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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 2

Number of Start

N/A 1

Nominal Lead Angle

N/A 3°41'

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 H4K

Throat Diameter (D)

N/A 3.307 in84 mm

Backlash

N/A 0.0043-0.0094 in0.11-0.24 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°41'

Pressure Angle

N/A 20 º

Material

N/A CAC702 Aluminum Bronze (formerly JIS AℓBC2)

Weight

N/A 0.85 kg1.874 lb

Dimensions

Bore (A)

N/A 0.472 in12 mm

Hub Diameter (B)

N/A 1.772 in45 mm

Pitch Diameter (C)

N/A 3.150 in80 mm

Outer Diameter (D')

N/A 3.386 in86 mm

Mounting Distance (J)

N/A 2.185 in55.5 mm

Face Width (E)

N/A 0.709 in18 mm

Hub Width (F)

N/A 0.591 in15 mm

Total Length (G)

N/A 1.299 in33 mm

Keyway (W x D)

N/A 0.157 x 0.071 in4 x 1.8 mm

Set Screw Size

N/A M4

Set Screw Offset (L)

N/A 0.295 in7.5 mm