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Phosphorous bronze worm wheels have excellent wear resistance. Interchangeable with CG Worm Wheels, and enhances strength.
Unit of Measure

Specifications

Gear Type

N/A Worm Gears

Construction

N/A Bronze Worm Wheels

Bore Type

N/A Finished

Number of Start

N/A 1

Nominal Lead Angle

N/A 3°55′

Hand of Thread

N/A Right Hand

Reduction Ratio

N/A 20

Module

N/A 3

No. of teeth

N/A 20

Profile Shift Coefficient

N/A -0.023

Shape

N/A H1K

Backlash

N/A 0.0059-0.013 in0.15-0.33 mm

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 CAC502 Bronze (formerly JIS PBC2)

Weight

N/A 0.9 kg1.984 lb

Dimensions

Bore (A)

N/A 0.787 in20 mm

Hub Diameter (B)

N/A 1.969 in50 mm

Pitch Diameter (C)

N/A 2.368 in60.14 mm

Throat Diameter (D)

N/A 2.598 in66 mm

Outer Diameter (D')

N/A 2.717 in69 mm

Mounting Distance (J)

N/A 2.047 in52 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

Keyway (W x D)

N/A 0.236 x 0.11 in6 x 2.8 mm

Set Screw Offset (L)

N/A 0.295 in7.5 mm