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Made of aluminum bronze, have excellent wear-resistance. Wide selection is available for this item.
Unit of Measure

Specifications

Gear Type

N/A Worm Gears

Construction

N/A Aluminum-Bronze Worm Wheels

Bore Type

N/A Finished

Transverse Module

N/A 3

Number of Start

N/A 1

Nominal Lead Angle

N/A 3°54'

Hand of Thread

N/A Right Hand

Reduction Ratio

N/A 40

No. of teeth

N/A 40

Profile Shift Coefficient

N/A 0

Shape

N/A H5K

Throat Diameter (D)

N/A 4.961 in126 mm

Backlash

N/A 0.0063-0.0114 in0.16-0.29 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 3°54'

Pressure Angle

N/A 20 º

Material

N/A CAC702 Aluminum Bronze (formerly JIS AℓBC2)

Weight

N/A 2.02 kg4.453 lb

Dimensions

Bore (A)

N/A 0.866 in22 mm

Hub Diameter (B)

N/A 2.559 in65 mm

Pitch Diameter (C)

N/A 4.724 in120 mm

Outer Diameter (D')

N/A 5.079 in129 mm

Mounting Distance (J)

N/A 3.228 in82 mm

Face Width (E)

N/A 0.984 in25 mm

Hub Width (F)

N/A 0.709 in18 mm

Total Length (G)

N/A 1.693 in43 mm

Web Thickness (H)

N/A 0.394 in10 mm

Web O.D. (I)

N/A 4.055 in103 mm

Keyway (W x D)

N/A 0.236 x 0.11 in6 x 2.8 mm

Set Screw Size

N/A M5

Set Screw Offset (L)

N/A 0.354 in9 mm