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Have excellent strength and wear resistance which allow your designs to be more compact.
Unit of Measure

Specifications

Gear Type

N/A Helical Gears

Construction

N/A Ground Helical Gears

Bore Type

N/A Finished

Tansverse Module

N/A 2

No. of Teeth

N/A 80

Direction of Helix

N/A Left Hand

Shape

N/A S1K

Set Screw Size

N/A M10

Bending Strength

N/A 301 N·m30.7 kgf·m

Surface Durability

N/A 799 N·m81.4 kgf·m

Backlash

N/A 0.0055-0.0094 in0.14-0.24 mm

Precision Grade

N/A JIS grade N6 (JIS B1702-1:1998)

Reference Section of Gear

N/A Rotating Plane

Gear Teeth Type

N/A Standard Full Depth

Transverse Pressure Angle

N/A 20 º

Helix Angle

N/A 21º30'

Material

N/A SCM440

Tooth Hardness

N/A HRC 50-60

Heat Treatment

N/A Thermal Refined, Tooth Surface Induction Hardened

Surface Treatment

N/A Black oxide coated except for ground part

Weight

N/A 2.65 kg5.842 lb

Dimensions

Bore Diameter (A)

N/A 1.772 in45 mm

Hub Diameter (B)

N/A 3.150 in80 mm

Pitch Diameter (C)

N/A 6.299 in160 mm

Outer Diameter (D)

N/A 6.457 in164 mm

Face Width (E)

N/A 0.630 in16 mm

Hub Width (F)

N/A 0.512 in13 mm

Total Length (G)

N/A 1.142 in29 mm

Set Screw Offset (J)

N/A 0.256 in6.5 mm

Keyway (W x D)

N/A 0.551 x 0.150 in14 x 3.8 mm