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Economical, commonly used worm wheels that have broad utility. Available with a large selection of modules and number of teeth.
Unit of Measure

Specifications

Gear Type

N/A Worm Gears

Construction

N/A Cast Iron Worm Wheels

Bore Type

N/A Plain

Number of Start

N/A 1

Nominal Lead Angle

N/A 3°35'

Hand of Thread

N/A Right Hand

Reduction Ratio

N/A 80

Module

N/A 1

No. of teeth

N/A 80

Profile Shift Coefficient

N/A -0.078

Shape

N/A H1

Bore (A)

N/A 0.394 in10 mm

Hub Diameter (B)

N/A 1.378 in35 mm

Pitch Diameter (C)

N/A 3.156 in80.16 mm

Throat Diameter (D)

N/A 3.228 in82 mm

Outer Diameter (D')

N/A 3.268 in83 mm

Mounting Distance (J)

N/A 1.890 in48 mm

Face Width (E)

N/A 0.394 in10 mm

Hub Width (F)

N/A 0.394 in10 mm

Total Length (G)

N/A 0.787 in20 mm

Backlash

N/A 0.0024-0.0094 in0.06-0.24 mm

Precision Grade

N/A KHK W 002 grade 4

Reference Section of Gear

N/A Normal Plane

Gear Teeth Type

N/A Standard Full Depth

Helix Angle

N/A 3°35'

Pressure Angle

N/A 20 º

Material

N/A FC200 Cast Iron

Weight

N/A 0.43 kg0.948 lb