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Unit of Measure

Specifications

Gear Type

N/A Racks

Construction

N/A Helical Gears

Module

N/A 1.5

No. of teeth

N/A 25

Profile Shift Coefficient

N/A +0.404

Shape

N/A S1

Bending Strength

N/A 46.5 N·m4.75 kgf·m

Surface Durability

N/A 10.3 N·m1.05 kgf·m

Backlash

N/A 0.0031-0.0079 in0.08-0.20 mm

Precision Grade

N/A JIS grade N8 (JIS B1702-1: 1998)

Reference Section of Gear

N/A Normal Plane

Gear Teeth Type

N/A Standard Full Depth

Direction of Rotation

N/A 19° 31’ 41’’ left helix

Pressure Angle

N/A 20 º

Material

N/A S45C

Tooth Hardness

N/A (less than 194HB)

Surface Treatment

N/A Black oxide coating

Weight

N/A 0.26 kg0.573 lb

Dimensions

Bore (A)

N/A 0.472 in12 mm

Hub Diameter (B)

N/A 1.378 in35 mm

Pitch Diameter (C)

N/A 1.567 in39.79 mm

Outer Diameter (D)

N/A 1.732 in44 mm

Face Width (E)

N/A 0.709 in18 mm

Hub Width (F)

N/A 0.551 in14 mm

Total Length (G)

N/A 32 mm1.260 in

Distance Travled In One Turn

N/A 4.921 in125 mm