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Fine pitch worm wheels made of polyacetal, a stable plastic material.
Unit of Measure

Specifications

Gear Type

 N/A Worm Gears

Construction

 N/A Bronze Worm Wheels

Bore Type

 N/A Plain

Number of Start

 N/A 1

Nominal Lead Angle

 N/A 2°36'

Hand of Thread

 N/A Right Hand

Reduction Ratio

 N/A 40

Module

 N/A 0.5

No. of teeth

 N/A 40

Profile Shift Coefficient

 N/A -0.021

Shape

 N/A HA

Bending Strength

 N/A 0.16 N·m0.016 kgf·m

Backlash

 N/A 0-0.0063 in0-0.16 mm

Precision Grade

 N/A KHK W 002 grade 5

Reference Section of Gear

 N/A Normal Plane

Gear Teeth Type

 N/A Standard Full Depth

Helix Angle

 N/A 2°36'

Pressure Angle

 N/A 20 º

Material

 N/A Polyacetal

Weight

 N/A 0.00372 kg0.008 lb

Dimensions

Bore (A)

 N/A 0.197 in5 mm

Hub Diameter (B)

 N/A 0.591 in15 mm

Pitch Diameter (C)

 N/A 0.788 in20.02 mm

Outer Diameter (D')

 N/A 0.827 in21 mm

Mounting Distance (J)

 N/A 0.610 in15.5 mm

Face Width (E)

 N/A 0.197 in5 mm

Hub Width (F)

 N/A 0.276 in7 mm

Total Length (G)

 N/A 0.472 in12 mm