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Ring gear large in size / number of tooth. It can be cut to make segment gears and corner racks.
Unit of Measure

Specifications

Gear Type

N/A Internal Gears

Construction

N/A Internal Ring Gears

Module

N/A 2.5

No. of teeth

N/A 120

Shape

N/A T1

Bending Strength

N/A 807 N·m82.3 kgf·m

Surface Durability

N/A 138 N·m14 kgf·m

Backlash

N/A 0.0075-0.0161 in0.19-0.41 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)

Surface Treatment

N/A Black oxide coating

Weight

N/A 5.55 kg12.236 lb

Internal Diameter (A)

N/A 11.614 in295 mm

Pitch Diameter (C)

N/A 11.811 in300 mm

Outer Diameter (D)

N/A 13.976 in355 mm

Face Width (E)

N/A 0.984 in25 mm