D1        size D1 D2 d2 L1 L2 L3 L4 L5 L6 L7 L8 L9 L10 L11 L12 L13 L14 L15
112 S Type
G Type		 224 160 22 78
92		 90
80		 80 201 234 100 110 8 249 167 41 41 304 100 220
140/180 S Type
G Type		 250 180 22 93
92		 100 92 213 256 112 123 8 285 190 53 53 348 112 245
 
Size No. of teeth pitch circle dia pressure angle module rule
112 12 30.0 20¢ª 2.5 JIS D2001
140/180 17 42.5 20¢ª 2.5 JIS D2001
 
 
Size a b c d e-depth
112 S Type 23.8 50.8 ¥õ 19 31 M10-16
G Type 31.8 66.7 ¥õ 30 - M12
140/180 S Type 27.8 57.2 ¥õ 25 37.5 M12-22
G Type 36.5 79.4 ¥õ 34.4 - M16
 
Size a b c e-depth
112 50.8 88.9 ¥õ 60 M12-18
140/180 61.9 106.4 ¥õ 76 M16-24
 
Size a b c d
112/140/180 PF 3/4 29.8 3.5 23

 
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