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Popular screw gears. Additionally, gear tooth induction hardening secondary operations can be performed.
Unit of Measure

Specifications

Gear Type

N/A Screw Gears

Construction

N/A Carbon Steel Screw Gears

Bore Type

N/A Finished

Module

N/A 2.5

No. of teeth

N/A 26

Direction of Spiral

N/A Right Hand

Shape

N/A S1K

Surface Durability

N/A 18.8 N·m1.91 kgf·m

Backlash

N/A 0.0063-0.0134 in0.16-0.34 mm

Precision Grade

N/A JIS grade N9 (JIS B1702-1:1998)

Reference Section of Gear

N/A Normal Plane

Gear Teeth Type

N/A Standard Full Depth

Helix Angle

N/A 45 º

Pressure Angle

N/A 20 º

Material

N/A S45C (AISI 1045) Carbon Steel

Tooth Hardness

N/A (less than 194HB)

Surface Treatment

N/A Black oxide coating

Weight

N/A 1.43 kg3.153 lb

Dimensions

Bore (A)

N/A 1.102 in28 mm

Hub Diameter (B)

N/A 2.756 in70 mm

Pitch Diameter (C)

N/A 3.619 in91.92 mm

Outer Diameter (D)

N/A 3.816 in96.92 mm

Face Width (E)

N/A 0.866 in22 mm

Hub Width (F)

N/A 0.630 in16 mm

Total Length (G)

N/A 1.496 in38 mm

Keyway (W x D)

N/A 0.315 x 0.13 in8 x 3.3 mm

Set Screw Size

N/A M6

Set Screw Offset (J)

N/A 0.315 in8 mm