The SSAY Hubless Spur Gears are made from carbon steel and are NOT hardened. These Spur Gears are designed with a narrower face width than the SSA Series Spur Gears. These Spur Gears are suitable for light-duty applications. These Spur Gears are easily customizable.
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Hubless Thin Face Spur Gears SSAY

KHK SSAY1-20, Module 1, 20 Tooth, Carbon Steel Thin Face Hubless Gears
Hubless Thin Face Spur Gears SSAY

KHK SSAY1-24, Module 1, 24 Tooth, Carbon Steel Thin Face Hubless Gears
Hubless Thin Face Spur Gears SSAY

KHK SSAY1-25, Module 1, 25 Tooth, Carbon Steel Thin Face Hubless Gears
Hubless Thin Face Spur Gears SSAY

KHK SSAY1-28, Module 1, 28 Tooth, Carbon Steel Thin Face Hubless Gears
Hubless Thin Face Spur Gears SSAY

KHK SSAY1-30, Module 1, 30 Tooth, Carbon Steel Thin Face Hubless Gears
Gear Type N/A Spur Gears
Construction N/A Carbon Steel Thin Face Hubless Gears
Bore Type N/A Plain
Module N/A 1
No. of Teeth N/A 20 N/A 24 N/A 25 N/A 28 N/A 30
Shape N/A S5
Bore Diameter (A) N/A 0.236 in6 mm
Pitch Diameter (C) N/A 0.787 in20 mm N/A 0.945 in24 mm N/A 0.984 in25 mm N/A 1.102 in28 mm N/A 1.181 in30 mm
Outer Diameter (D) N/A 0.866 in22 mm N/A 1.024 in26 mm N/A 1.063 in27 mm N/A 1.181 in30 mm N/A 1.260 in32 mm
Face Width (E) N/A 0.236 in6 mm
Bending Strength N/A 3.45 N·m0.35 kgf·m N/A 4.48 N·m0.46 kgf·m N/A 4.74 N·m0.48 kgf·m N/A 5.55 N·m0.57 kgf·m N/A 6.08 N·m0.62 kgf·m
Surface Durability N/A 0.2 N·m0.021 kgf·m N/A 0.3 N·m0.03 kgf·m N/A 0.32 N·m0.033 kgf·m N/A 0.41 N·m0.042 kgf·m N/A 0.47 N·m0.048 kgf·m
Backlash N/A 0.0031-0.0071 in0.08-0.18 mm
Precision Grade N/A JIS grade N8 (JIS B1702-1:1998)
Gear Teeth Type N/A Standard Full Depth
Pressure Angle N/A 20 º
Material N/A S45C (AISI 1045) Carbon Steel
Surface Treatment N/A Black oxide coating
Tooth Hardness N/A less than 194HB
Weight N/A 0.013 kg0.029 lb N/A 0.02 kg0.044 lb N/A 0.022 kg0.049 lb N/A 0.028 kg0.062 lb N/A 0.032 kg0.071 lb