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Allows large gear ratios. Can also be used as segment gears and corner racks.
Unit of Measure

Specifications

Gear Type

N/A Spur Gears

Construction

N/A Carbon Steel External Ring Gears

Bore Type

N/A Plain

Module

N/A 2.5

No. of Teeth

N/A 200

Shape

N/A S5

Bending Strength

N/A 1230 N·m126 kgf·m

Surface Durability

N/A 169 N·m17.2 kgf·m

Backlash

N/A 0.0087-0.0181 in0.22-0.46 mm

Precision Grade

N/A JIS grade N9 (JIS B1702-1:1998)

Gear Teeth Type

N/A Standard Full Depth

Pressure Angle

N/A 20 º

Material

N/A S45C (AISI 1045) Carbon Steel

Tooth Hardness

N/A less than 194HB

Weight

N/A 8.01 kg17.659 lb

Dimensions

Bore Diameter (A)

N/A 17.520 in445 mm

Pitch Diameter (C)

N/A 19.685 in500 mm

Outer Diameter (D)

N/A 19.882 in505 mm

Face Width (E)

N/A 0.984 in25 mm