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FB Single Double Sprockets

FB Single Double Sprockets (Japanese Standard)

FBN 40SD

 

 

Chain No.40
Pitch (P) 12.7 mm  (1/2inch)
Internal width (W) 7.95 mm
Roller dia. (Dr) 7.95 mm
Tooth width (T) 7.2 mm   (C) 27.8 mm

 

Outside dia.
Do
Pitch dia.
Dp
Hub a Weight
(kg)
Sprocket No. Bore dia.
H7
BD BL Type Teeth No.
55 49.07 34 35 17.5 0.33 FBN 40SD 12 15,18
59 53.07 38 35 17.5 0.40 13 18,20
63 57.07 42 35 17.5 0.49 14 18,20
67 61.08 46 35 17.5 0.57 15 20,25
71 65.10 50 35 17.5 0.66 16 20,25
76 69.12 54 35 17.5 0.76 17 25,28,30
80 73.14 59 35 17.5 0.89 18 25,28,30,35
84 77.16 63 35 17.5 1.00 19 25,28,30,35
88 81.18 67 35 17.5 1.14 20 25,28,30,35
92 85.21 71 35 17.5 1.23 21 25,28,30,35

 

Finished Bore

Bore dia.H7 Keyway
bxt2
Setscrewュウ
M
15~17 5X2.3 6
18~22 6X2.8 6
24~30 8X3.3 8
32~35 10X3.3 8

 

FBN 50SD

 

 

Chain No.50
Pitch (P) 15.875 mm  (5/8inch)
Internal width (W) 9.53 mm
Roller dia. (Dr) 10.16 mm
Tooth width (T) 8.7 mm   (C) 31.3 mm

 

Outside dia.
Do
Pitch dia.
Dp
Hub a Weight
(kg)
Sprocket No. Bore dia.
H7
BD BL Type Teeth No.
69 61.34 43 40 20 0.63 FBN 50SD 12 18,20
74 66.34 48 40 20 0.75 13 20,25,28
79 71.34 53 40 20 0.90 14 20,25,28,30
84 76.35 58 40 20 1.04 15 20,25,28,30,35
89 81.37 63 40 20 1.22 16 25,28,30,35,40
94 86.39 68 40 20 1.41 17 25,28,30,35,40
100 91.42 73 40 20 1.61 18 25,28,30,35,40
105 96.45 79 40 20 1.80 19 25,28,30,35,40
110 101.48 84 40 20 1.95 20 25,28,30,35,40
115 106.51 89 40 20 2.27 21 28,30,35,40

 

Finished Bore

Bore dia.H7 Keyway
bxt2
Setscrewュウ
M
18~22 6X2.8 6
24~30 8X3.3 8
32~38 10X3.3 8
40 12X3.3 8

 

FBN 60SD

 

 

Chain No.60
Pitch (P) 19.05 mm  (3/4inch)
Internal width (W) 12.70 mm
Roller dia. (Dr) 11.91 mm
Tooth width (T) 11.7 mm   (C) 38.3 mm

 

Outside dia.
Do
Pitch dia.
Dp
Hub a Weight
(kg)
Sprocket No. Bore dia.
H7
BD BL Type Teeth No.
83 73.60 51 50 25 1.14 FBN 60SD 12 20,25,30
89 79.60 57 50 25 1.39 13 25,30,35
95 85.61 64 50 25 1.63 14 30,35,40
101 91.62 70 50 25 1.96 15 30,35,40
107 97.65 76 50 25 2.20 16 30,35,40,45
113 103.67 82 50 25 2.56 17 30,35,40,45
119 109.71 88 50 25 2.90 18 30,35,40,45
126 115.74 94 50 25 3.26 19 40,45,50
132 121.78 100 50 25 3.70 20 40,45,50
138 127.82 107 50 25 4.13 21 40,45,50

 

Finished Bore

Bore dia.H7 Keyway
bxt2
Setscrewュウ
M
20~22 6X2.8 6
24~30 8X3.3 8
32~38 10X3.3 8
40~42 12X3.3 8
45~50 14X3.8 10

 

FBN 80SD

 

 

Chain No.80
Pitch (P) 25.4 mm  (1inch)
Internal width (W) 15.88 mm
Roller dia. (Dr) 15.88 mm
Tooth width (T) 14.6 mm   (C) 45.4 mm

 

Outside dia.
Do
Pitch dia.
Dp
Hub a Weight
(kg)
Sprocket No. Bore dia.
H7
BD BL Type Teeth No.
110 98.14 69 60 30 2.52 FBN 80SD 12 35,40,45
118 106.14 77 60 30 3.04 13 40,45,50
127 114.15 85 60 30 3.60 14 40,45,50
135 122.17 93 60 30 4.16 15 40,45,50
143 130.20 102 60 30 4.89 16 40,45,50,60
151 138.23 110 60 30 5.61 17 40,45,50,60
159 146.27 118 60 30 6.36 18 40,45,50,60
167 154.32 126 60 30 7.13 19 40,45,50,60
176 162.37 134 60 30 8.03 20 40,45,50,60
184 170.42 142 60 30 8.88 21 40,45,50,60

 

Finished Bore

Bore Dia H7 Keyway
bxt2
Setscrewュウ
M
32~38 10X3.3 8
40~42 12X3.3 8
45~50 14X3.8 10
55 16X4.3 12
60 18X4.4 12

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