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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 2.5

No. of Teeth

N/A 30

Direction of Helix

N/A Right Hand

Shape

N/A S1K

Set Screw Size

N/A M8

Bending Strength

N/A 193 N·m19.7 kgf·m

Surface Durability

N/A 201 N·m20.5 kgf·m

Backlash

N/A 0.0047-0.0087 in0.12-0.22 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 0.79 kg1.742 lb

Dimensions

Bore Diameter (A)

N/A 1.378 in35 mm

Hub Diameter (B)

N/A 2.559 in65 mm

Pitch Diameter (C)

N/A 2.953 in75 mm

Outer Diameter (D)

N/A 3.150 in80 mm

Face Width (E)

N/A 0.787 in20 mm

Hub Width (F)

N/A 0.551 in14 mm

Total Length (G)

N/A 1.339 in34 mm

Set Screw Offset (J)

N/A 0.276 in7 mm

Keyway (W x D)

N/A 0.394 x 0.130 in10 x 3.3 mm