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The SSG Ground Spur Gears are made from carbon steel, are induction hardened and the teeth are ground finished. Since the heat treatment is applied only to the tooth area, secondary operations can be preformed on the hub and bore. J Series configurations of the SSG Ground Spur Gears are available.
Unit of Measure

Specifications

Gear Type

 N/A Spur Gears

Construction

 N/A Ground Carbon Steel Spur Gears

Bore Type

 N/A Ground

Module

 N/A 0.5

No. of Teeth

 N/A 38

Shape

 N/A S1T

Set Screw Size

 N/A M4

Bending Strength

 N/A 2.23 N·m0.227 kgf·m

Surface Durability

 N/A 0.49 N·m0.05 kgf·m

Backlash

 N/A 0.0000-0.0031 in0-0.08 mm

Precision Grade

 N/A JIS grade N7 (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 200-270HB

Surface Treatment

 N/A Black oxide coated except for teeth

Weight

 N/A 0.02 kg0.044 lb

Dimensions

Bore Diameter (A)

 N/A 0.197 in5 mm

Hub Diameter (B)

 N/A 0.630 in16 mm

Pitch Diameter (C)

 N/A 0.748 in19 mm

Outer Diameter (D)

 N/A 0.787 in20 mm

Face Width (E)

 N/A 0.197 in5 mm

Hub Width (F)

 N/A 0.276 in7 mm

Total Length (G)

 N/A 0.472 in12 mm

Set Screw Offset (J)

 N/A 0.138 in3.5 mm