Boston Gear®
QC738-40F-B9-G

The QC 700 series is the answer to your problem of a quicker reducer to motor assembly time. The new quick connect, self aligning coupling makes installation a breeze. This unique design solves problems for OEMs and maintenance engineers alike.

Boston Gear® Right Angle Helical Worm Gear Drive, Single Reduction, Series: QC700, 40:1 Gear Ratio, 3.33 hp Input/2.6 hp Output/3 hp Motor, Coupled Short Flange Input, Solid Shaft Output, 1-1/8 in Input, 1-5/8 in Output, 43.8 rpm Output Maximum Speed, 1750 rpm Input Maximum Speed, 3747 in-lb, 3-3/4 in Centre Distance, 1/4 x 1/8 in Keyway, 0.78 % Efficiency, Klubersynth UH1 6-460 Lubrication, No Base Mount, Cast Iron, Standard Gray Painted, 10 in L x 11.88 in W x 10.44 in H

• Precision ground worm threads maximize gearbox efficiency
• At low ratio efficiencies of 90 to 95% are common
• The 700 series large oil reservoir provides efficient heat dissipation and lubrication for longer operating life
• Its multi position mounting flexibility allows for installation in virtually any position
• Housings are straddle milled, top and bottom for precise alignment of horizontal and vertical bases
• Internal baffles assure positive and leak free venting
• The 700 series rugged housing, fabricated of fine grained, gear quality cast iron, provides maximum strength for maximum durability, as well as greater precision during worm and gear alignment
• Boston Gear®'s 700 series high strength bronze worm gear is straddle mounted between heavy duty tapered roller bearings to increase thrust and overhung load capacities
• Our 700 series high strength steel output shaft assures capacity for high torque and overhung loads
• Pipe plugs allow easy fill, level and drain in any mounting position
• The 700 series super finished oil seal diameters on both input and output shafts extend seal life
• Standard oil seal

• Specification S... https://externalassets.unilogcorp.com/ASSETS/DOCUMENTS/ITEMS/EN/Boston_Gear_71010G_Specification_Sheet.pdf
• Instruction/Ins... https://externalassets.unilogcorp.com/ASSETS/DOCUMENTS/ITEMS/EN/Boston_Gear_71020J_Manual.pdf
• Catalog https://externalassets.unilogcorp.com/ASSETS/DOCUMENTS/ITEMS/EN/Boston_Gear_71050H_Catalog.pdf