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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 Finished

Number of Start

N/A 1

Nominal Lead Angle

N/A 3°35'

Hand of Thread

N/A Right Hand

Reduction Ratio

N/A 120

Module

N/A 1

No. of teeth

N/A 120

Profile Shift Coefficient

N/A -0.118

Shape

N/A H1K

Bore (A)

N/A 0.709 in18 mm

Hub Diameter (B)

N/A 1.575 in40 mm

Pitch Diameter (C)

N/A 4.734 in120.24 mm

Throat Diameter (D)

N/A 4.803 in122 mm

Outer Diameter (D')

N/A 4.843 in123 mm

Mounting Distance (J)

N/A 2.677 in68 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

Keyway (W x D)

N/A 0.236 x 0.11 in6 x 2.8 mm

Set Screw Offset (L)

N/A M5

Set Screw l

N/A 0.197 in5 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 0.87 kg1.918 lb