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Made of aluminum bronze, have excellent wear-resistance. Allows compact design.
Unit of Measure

Specifications

Gear Type

N/A Worm Gears

Construction

N/A Aluminum-Bronze Worm Wheels

Bore Type

N/A Plain

Transverse Module

N/A 3

Number of Start

N/A 1

Nominal Lead Angle

N/A 4°31'

Hand of Thread

N/A Right Hand

Reduction Ratio

N/A 30

No. of teeth

N/A 30

Profile Shift Coefficient

N/A 0.333

Shape

N/A H6

Backlash

N/A 0.0024-0.0063 in0.06-0.16 mm

Precision Grade

N/A KHK W 002 grade 2

Reference Section of Gear

N/A Rotating Plane

Gear Teeth Type

N/A Standard Full Depth

Helix Angle

N/A 4°31'

Pressure Angle

N/A 20 º

Material

N/A CAC702 (old JIS Aℓ BC2)

Weight

N/A 1.63 kg3.593 lb

Dimensions

Bore (A)

N/A 0.787 in20 mm

Hub Diameter (B)

N/A 2.165 in55 mm

Pitch Diameter (C)

N/A 3.543 in90 mm

Throat Diameter (D)

N/A 3.858 in98 mm

Outer Diameter (D')

N/A 3.976 in101 mm

Mounting Distance (J)

N/A 2.559 in65 mm

Face Width (E)

N/A 0.984 in25 mm

Hub Width (F)

N/A 0.295 in7.5 mm

Hub Width Right (F')

N/A 0.689 in17.5 mm

Total Length (G)

N/A 1.969 in50 mm