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NK Standard Sprockets B Type

NK Standard Sprockets B Type (Duplex) (Japanese Standard)

NK35-2B
m-11.gifm-9.gif 11-1.gif
Chain Type No.35-2
Pitch (P) 9.525 mm
Internal Width (W) 4.78 mm
Roller Dia. (Dr) 5.08 mm
Teeth width (T) 4.1 mm
(M) 14.2 mm
Sprockets No. Outside Dia.
Do
Pitch Dia.
Dp
Bore d Hub Weight
(kg)
Type Teeth No. Stock min. max. BD BL
NK35-2B 10 34 30.82 9 11 10 20 30 0.10
11 38 33.81 10 12 12 23 30 0.11
12 41 36.80 10 12 14 26 30 0.14
13 44 39.80 10 12 14 27 30 0.17
14 47 42.81 10 12 18 32 30 0.21
15 51 45.81 10 12 20 35 30 0.25
16 54 48.82 10 12 20 38 30 0.29
17 57 51.84 11.5 13.5 22 41 30 0.34
18 60 54.85 11.5 13.5 25 44 35 0.45
19 63 57.87 11.5 13.5 28 47 35 0.51
20 66 60.89 12 14 30 50 40 0.64
21 69 63.91 12 14 30 50 40 0.64
22 72 66.93 12 14 32 55 40 0.67
24 78 72.97 15 17 38 60 40 0.82
25 81 76.00 15 17 38 60 40 0.92
28 90 85.07 15 17 42 65 45 1.26
30 96 91.12 15 17 42 65 45 1.34
32 102 97.18 15 17 42 65 45 1.43
40 127 121.40 15 17 42 65 45 2.30
45 142 136.55 19 21 55 83 45 2.84
50 157 151.70 19 21 55 83 45 3.22
60 187 182.00 19 21 63 93 50 4.70
 

 

NK40-2B
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Chain Type No.40-2
Pitch (P) 12.7 mm
Internal width (W) 7.95 mm
Roller Dia. (Dr) 7.95 mm
Teeth width (T) 7.0 mm
(M) 21.4 mm
Sprockets No. Outside Dia.
Do
Pitch Dia.
Dp
Bore d Hub Weight
(kg)
Type Teeth No. Stock min. max. BD BL
NK40-2B 10 46 41.10 13 15 16 28 35 0.28
11 51 45.08 13 15 16 30 35 0.30
12 55 49.07 14 16 20 35 35 0.34
13 59 53.07 14 16 22 39 35 0.40
14 63 57.07 14 16 25 43 35 0.47
15 67 61.08 14 16 28 47 35 0.55
16 71 65.10 14 16 30 50 35 0.65
17 76 69.12 14 16 32 54 35 0.75
18 80 73.14 14 16 38 59 35 0.85
19 84 77.16 14 16 42 63 35 0.98
20 88 81.18 14 16 45 67 40 1.30
21 92 85.21 14 16 45 68 40 1.30
22 96 89.24 14 16 48 72 40 1.50
23 100 93.27 14 16 51 76 40 1.60
24 104 97.30 14 16 55 80 40 1.80
25 108 101.33 18 20 57 84 40 2.00
26 112 105.36 18 20 60 88 40 2.20
27 116 109.40 18 20 60 92 40 2.30
28 120 113.43 18 20 66 96 40 2.50
29 124 117.46 18 20 66 96 40 2.65
30 128 121.50 18 20 66 100 40 2.80
31 133 125.53 23 25 66 100 50 2.95
32 137 129.57 23 25 66 100 50 3.05
33 141 133.61 23 25 66 100 50 3.06
34 145 137.64 23 25 66 100 50 3.08
35 149 141.68 23 25 66 100 50 3.10
36 153 145.72 23 25 66 100 50 3.30
37 157 149.75 23 25 66 100 50 3.40
38 161 153.79 23 25 66 100 50 3.50
40 169 161.87 23 25 66 100 50 3.60
42 177 169.95 23 25 63 93 50 4.00
45 189 182.06 23 25 63 93 50 4.60
48 201 194.18 23 25 63 93 50 5.00
50 209 202.26 23 25 63 93 50 5.50
54 226 218.42 23 25 63 93 50 5.80
60 250 242.66 23 25 63 93 50 6.70
65 270 262.87 23 25 63 93 50 10.20
70 290 283.07 23 25 63 93 50 11.50
 

 

  

NK50-2B
m-11.gifm-9.gif 11-1.gif
Chain Type No.50-2
Pitch (P) 15.875 mm
Internal width (W) 9.53 mm
Roller Dia. (Dr) 10.16 mm
Teeth width (T) 8.4 mm
(M) 26.5 mm
Sprockets No. Outside Dia.
Do
Pitch Dia.
Dp
Bore d Hub Weight
(kg)
Type Teeth No. Stock min. max. BD BL
NK50-2B 10 58 51.37 14 16 20 35 40 0.50
11 64 56.35 14 16 22 40 40 0.50
12 69 61.34 14 16 25 42 40 0.62
13 74 66.34 14 16 30 49 40 0.75
14 79 71.34 14 16 32 54 40 0.90
15 84 76.35 14 16 38 59 40 1.10
16 89 81.37 14 16 42 64 45 1.40
17 94 86.39 14 16 45 68 45 1.60
18 100 91.42 14 16 48 74 45 1.80
19 105 96.45 14 16 55 79 45 2.10
20 110 101.48 18 20 57 84 45 2.30
21 115 106.51 18 20 60 89 45 2.60
22 120 111.55 18 20 63 94 50 3.00
23 125 116.58 18 20 66 99 50 3.50
24 130 121.62 18 20 70 105 50 3.80
25 135 126.66 18 20 70 105 50 4.20
26 140 131.70 18 20 70 105 50 4.50
27 145 136.74 18 20 70 105 50 4.80
28 150 141.79 18 20 75 110 50 5.10
29 155 146.83 18 20 75 110 50 5.50
30 161 151.87 18 20 80 120 50 5.80
31 166 156.92 23 25 80 120 50 5.90
32 171 161.96 23 25 80 120 50 6.00
33 176 167.01 23 25 80 120 50 6.50
34 181 172.05 23 25 80 120 50 6.80
35 186 177.10 23 25 80 117 50 7.00
36 191 182.14 23 25 80 117 50 7.00
38 201 192.24 23 25 80 117 50 8.00
40 211 202.33 23 25 80 117 56 9.00
42 221 212.43 23 25 66 98 56 8.88
45 237 227.58 23 25 66 98 56 9.96
48 252 242.73 23 25 66 98 56 8.00
50 262 252.83 23 25 66 98 56 9.00
54 282 273.02 23 25 66 98 63 9.90
60 312 303.33 23 25 66 98 63 11.70
65 338 328.58 23 25 66 98 63 13.00
70 363 353.84 23 25 66 98 63 15.00
 

 

NK60-2B
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Chain Type No.60-2
Pitch (P) 19.05 mm
Internal width (W) 12.70 mm
Roller Dia. (Dr) 11.91 mm
Teeth width (T) 11.3 mm
(M) 34.1 mm
Sprockets No. Outside Dia.
Do
Pitch Dia.
Dp
Bore d Hub Weight
(kg)
Type Teeth No. Stock min. max. BD BL
NK60-2B 10 68 61.65 16 18 20 35 50 0.9
11 76 67.62 16 18 25 44 50 1.0
12 83 73.60 16 18 30 50 50 1.2
13 89 79.60 18 20 35 57 50 1.4
14 95 85.61 18 20 42 64 56 1.8
15 101 91.62 18 20 46 70 56 2.1
16 107 97.65 18 20 51 76 56 2.5
17 113 103.67 18 20 55 82 56 2.6
18 119 109.71 18 20 60 88 56 3.2
19 126 115.74 18 20 63 94 56 3.7
20 132 121.78 23 25 66 100 56 4.2
21 138 127.82 23 25 66 100 56 4.4
22 144 133.86 23 25 66 100 56 4.9
23 150 139.90 23 25 66 100 56 4.7
24 156 145.95 23 25 80 120 56 6.0
25 162 151.99 23 25 80 120 56 6.4
26 168 158.04 23 25 80 120 56 6.8
27 174 164.09 23 25 80 120 56 7.3
28 180 170.14 23 25 80 120 56 7.8
29 187 176.20 28 30 80 120 56 8.2
30 193 182.25 28 30 89 130 56 9.0
31 199 188.30 28 30 89 127 56 9.3
32 205 194.35 28 30 89 127 56 9.5
33 211 200.41 28 30 89 127 56 9.7
34 217 206.46 28 30 89 127 56 10.5
35 223 212.52 28 30 89 127 56 11.0
36 229 218.57 28 30 66 98 56 8.5
38 241 230.69 28 30 66 98 56 9.0
40 253 242.80 28 30 66 98 56 9.7
42 266 254.92 28 30 75 107 56 11.0
45 284 273.09 28 30 75 107 71 12.8
48 302 291.27 28 30 75 107 71 14.0
50 314 303.39 28 30 75 107 71 16.0
54 338 327.63 28 30 75 107 71 18.0
60 375 363.99 28 30 75 107 71 21.5
65 405 394.30 28 30 75 107 71 24.0
70 436 424.61 28 30 75 107 71 30.0
 

 

NK80-2B
m-11.gifm-9.gif 11-1.gif
Chain Type No.80-2
Pitch (P) 25.4 mm
Internal width (W) 15.88 mm
Roller Dia. (Dr) 15.88 mm
Teeth width (T) 14.1 mm
(M) 43.4 mm
Sprockets No. Outside Dia.
Do
Pitch Dia.
Dp
Bore d Hub Weight
(kg)
Type Teeth No. Stock min. max. BD BL
NK80-2B 10 93 82.19 21 23 35 58 63 2.0
11 102 90.16 21 23 38 60 63 2.5
12 110 98.14 23 25 46 69 63 2.7
13 118 106.14 23 25 55 80 63 3.4
14 127 114.15 23 25 60 88 63 3.9
15 135 122.17 23 25 63 95 63 4.4
16 143 130.20 23 25 66 100 71 5.4
17 151 138.23 23 25 66 100 71 6.0
18 159 146.27 23 25 80 120 71 7.5
19 167 154.32 23 25 80 120 71 8.0
20 176 162.37 23 25 89 130 71 9.0
21 184 170.42 23 25 89 130 71 10.3
22 192 178.48 33 35 80 117 71 11.0
23 200 186.54 33 35 80 117 71 11.8
24 208 194.60 33 35 80 117 80 12.6
25 216 202.66 33 35 80 117 80 13.4
26 224 210.72 33 35 80 117 80 14.3
28 241 226.86 33 35 80 117 80 16.0
30 257 243.00 33 35 80 117 80 18.3
32 273 259.14 33 35 80 117 80 20.4
35 297 283.36 33 35 80 117 80 23.9
36 306 291.43 33 35 80 117 80 25.1
38 322 307.58 38 40 89 127 80 27.7
40 338 323.74 38 40 89 127 90 30.4
42 354 339.89 38 40 89 127 90 33.0
45 378 364.12 38 40 89 127 90 37.5
48 403 388.36 38 40 89 127 90 43.0
50 419 404.52 38 40 89 127 90 46.0
54 451 436.84 38 40 89 127 90 52.5
60 500 485.33 38 40 89 127 90 64.0
62 516 501.49 38 40 89 127 90 69.0
65 540 525.73 38 40 89 127 90 73.5
70 581 566.15 38 40 89 127 90 90.4
 

 

NK100-2B
m-11.gifm-9.gif 11-1.gif
Chain Type No.100-2
Pitch (P) 31.75 mm
Internal width (W) 19.05 mm
Roller Dia. (Dr) 19.05 mm
Teeth width (T) 17.0 mm
(M) 52.8 mm
Sprockets No. Outside Dia.
Do
Pitch Dia.
Dp
Bore d Hub Weight
(kg)
Type Teeth No. Stock min. max. BD BL
NK100-2B 10 117 102.74 22 24 46 70 80 3.50
11 127 112.70 22 24 55 80 80 4.20
12 138 122.67 28 30 60 90 80 5.00
13 148 132.67 28 30 66 100 80 6.00
14 158 142.68 28 30 75 110 80 7.00
15 168 152.71 28 30 80 120 80 7.10
16 179 162.74 28 30 89 130 80 7.70
17 189 172.79 28 30 89 130 80 8.90
18 199 182.84 28 30 89 130 80 9.60
19 209 192.90 28 30 89 130 90 12.80
20 220 202.96 28 30 89 130 90 13.50
21 230 213.03 28 30 89 130 90 14.30
22 240 223.10 28 30 89 127 90 19.35
23 250 233.17 28 30 89 127 90 20.85
24 260 243.25 38 40 95 137 90 22.62
25 270 253.32 38 40 95 137 90 24.25
26 281 263.40 38 40 95 137 90 25.94
28 301 283.57 38 40 95 137 90 29.52
30 321 303.75 38 40 95 137 90 33.37
32 341 323.92 38 40 95 137 90 37.48
35 372 354.20 38 40 95 137 90 44.15
36 382 364.29 38 40 95 137 90 46.50
38 402 384.48 38 40 95 137 90 51.41
40 422 404.67 38 40 103 147 100 58.46
42 443 424.86 38 40 103 147 100 63.90
45 473 455.16 38 40 103 147 100 72.56
48 503 485.45 38 40 103 147 100 81.81
50 524 505.65 38 40 103 147 100 88.31
54 564 546.05 38 40 103 147 100 102.11
 

 

NK120-2B
m-11.gifm-9.gif 11-1.gif
Chain Type No.120-2
Pitch (P) 38.10 mm
Internal width (W) 25.40 mm
Roller Dia. (Dr) 22.23 mm
Teeth width (T) 22.7 mm
(M) 68.1 mm
Sprockets No. Outside Dia.
Do
Pitch Dia.
Dp
Bore d Hub Weight
(kg)
Type Teeth No. Stock min. max. BD BL
NK120-2B 10 140 123.29 26 28 55 80 100 8.0
11 153 135.24 26 28 60 90 100 8.7
12 165 147.21 28 30 66 100 100 9.2
13 177 159.20 28 30 75 115 100 10.9
14 190 171.22 28 30 80 120 100 11.4
15 202 183.25 38 40 80 120 100 13.2
16 214 195.29 38 40 95 140 100 16.5
17 227 207.35 38 40 95 140 100 19.0
18 239 219.41 38 40 103 150 100 21.0
19 251 231.48 38 40 103 150 100 23.0
20 263 243.55 38 40 103 150 100 26.0
21 276 255.63 38 40 103 150 100 28.0
22 288 267.72 38 40 103 147 100 30.0
23 300 279.80 38 40 103 147 100 33.0
24 312 291.90 38 40 110 157 100 31.0
25 324 303.99 38 40 110 157 100 33.0
26 337 316.09 38 40 110 157 100 35.0
28 361 340.29 38 40 110 157 100 39.0
30 385 364.50 38 40 110 157 100 43.9
32 410 388.71 38 40 110 157 100 47.0
35 446 425.04 38 40 110 157 100 56.8
36 458 437.15 38 40 110 157 100 60.0
38 483 461.38 38 40 110 157 100 67.0

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