KHK Gears - Plastic Miter Gears (PM)

Unit of Measure

Items	PM1.25-20 KHK PM1.25-20, Module 1.25, 20 Tooth, Nylon Miter Gears	PM1.25-25 KHK PM1.25-25, Module 1.25, 25 Tooth, Nylon Miter Gears	PM1.5-20 KHK PM1.5-20, Module 1.5, 20 Tooth, Nylon Miter Gears	PM1.5-25 KHK PM1.5-25, Module 1.5, 25 Tooth, Nylon Miter Gears	PM1.5-30 KHK PM1.5-30, Module 1.5, 30 Tooth, Nylon Miter Gears
Gear Type	N/A Miter Gears
Construction	N/A Nylon Miter Gears
Bore Type	N/A Plain
Gear Ratio	N/A 1
Module	N/A 1.25	N/A 1.25	N/A 1.5	N/A 1.5	N/A 1.5
No. of Teeth	N/A 20	N/A 25	N/A 20	N/A 25	N/A 30
Shape	N/A B3
Bore (A)	N/A 0.315 in8 mm	N/A 0.315 in8 mm	N/A 0.315 in8 mm	N/A 0.315 in8 mm	N/A 0.394 in10 mm
Hub Diameter (B)	N/A 0.866 in22 mm	N/A 0.984 in25 mm	N/A 1.024 in26 mm	N/A 1.181 in30 mm	N/A 1.417 in36 mm
Pitch Diameter (C)	N/A 0.984 in25 mm	N/A 1.230 in31.25 mm	N/A 1.181 in30 mm	N/A 1.476 in37.5 mm	N/A 1.772 in45 mm
Outer Diameter (D)	N/A 1.054 in26.77 mm	N/A 1.300 in33.02 mm	N/A 1.265 in32.12 mm	N/A 1.560 in39.62 mm	N/A 1.855 in47.12 mm
Mounting Distance (E)	N/A 0.906 in23 mm	N/A 1.102 in28 mm	N/A 1.181 in30 mm	N/A 1.339 in34 mm	N/A 1.693 in43 mm
Total Length (F)	N/A 0.601 in15.27 mm	N/A 0.704 in17.88 mm	N/A 0.836 in21.24 mm	N/A 0.876 in22.25 mm	N/A 1.112 in28.24 mm
Hub Width (H)	N/A 0.354 in9 mm	N/A 0.364 in9.25 mm	N/A 0.512 in13 mm	N/A 0.453 in11.5 mm	N/A 0.630 in16 mm
Length Of Bore (I)	N/A 0.512 in13 mm	N/A 0.630 in16 mm	N/A 0.748 in19 mm	N/A 0.748 in19 mm	N/A 0.984 in25 mm
Face Width (J)	N/A 0.315 in6 mm	N/A 0.315 in7 mm	N/A 0.315 in8 mm	N/A 0.315 in9 mm	N/A 0.394 in10 mm
Holding Surface Diameter (K)	N/A 0.513 in13.03 mm	N/A 0.736 in18.7 mm	N/A 0.605 in15.37 mm	N/A 0.769 in19.54 mm	N/A 1.013 in25.72 mm
Length from Crown to Back	N/A 0.448 in11.38 mm	N/A 0.522 in13.26 mm	N/A 0.632 in16.06 mm	N/A 0.642 in16.31 mm	N/A 0.849 in21.56 mm
Pressure Angle	N/A 20 º
Precision Grade	N/A JIS B 1704:1978 grade 4
Gear Teeth Type	N/A Gleason
Bending Strength	N/A 0.42 N·m0.043 kgf·m	N/A 0.67 N·m0.068 kgf·m	N/A 0.76 N·m0.077 kgf·m	N/A 1.2 N·m0.122 kgf·m	N/A 1.74 N·m0.18 kgf·m
Backlash	N/A 0-0.0094 in0-0.24 mm	N/A 0-0.0094 in0-0.24 mm	N/A 0-0.0098 in0-0.25 mm	N/A 0-0.0098 in0-0.25 mm	N/A 0.0059-0.0098 in0.15-0.25 mm
Material	N/A MC901 Nylon
Tooth Hardness	N/A (115-120HRR)
Weight	N/A 0.0053 kg0.012 lb	N/A 0.0093 kg0.021 lb	N/A 0.011 kg0.024 lb	N/A 0.017 kg0.037 lb	N/A 0.0309 kg0.068 lb