• Overall Ratio: 16:1
• Gear Material: High-Strength Nylon
• Weight: 1.16 pounds (without motor)
• Input: 8mm (0.313") Shaft, 2mm keyway
• Output Shaft: 1/2" Diameter, 1/8" keyway, 4140 steel
• Max Output Torque: 70 foot-pounds

Included Hardware:

• One - Plastic Worm Gear (am-0934)
  
• One - Plastic Driven Gear, 32 tooth (am-0933)
  
• One - Back Plate (am-0918)
  
• One - Output Plate (am-0919)
  
• One - End Plate (am-0920)
  
• One - Motor Plate (am-0921)
  
• One - Output Shaft (am-0922)
  
• One - Worm Shaft (am-0923)
  
• One - Spacer, 0.475" long, 0.33" id (am-0925)
  
• Two - FR8ZZ Bearing (1/2" id, flanged) (am-0030)
  
• One - FR6ZZ Bearing (3/8" id, flanged) (am-0028)
  
• One - Shaft Adapter, 8mm to 500 Hex (am-0588)
  
• Four - Nylock Nut, #10-32
• One - 1/4 Washer
• One - 1/4-20 x 1/2 BHCS
• Four - #10-32 x 1-3/4 SHCS
• Two - #10-32 x 3/4 SHCS
• Two - Spring Pin, 3/16 x 3/4
• One - 1/8" Machine Key (am-1043)
  
• Two - Plastic Spacer, 3/16" long, 1/2" id
• One - 2mm Machine Key (am-01121)
  
• Two - Worm Gear Hub Sleeve