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1 Mod Spur Gears

A range of moulded plastic spur gears in 1 mod pitch. These gears are suitable for a range of applications from model making to robotics and light industrial drives.

Material: Delrin Acetal with optional Brass insert and Set-Screw.
Tooth form: 1 mod full depth involute profile with 20° pressure angle.
Operating temperature: -40°C to 80°C.
Face width: 6mm + 9mm.

1 MOD Gears1 MOD Gear drawing
All dimensions in mm
GR1M012 12 12 14 4 9 9 8 No
GR1M016 16 16 18 4 9 9 8 No
GR1M020 20 20 22 4 9 9 8 No
GR1M024 24 24 26 6 9 15 9 No
GR1M024B-6 24 24 26 6 9 15 9 Yes
GR1M024B-8 24 24 26 8 9 15 9 Yes
GR1M028 28 28 30 6 9 15 9 No
GR1M028B-6 28 28 30 6 9 15 9 Yes
GR1M028B-8 28 28 30 8 9 15 9 Yes
GR1M030 30 30 32 6 9 15 9 No
GR1M030B-6 30 30 32 6 9 15 9 Yes
GR1M030B-8 30 30 32 8 9 15 9 Yes
GR1M032 32 32 34 6 9 18 9 No
GR1M032B-6 32 32 34 6 9 18 9 Yes
GR1M032B-8 32 32 34 8 9 18 9 Yes
GR1M036 36 36 38 8 9 18 9 No
GR1M036B-6 36 36 38 6 9 18 9 Yes
GR1M036B-8 36 36 38 8 9 18 9 Yes
GR1M040 40 40 42 8 9 18 9 No
GR1M040B-6 40 40 42 6 9 18 9 Yes
GR1M040B-8 40 40 42 8 9 18 9 Yes
GR1M048 48 48 50 8 9 18 9 No
GR1M048B-6 48 48 50 6 9 18 9 Yes
GR1M048B-8 48 48 50 8 9 18 9 Yes
GR1M055 55 55 57 8 9 21 9 No
GR1M055B-6 55 55 57 6 9 21 9 Yes
GR1M055B-8 55 55 57 8 9 21 9 Yes
GR1M060 60 60 62 8 9 21 9 No
GR1M060B-6 60 60 62 6 9 21 9 Yes
GR1M060B-8 60 60 62 8 9 21 9 Yes
GR1M072 72 72 74 10 9 21 9 No
GR1M072B-6 72 72 74 6 9 21 9 Yes
GR1M072B-8 72 72 74 8 9 21 9 Yes
GR1M090 90 90 92 10 9 21 9 No
GR1M090B-6 90 90 92 6 9 21 9 Yes
GR1M090B-8 90 90 92 8 9 21 9 Yes
GR1M110 110 110 112 12 9 24 9 No
GR1M110B-8 110 110 112 8 9 24 9 Yes
GR1M120 120 120 122 12 9 24 9 No
GR1M120B-8 120 120 122 8 9 24 9 Yes
GR1M130 130 130 132 12 9 24 9 No
GR1M130B-8 130 130 132 8 9 24 9 Yes
GR1M140 140 140 142 12 9 24 9 No
GR1M140B-8 140 140 142 8 9 24 9 Yes

Available Bore Reducers for the above gears (sold separately): most 6mm/8mm bores accept 4mm or 5mm bore reducers; most 8mm bores accept 6mm or 0.25" bore reducers. See our Bore Reducers page for the full range.