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The SSA Hubless Spur Gears are made from carbon steel and are NOT hardened. These Spur Gears are lighter weight due to their lack of a hub and are suitable for compact designs. These Hubless Spur Gears are easily customizable and J Series configurations of these Spur Gears are also available.\nHubless gears for lighter and more compact applications.
Unit of Measure

Specifications

Gear Type

N/A Spur Gears

Construction

N/A Carbon Steel Hubless Gears

Bore Type

N/A Plain

Module

N/A 2

No. of Teeth

N/A 40

Shape

N/A S5

Bending Strength

N/A 118 N·m12 kgf·m

Surface Durability

N/A 12.5 N·m1.27 kgf·m

Backlash

N/A 0.0055-0.0118 in0.14-0.30 mm

Precision Grade

N/A JIS grade N8 (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 0.75 kg1.653 lb

Dimensions

Bore Diameter (A)

N/A 0.709 in18 mm

Pitch Diameter (C)

N/A 3.150 in80 mm

Outer Diameter (D)

N/A 3.307 in84 mm

Face Width (E)

N/A 0.787 in20 mm