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FBN Standard Sprockets FBN 120B

FBN Standard Sprockets (Japanese Standard) FBN 120B

  

Chain Type No.120
Pitch (P) 38.10 mm  (1-1/2inch)
Internal width (W) 25.40 mm
Roller Dia. (Dr) 22.23 mm
Teeth width (T) 23.5 mm

 

Outside Dia. 
Do
Pitch Dia. 
Dp
Hub a Sprockets No. Bore dia. 
H7
Weight 
(kg)
BD BL Type Teeth No.
177 159.20 98 56 16 FBN 120B 13 45,48,50,55,60 5.30
190 171.22 107 56 16 14 45,48,50,55,60 6.30
202 183.25 117 63 16 15 45,48,50,55,60 7.80
214 195.29 117 63 16 16 50,60 8.40
239 219.41 117 63 16 18 50,60 9.90
251 231.48 117 63 16 19 60 10.70
263 243.55 127 63 16 20 50,60 12.10
276 255.63 127 63 16 21 50,60 13.00

 

Bore Dia. H7 Keyway 
bXt2
Setscrew­³ 
M
28~30 8X3.3 8
32~38 10X3.3 8
40~42 12X3.3 8
45~50 14X3.8 10
55 16X4.3 15
60~65 18X4.4 12
70 20X4.9 16

 


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Processing Method

CNC machining, punch,turning, milling, drilling, grinding, broaching, welding and assembly

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