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FB Double Pitch Sprockets

FB Double Pitch Sprockets (Japanese Standard)

FBN2040SB

  

 

Chain No.2040S (2040)   
Pitch (P) 25.4 mm (1inch)
Internal width (W) 7.95 mm  
Roller Dia. (Dr) 7.95 mm  
Tooth width (T) 7.2 mm  

 

 

 

Outside dia. 
Do
Pitch dia. 
Dp
Hub a Weight 
(kg)
Sprocket No. Teeth no. Bore dia. 
H7
BD BL Type efected teeth
84 78.23 60 25 7 0.61 FBN2040SB 9 1/2 19 20,25,30,35,40
92 86.17 69 25 7 0.82 10 1/2 21 20,25,30,35,40
100 94.15 77 25 7 0.98 11 1/2 23 20,25,30,35,40
108 102.14 63 25 7 0.83 12 1/2 25 20,25,30,35,40

 
 

Finished Bore 

Finished bore 
D
Keyway 
bXt2
Setscrewュウ 
M
18~22 6X2.8 6
24~30 8X3.3 8
32~38 10X3.3 8
40~42 12X3.3 8
45~50 14X3.8 10

 

 

 

 

FBN2060SB

  

 

Chain No.2060HS (2060H)   
Pitch (P) 38.10 mm (1-1/2inch)
Internal width (W) 12.70 mm  
Roller Dia. (Dr) 11.91 mm  
Tooth width (T) 11.7 mm  

 

 

 

Outside dia. 
Do
Pitch dia. 
Dp
Hub a Weight 
(kg)
Sprocket No. Teeth no. Bore dia. 
H7
BD BL Type efected teeth
126 117.34 83 40 12 2.03 FBN2060SB 9 1/2 19 25,30,35,40
138 129.26 83 40 12 2.23 10 1/2 21 25,30,35,40
150 141.22 80 45 12 2.56 11 1/2 23 25,30,35,40
162 153.20 80 45 12 2.81 12 1/2 25 25,30,35,40

 
 

Finished Bore 

Finished bore 
D
Keyway 
bXt2
Setscrewュウ 
M
18~22 6X2.8 6
24~30 8X3.3 8
32~38 10X3.3 8
40~42 12X3.3 8
45~50 14X3.8 10

 

 

 
 

FBN2100SB

  

 

Chain No.2100HS (2100H) 
Pitch (P) 63.50 mm
Internal width (W) 19.05 mm
Roller Dia. (Dr) 19.05 mm
Tooth width (T) 17.6 mm

 

 

 

Outside dia. 
Do
Pitch dia. 
Dp
Hub a Weight 
(kg)
Sprocket No. Teeth no. Bore dia. 
H7
BD BL Type efected teeth
209 195.57 107 50 16 5.91 FBN2100SB 9 1/2 19 35,40,45,50

 
 

Finished Bore 

Finished bore 
D
Keyway 
bXt2
Setscrewュウ 
M
18~22 6X2.8 6
24~30 8X3.3 8
32~38 10X3.3 8
40~42 12X3.3 8
45~50 14X3.8 10

 

 

 
 

FBN2050RB

  

 

Chain No.2050R (2052)  
Pitch (P) 31.75 mm (1-1/4inch)
Internal width (W) 9.53 mm  
Roller Dia. (Dr) 10.16 mm  
Tooth width (T) 8.7 mm  

 

Outside dia. 
Do
Pitch dia. 
Dp
Hub a Weight 
(kg)
Sprocket No. Finished bore 
H7
BD BL Type efected teeth
116 102.75 73 28 8 1.10 FBN 
2050RB
10 25,30,35,40
127 112.70 73 28 8 1.20 11 25,30,35,40
138 122.67 73 28 8 1.30 12 25,30,35,40
148 132.67 73 28 8 1.50 13 25,30,35,40
158 142.68 73 28 8 1.90 14 25,30,35,40
168 152.71 73 28 8 2.00 15 25,30,35,40
199 182.84 83 35 10 2.75 18 25,30,35,40
220 202.96 83 35 10 3.15 20 25,30,35,40

 
 

Finished Bore 

Finished bore 
D
Keyway 
bXt2
Setscrewュウ 
M
18~22 6X2.8 6
24~30 8X3.3 8
32~38 10X3.3 8
40~42 12X3.3 8
45~50 14X3.8 10

 

 

 
 

FBN2080RB

  

 

Chain No.2080HR (2082H)  
Pitch (P) 50.80 mm (2inch)
Internal width (W) 15.88 mm  
Roller Dia. (Dr) 28.58 mm  
Tooth width (T) 14.6 mm  

 

 

 

Outside dia. 
Do
Pitch dia. 
Dp
Hub a Weight 
(kg)
Sprocket No. Bore dia. 
H7
BD BL Type efected teeth
204 180.31 107 45 12 4.42 FBN2080RB 11 30,35,40,45
220 196.28 107 45 12 4.94 12 30,35,40,45

 
 

Finished Bore 

Finished bore 
D
Keyway 
bXt2
Setscrewュウ 
M
18~22 6X2.8 6
24~30 8X3.3 8
32~38 10X3.3 8
40~42 12X3.3 8
45~50 14X3.8 10

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