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When used with Boston Gear worms, Boston Gear's worm gears provide effective power transmission in applications requiring high-ratio speed reduction in a limited space using right angle (90°), non-intersecting shafts. They are also the smoothest, quietest form of gearing when properly applied.Boston Gear offers worm gears manufactured from a variety of materials, such as acetal, minlon, bronze, and cast iron to suit your application's requirements.Note: Because the efficiency of a worm gear drive depends on the lead angle and number of starts on the worm, the ratio should be kept low. To run properly, worms and worm gears operating together must have the same diametrical pitch and threads.
features
Increased efficiency with lower ratios
Resistance to back driving with some ratios
Minimal space requirements
High ratio speed reduction
Smoothest, quietest form of gearing
90° nonintersecting shaft applications
Length Through Bore
0.406 in
No. of Leads
Single
Center Distance
0.875 in
No. of Teeth
30
Pressure Angle
14 1/2 degrees
Material
Acetal with Brass Inserts
Helix Angle
3° 35'
Hardened Teeth
Without Hardened Teeth
Hub Dia.
0.44 in
No. of Threads
Single
Bore Dia.
0.188 in
Ratio
30:1
Flush Face to Worm Centerline
0.078
Bore Size
0.1875 in
Pitch Diameter
0.625 in
Right / Left Hand
Right Hand
Diametral Pitch
48
Weight
0.011 LB
EAN or UPC
781711541203
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