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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 Finished

Module

N/A 2

No. of Teeth

N/A 48

Shape

N/A S5K

Bending Strength

N/A 148 N·m15.1 kgf·m

Surface Durability

N/A 18.3 N·m1.87 kgf·m

Backlash

N/A 0.0071-0.0142 in0.18-0.36 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 1.1 kg2.425 lb

Dimensions

Bore Diameter (A)

N/A 0.787 in20 mm

Pitch Diameter (C)

N/A 3.780 in96 mm

Outer Diameter (D)

N/A 3.937 in100 mm

Face Width (E)

N/A 0.787 in20 mm

Keyway (W x D)

N/A 0.236 x 0.110 in6 x 2.8 mm