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Unit of Measure

Specifications

Gear Type

N/A Spur Gears

Construction

N/A Thermal Refined Spur Gears

Module

N/A 3

No. of Teeth

N/A 20

Shape

N/A S1K

Bending Strength

N/A 297 N·m30.3 kgf·m

Surface Durability

N/A 63.8 N·m6.51 kgf·m

Backlash

N/A 0.0055-0.0126 in0.14-0.32 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 SCM440

Heat Treatment

N/A Thermal Refining Only

Tooth Hardness

N/A 225-285HB

Surface Treatment

N/A Black oxide coating

Weight

N/A 0.9 kg1.984 lb

Dimensions

Bore Diameter (A)

N/A 0.591 in15 mm

Hub Diameter (B)

N/A 1.969 in50 mm

Pitch Diameter (C)

N/A 2.362 in60 mm

Outer Diameter (D)

N/A 2.598 in66 mm

Face Width (E)

N/A 1.181 in30 mm

Hub Width (F)

N/A 0.787 in20 mm

Total Length (G)

N/A 1.969 in50 mm

Set Screw (J)

N/A 10 in10 mm

Keyway

N/A 0.197 x 0.091 in5×2.3 mm

Screw Size

N/A M4