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 20 |
Direction of Spiral |
N/A Right Hand |
Shape |
N/A S1K |
Surface Durability |
N/A 9.07 N·m0.92 kgf·m |
Backlash |
N/A 0.0055-0.011 in0.14-0.28 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 0.73 kg1.609 lb |
Dimensions
Bore (A) |
N/A 1.378 in35 mm |
Hub Diameter (B) |
N/A 2.362 in60 mm |
Pitch Diameter (C) |
N/A 2.784 in70.71 mm |
Outer Diameter (D) |
N/A 2.981 in75.71 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 0.394 x 0.13 in10 x 3.3 mm |
Set Screw Size |
N/A M8 |
Set Screw Offset (J) |
N/A 0.315 in8 mm |
