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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 2.5

Number of Start

N/A 1

Nominal Lead Angle

N/A 3°52′

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 4.134 in105 mm

Backlash

N/A 0.0055-0.0106 in0.14-0.27 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°52'

Pressure Angle

N/A 20 º

Material

N/A CAC702 Aluminum Bronze (formerly JIS AℓBC2)

Weight

N/A 1.1 kg2.425 lb

Dimensions

Bore (A)

N/A 0.709 in18 mm

Hub Diameter (B)

N/A 1.772 in45 mm

Pitch Diameter (C)

N/A 3.937 in100 mm

Outer Diameter (D')

N/A 4.232 in107.5 mm

Mounting Distance (J)

N/A 2.697 in68.5 mm

Face Width (E)

N/A 0.787 in20 mm

Hub Width (F)

N/A 0.551 in14 mm

Total Length (G)

N/A 1.339 in34 mm

Web Thickness (H)

N/A 0.433 in11 mm

Web O.D. (I)

N/A 3.189 in81 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 0.276 in7 mm