Unit of Measure
Specifications
Gear Type |
N/A Racks |
Construction |
N/A Helical Gears |
Module |
N/A 6 |
No. of teeth |
N/A 20 |
Profile Shift Coefficient |
N/A +0.390 |
Shape |
N/A S1 |
Bending Strength |
N/A 1900 N·m194 kgf·m |
Surface Durability |
N/A 402 N·m40.9 kgf·m |
Backlash |
N/A 0.0079-0.0173 in0.20-0.44 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 8.05 kg17.747 lb |
Dimensions
Bore (A) |
N/A 1.181 in30 mm |
Hub Diameter (B) |
N/A 4.331 in110 mm |
Pitch Diameter (C) |
N/A 5.013 in127.32 mm |
Outer Diameter (D) |
N/A 5.669 in144 mm |
Face Width (E) |
N/A 2.362 in60 mm |
Hub Width (F) |
N/A 1.102 in28 mm |
Total Length (G) |
N/A 88 mm3.465 in |
Distance Travled In One Turn |
N/A 15.748 in400 mm |
