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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°55′

Hand of Thread

N/A Right Hand

Reduction Ratio

N/A 30

Module

N/A 3

No. of teeth

N/A 30

Profile Shift Coefficient

N/A -0.035

Shape

N/A H1

Bore (A)

N/A 0.787 in20 mm

Hub Diameter (B)

N/A 2.165 in55 mm

Pitch Diameter (C)

N/A 3.552 in90.21 mm

Throat Diameter (D)

N/A 3.780 in96 mm

Outer Diameter (D')

N/A 3.898 in99 mm

Mounting Distance (J)

N/A 2.638 in67 mm

Face Width (E)

N/A 1.102 in28 mm

Hub Width (F)

N/A 0.591 in15 mm

Total Length (G)

N/A 1.693 in43 mm

Backlash

N/A 0.0059-0.013 in0.15-0.33 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°55'

Pressure Angle

N/A 14.5 º

Material

N/A FC200 Cast Iron

Weight

N/A 1.5 kg3.307 lb