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Unit of Measure

Specifications

Gear Type

N/A Spur Gears

Construction

N/A Thermal Refined Spur Gears

Module

N/A 4

No. of Teeth

N/A 20

Shape

N/A S1K

Bending Strength

N/A 705 N·m71.9 kgf·m

Surface Durability

N/A 156 N·m16 kgf·m

Backlash

N/A 0.0071-0.0150 in0.18-0.38 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 2.07 kg4.564 lb

Dimensions

Bore Diameter (A)

N/A 0.787 in20 mm

Hub Diameter (B)

N/A 2.559 in65 mm

Pitch Diameter (C)

N/A 3.150 in80 mm

Outer Diameter (D)

N/A 3.465 in88 mm

Face Width (E)

N/A 1.575 in40 mm

Hub Width (F)

N/A 0.984 in25 mm

Total Length (G)

N/A 2.559 in65 mm

Set Screw (J)

N/A 12.5 in12.5 mm

Keyway

N/A 0.236 x 0.11 in6×2.8 mm

Screw Size

N/A M5