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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 1

No. of Teeth

N/A 70

Direction of Helix

N/A Right Hand

Shape

N/A S1K

Set Screw Size

N/A M4

Bending Strength

N/A 35.2 N·m3.58 kgf·m

Surface Durability

N/A 68.9 N·m7.02 kgf·m

Backlash

N/A 0.0039-0.0071 in0.10-0.18 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 0.31 kg0.683 lb

Dimensions

Bore Diameter (A)

N/A 0.591 in15 mm

Hub Diameter (B)

N/A 1.575 in40 mm

Pitch Diameter (C)

N/A 2.756 in70 mm

Outer Diameter (D)

N/A 2.835 in72 mm

Face Width (E)

N/A 0.315 in8 mm

Hub Width (F)

N/A 0.394 in10 mm

Total Length (G)

N/A 0.709 in18 mm

Set Screw Offset (J)

N/A 0.197 in5 mm

Keyway (W x D)

N/A 0.197 x 0.091 in5 x 2.3 mm