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：2025-12-09
Application:stamping die and its equipment,ventilator anesthesia machine etc,horizontal processing,static control,Garment Accessories,chamfer,air shower etc,Insect Count,tapered grinder,Cylinder Type,sanitation facilities
Similar models:SY 45 TR 313451 B SYNT 45 FTS PSMF 455530 A51 K 35x45x20 NK 45/30 TN FYTJ 45 KF STO 45 X PCM 455020 M PCM 140145120 E
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Model No.	Inner Diameter	Outer Diameter	Width	Type
2208 EKTN9	40	80	23	Bearings, units and housings
6006/HR11TN	30	55	13	Bearings, units and housings
80x125x12 HMSA10 V	80	125	12	Seals
BT4B 332666/HA1	571.5	812.8	-	Bearings, units and housings
C 2216 K	80	140	33	Bearings, units and housings
HE 2318	82.55	90	86	Bearings, units and housings
N 900	100.4062	-	900.2014	Bearings, units and housings
P 1.1/2 TF	38.1	-	-	Bearings, units and housings
SAF 22518 x 3.1/16 TLC	77.7875	-	-	Bearings, units and housings
SAF 22530 x 5.1/4 TLC	133.35	-	-	Bearings, units and housings
SAF 22534 x 5.13/16	147.6375	-	-	Bearings, units and housings
W 6204-2RS1/VP311	20	47	14	Bearings, units and housings

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Hot number： 22380 CAK/W33 23038 CC/W33 23060 CC/W33 38x52x7 HMSA10 V 51108 6038 6308/HR22T2 7020 ACE/HCP4A BT4B 334002 G/HA1VA901 FSAF 22312 TLC FY 1.1/2 FM K 81220 TN NATR 20 S71924 ACD/P4A W 639/2.5 R-2ZS