• 7.5:1 – 100:1 ratios
  • Box sizes (Center distances 30 mm – 90 mm)
  • Aluminum alloy housing for lightweight design
  • Hardened worm shaft for increased durability
  • Two bearings on input and output shafts
  • NEMA motor input flanges
  • All units filled with synthetic oil (Mobil SHC634) for an “M1” position
    mounting
  • Adjust oil level for alternative mounting positions
  • Double lip oil seals prevent leakage
  • Multiple mounting holes for all angle mounts
  • Powder coat paint plan on external housing to resist corrosion
  • Hollow output bores with plug-in output shafts
  • 1 year warranty

Products

Model NumberBox SizeRatioOutput TypeNEMA Motor Frame
Aluminum Worm Gear Reducer, Box Size 30, 10:1 Ratio, 56C FrameCALM30-10/1-56C3010:1Hollow Bore56C
Aluminum Worm Gear Reducer, Box Size 30, 15:1 Ratio, 56C FrameCALM30-15/1-56C3015:1Hollow Bore56C
Aluminum Worm Gear Reducer, Box Size 30, 20:1 Ratio, 56C FrameCALM30-20/1-56C3020:1Hollow Bore56C
Aluminum Worm Gear Reducer, Box Size 30, 25:1 Ratio, 56C FrameCALM30-25/1-56C3025:1Hollow Bore56C
Aluminum Worm Gear Reducer, Box Size 30, 30:1 Ratio, 56C FrameCALM30-30/1-56C3030:1Hollow Bore56C
Aluminum Worm Gear Reducer, Box Size 30, 40:1 Ratio, 56C FrameCALM30-40/1-56C3040:1Hollow Bore56C
Aluminum Worm Gear Reducer, Box Size 30, 50:1 Ratio, 56C FrameCALM30-50/1-56C3050:1Hollow Bore56C
Aluminum Worm Gear Reducer, Box Size 30, 60:1 Ratio, 56C FrameCALM30-60/1-56C3060:1Hollow Bore56C
Aluminum Worm Gear Reducer, Box Size 30, 7.5:1 Ratio, 56C FrameCALM30-7.5/1-56C307.5:1Hollow Bore56C
Aluminum Worm Gear Reducer, Box Size 40, 10:1 Ratio, 56C FrameCALM40-10/1-56C4010:1Hollow Bore56C
Aluminum Worm Gear Reducer, Box Size 40, 100:1 Ratio, 56C FrameCALM40-100/1-56C40100:1Hollow Bore56C
Aluminum Worm Gear Reducer, Box Size 40, 15:1 Ratio, 56C FrameCALM40-15/1-56C4015:1Hollow Bore56C
Aluminum Worm Gear Reducer, Box Size 40, 20:1 Ratio, 56C FrameCALM40-20/1-56C4020:1Hollow Bore56C
Aluminum Worm Gear Reducer, Box Size 40, 25:1 Ratio, 56C FrameCALM40-25/1-56C4025:1Hollow Bore56C
Aluminum Worm Gear Reducer, Box Size 40, 30:1 Ratio, 56C FrameCALM40-30/1-56C4030:1Hollow Bore56C
Aluminum Worm Gear Reducer, Box Size 40, 40:1 Ratio, 56C FrameCALM40-40/1-56C4040:1Hollow Bore56C
Aluminum Worm Gear Reducer, Box Size 40, 50:1 Ratio, 56C FrameCALM40-50/1-56C4050:1Hollow Bore56C
Aluminum Worm Gear Reducer, Box Size 40, 60:1 Ratio, 56C FrameCALM40-60/1-56C4060:1Hollow Bore56C
Aluminum Worm Gear Reducer, Box Size 40, 7.5:1 Ratio, 56C FrameCALM40-7.5/1-56C407.5:1Hollow Bore56C
Aluminum Worm Gear Reducer, Box Size 40, 80:1 Ratio, 56C FrameCALM40-80/1-56C4080:1Hollow Bore56C
Aluminum Worm Gear Reducer, Box Size 50, 10:1 Ratio, 56C FrameCALM50-10/1-56C5010:1Hollow Bore56C
Aluminum Worm Gear Reducer, Box Size 50, 100:1 Ratio, 56C FrameCALM50-100/1-56C50100:1Hollow Bore56C
Aluminum Worm Gear Reducer, Box Size 50, 15:1 Ratio, 56C FrameCALM50-15/1-56C5015:1Hollow Bore56C
Aluminum Worm Gear Reducer, Box Size 50, 20:1 Ratio, 56C FrameCALM50-20/1-56C5020:1Hollow Bore56C
Aluminum Worm Gear Reducer, Box Size 50, 25:1 Ratio, 56C FrameCALM50-25/1-56C5025:1Hollow Bore56C
Aluminum Worm Gear Reducer, Box Size 50, 30:1 Ratio, 56C FrameCALM50-30/1-56C5030:1Hollow Bore56C
Aluminum Worm Gear Reducer, Box Size 50, 40:1 Ratio, 56C FrameCALM50-40/1-56C5040:1Hollow Bore56C
Aluminum Worm Gear Reducer, Box Size 50, 50:1 Ratio, 56C FrameCALM50-50/1-56C5050:1Hollow Bore56C
Aluminum Worm Gear Reducer, Box Size 50, 60:1 Ratio, 56C FrameCALM50-60/1-56C5060:1Hollow Bore56C
Aluminum Worm Gear Reducer, Box Size 50, 7.5:1 Ratio, 56C FrameCALM50-7.5/1-56C507.5:1Hollow Bore56C
Aluminum Worm Gear Reducer, Box Size 50, 80:1 Ratio, 56C FrameCALM50-80/1-56C5080:1Hollow Bore56C
Aluminum Worm Gear Reducer, Box Size 63, 10:1 Ratio, 145TC FrameCALM63-10/1-145TC6310:1Hollow Bore145TC
Aluminum Worm Gear Reducer, Box Size 63, 10:1 Ratio, 56C FrameCALM63-10/1-56C6310:1Hollow Bore56C
Aluminum Worm Gear Reducer, Box Size 63, 100:1 Ratio, 56C FrameCALM63-100/1-56C63100:1Hollow Bore56C
Aluminum Worm Gear Reducer, Box Size 63, 15:1 Ratio, 145TC FrameCALM63-15/1-145TC6315:1Hollow Bore145TC
Aluminum Worm Gear Reducer, Box Size 63, 15:1 Ratio, 56C FrameCALM63-15/1-56C6315:1Hollow Bore56C
Aluminum Worm Gear Reducer, Box Size 63, 20:1 Ratio, 145TC FrameCALM63-20/1-145TC6320:1Hollow Bore145TC
Aluminum Worm Gear Reducer, Box Size 63, 20:1 Ratio, 56C FrameCALM63-20/1-56C6320:1Hollow Bore56C
Aluminum Worm Gear Reducer, Box Size 63, 25:1 Ratio, 56C FrameCALM63-25/1-56C6325:1Hollow Bore56C
Aluminum Worm Gear Reducer, Box Size 63, 30:1 Ratio, 56C FrameCALM63-30/1-56C6330:1Hollow Bore56C
Aluminum Worm Gear Reducer, Box Size 63, 40:1 Ratio, 56C FrameCALM63-40/1-56C6340:1Hollow Bore56C
Aluminum Worm Gear Reducer, Box Size 63, 50:1 Ratio, 56C FrameCALM63-50/1-56C6350:1Hollow Bore56C
Aluminum Worm Gear Reducer, Box Size 63, 60:1 Ratio, 56C FrameCALM63-60/1-56C6360:1Hollow Bore56C
Aluminum Worm Gear Reducer, Box Size 63, 7.5:1 Ratio, 145TC FrameCALM63-7.5/1-145TC637.5:1Hollow Bore145TC
Aluminum Worm Gear Reducer, Box Size 63, 7.5:1 Ratio, 56C FrameCALM63-7.5/1-56C637.5:1Hollow Bore56C
Aluminum Worm Gear Reducer, Box Size 63, 80:1 Ratio, 56C FrameCALM63-80/1-56C6380:1Hollow Bore56C
Aluminum Worm Gear Reducer, Box Size 75, 10:1 Ratio, 145TC FrameCALM75-10/1-145TC7510:1Hollow Bore145TC
Aluminum Worm Gear Reducer, Box Size 75, 10:1 Ratio, 182/4TC FrameCALM75-10/1-182/4TC7510:1Hollow Bore182/4TC
Aluminum Worm Gear Reducer, Box Size 75, 10:1 Ratio, 56C FrameCALM75-10/1-56C7510:1Hollow Bore56C
Aluminum Worm Gear Reducer, Box Size 75, 100:1 Ratio, 56C FrameCALM75-100/1-56C75100:1Hollow Bore56C
Aluminum Worm Gear Reducer, Box Size 75, 15:1 Ratio, 145TC FrameCALM75-15/1-145TC7515:1Hollow Bore145TC
Aluminum Worm Gear Reducer, Box Size 75, 15:1 Ratio, 182/4TC FrameCALM75-15/1-182/4TC7515:1Hollow Bore182/4TC
Aluminum Worm Gear Reducer, Box Size 75, 15:1 Ratio, 56C FrameCALM75-15/1-56C7515:1Hollow Bore56C
Aluminum Worm Gear Reducer, Box Size 75, 20:1 Ratio, 145TC FrameCALM75-20/1-145TC7520:1Hollow Bore145TC
Aluminum Worm Gear Reducer, Box Size 75, 20:1 Ratio, 56C FrameCALM75-20/1-56C7520:1Hollow Bore56C
Aluminum Worm Gear Reducer, Box Size 75, 25:1 Ratio, 145TC FrameCALM75-25/1-145TC7525:1Hollow Bore145TC
Aluminum Worm Gear Reducer, Box Size 75, 25:1 Ratio, 56C FrameCALM75-25/1-56C7525:1Hollow Bore56C
Aluminum Worm Gear Reducer, Box Size 75, 30:1 Ratio, 145TC FrameCALM75-30/1-145TC7530:1Hollow Bore145TC
Aluminum Worm Gear Reducer, Box Size 75, 30:1 Ratio, 56C FrameCALM75-30/1-56C7530:1Hollow Bore56C
Aluminum Worm Gear Reducer, Box Size 75, 40:1 Ratio, 56C FrameCALM75-40/1-56C7540:1Hollow Bore56C
Aluminum Worm Gear Reducer, Box Size 75, 50:1 Ratio, 56C FrameCALM75-50/1-56C7550:1Hollow Bore56C
Aluminum Worm Gear Reducer, Box Size 75, 60:1 Ratio, 56C FrameCALM75-60/1-56C7560:1Hollow Bore56C
Aluminum Worm Gear Reducer, Box Size 75, 7.5:1 Ratio, 145TC FrameCALM75-7.5/1-145TC757.5:1Hollow Bore145TC
Aluminum Worm Gear Reducer, Box Size 75, 7.5:1 Ratio, 182/4TC FrameCALM75-7.5/1-182/4TC757.5:1Hollow Bore182/4TC
Aluminum Worm Gear Reducer, Box Size 75, 7.5:1 Ratio, 56C FrameCALM75-7.5/1-56C757.5:1Hollow Bore56C
Aluminum Worm Gear Reducer, Box Size 75, 80:1 Ratio, 56C FrameCALM75-80/1-56C7580:1Hollow Bore56C
Aluminum Worm Gear Reducer, Box Size 90, 10:1 Ratio, 145TC FrameCALM90-10/1-145TC9010:1Hollow Bore145TC
Aluminum Worm Gear Reducer, Box Size 90, 10:1 Ratio, 182/4TC FrameCALM90-10/1-182/4TC9010:1Hollow Bore182/4TC
Aluminum Worm Gear Reducer, Box Size 90, 10:1 Ratio, 56C FrameCALM90-10/1-56C9010:1Hollow Bore56C
Aluminum Worm Gear Reducer, Box Size 90, 100:1 Ratio, 56C FrameCALM90-100/1-56C90100:1Hollow Bore56C
Aluminum Worm Gear Reducer, Box Size 90, 15:1 Ratio, 145TC FrameCALM90-15/1-145TC9015:1Hollow Bore145TC
Aluminum Worm Gear Reducer, Box Size 90, 15:1 Ratio, 182/4TC FrameCALM90-15/1-182/4TC9015:1Hollow Bore182/4TC
Aluminum Worm Gear Reducer, Box Size 90, 15:1 Ratio, 56C FrameCALM90-15/1-56C9015:1Hollow Bore56C
Aluminum Worm Gear Reducer, Box Size 90, 20:1 Ratio, 145TC FrameCALM90-20/1-145TC9020:1Hollow Bore145TC
Aluminum Worm Gear Reducer, Box Size 90, 20:1 Ratio, 182/4TC FrameCALM90-20/1-182/4TC9020:1Hollow Bore182/4TC
Aluminum Worm Gear Reducer, Box Size 90, 20:1 Ratio, 56C FrameCALM90-20/1-56C9020:1Hollow Bore56C
Aluminum Worm Gear Reducer, Box Size 90, 25:1 Ratio, 145TC FrameCALM90-25/1-145TC9025:1Hollow Bore145TC
Aluminum Worm Gear Reducer, Box Size 90, 25:1 Ratio, 182/4TC FrameCALM90-25/1-182/4TC9025:1Hollow Bore182/4TC
Aluminum Worm Gear Reducer, Box Size 90, 25:1 Ratio, 56C FrameCALM90-25/1-56C9025:1Hollow Bore56C
Aluminum Worm Gear Reducer, Box Size 90, 30:1 Ratio, 145TC FrameCALM90-30/1-145TC9030:1Hollow Bore145TC
Aluminum Worm Gear Reducer, Box Size 90, 30:1 Ratio, 182/4TC FrameCALM90-30/1-182/4TC9030:1Hollow Bore182/4TC
Aluminum Worm Gear Reducer, Box Size 90, 30:1 Ratio, 56C FrameCALM90-30/1-56C9030:1Hollow Bore56C
Aluminum Worm Gear Reducer, Box Size 90, 40:1 Ratio, 145TC FrameCALM90-40/1-145TC9040:1Hollow Bore145TC
Aluminum Worm Gear Reducer, Box Size 90, 40:1 Ratio, 56C FrameCALM90-40/1-56C9040:1Hollow Bore56C
Aluminum Worm Gear Reducer, Box Size 90, 50:1 Ratio, 145TC FrameCALM90-50/1-145TC9050:1Hollow Bore145TC
Aluminum Worm Gear Reducer, Box Size 90, 50:1 Ratio, 56C FrameCALM90-50/1-56C9050:1Hollow Bore56C
Aluminum Worm Gear Reducer, Box Size 90, 60:1 Ratio, 56C FrameCALM90-60/1-56C9060:1Hollow Bore56C
Aluminum Worm Gear Reducer, Box Size 90, 7.5:1 Ratio, 145TC FrameCALM90-7.5/1-145TC907.5:1Hollow Bore145TC
Aluminum Worm Gear Reducer, Box Size 90, 7.5:1 Ratio, 182/4TC FrameCALM90-7.5/1-182/4TC907.5:1Hollow Bore182/4TC
Aluminum Worm Gear Reducer, Box Size 90, 7.5:1 Ratio, 56C FrameCALM90-7.5/1-56C907.5:1Hollow Bore56C
Aluminum Worm Gear Reducer, Box Size 90, 80:1 Ratio, 56C FrameCALM90-80/1-56C9080:1Hollow Bore56C