Standard sync band width K W G L60 teeth below L60 teeth or more
050=12.7MM 14 19 5 31 39
075=19.1MM 21 26 8 38 46
100=25.4MM 27 32 11 44 53
150=38.1MM 40 45 14 57
specification shape Pitch diameter Outside diameter Outside diameter of rib Inside diameter of flange Outside diameter of perforation Hub diameter Inner hole dH7
Atype Btype|Wtype
H P C|N H P C|N
12L A|B 36.38 35.62 43 30 27 8~22 8~18 8~18 8~22 8~18 8~18
14L 42.45 41.69 48 36 30 8~27 8~21 8~21 8~26 8~20 8~20
15L 45.48 44.72 48 36 30 8~27 8~23 8~23 8~26 8~20 8~20
16L 48.51 47.75 55 39 32 10~32 10~26 10~23 10~28 10~22 10~22
17L 51.54 50.78 55 39 34 10~32 10~26 10~26 10~30 10~24 10~23
18L 54.57 53.81 60 46 36 10~37 10~29 10~29 10~32 10~26 10~23
19L 57.61 56.85 65 50 38 12~42 12~34 12~30 12~34 12~28 12~25
20L 60.64 59.88 67 50 40 12~42 12~34 12~30 12~36 12~30 12~26
21L 63.67 62.91 70 55 42 12~48 12~40 12~32 12~38 12~30 12~26
22L 66.70 65.94 75 55 45 12~52 12~42 12~34 12~41 12~33 12~30
24L 72.77 72.01 83 63 50 12~59 12~49 12~41 12~46 12~38 12~30
25L 75.80 75.04 83 63 50 12~59 12~49 12~41 12~46 12~38 12~30
26L 78.83 78.07 86 66 50 12~59 12~49 12~41 12~46 12~38 12~30
28L 84.89 84.13 94 74 50 12~67 12~57 12~49 12~46 12~38 12~30
30L 90.96 90.20 99 78 56 12~72 12~62 12~50 12~52 12~42 12~34
32L 97.02 96.26 105 84 56 14~76 14~65 14~50 14~52 14~42 14~34
34L 103.08 102.32 112 90 63 14~80 14~65 14~50 14~59 14~49 14~41
36L 109.15 108.39 119 100 63 14~80 14~65 14~50 14~59 14~49 14~41
38L 115.22 114.46 126 100 63 16~80 16~65 16~50 16~59 16~49 16~50
40L 121.28 120.52 131 111 63 16~80 16~65 16~50 16~67 16~49 16~41
42L 127.34 126.58 135 115 71 16~80 16~65 16~50 16~67 16~57 16~41
44L 133.40 132.64 136 118 71 16~80 16~65 16~50 16~67 16~57 16~49
46L 139.47 138.71 144 111 71 16~80 16~65 16~50 16~67 16~57 16~49
48L 145.53 144.77 152 134 71 16~80 16~65 16~50 16~67 16~57 16~49
50L 151.60 150.84 160 140 71 16~80 16~65 16~50 16~67 16~57 16~49
60L W 181.91 181.15 160 71 16~100 16~65 16~50 16~67 16~57 16~49
72L 218.30 217.54 197 71 16~100 16~65 16~50 16~67 16~57 16~49
Note: The above is the company's standard reference model parameters, the specific model according to your requirements customized processing. Contact customer service: 0574-63786986