type
22324 CCJA/W33VA405
6201/HR11QN
71907 CB/P4A
NU 244 ECML
P 85