S1242 Spur Gear With 42 Teeth, 14.5 Degree Pressure Angle, 12 Diametral Pitch, 0.625 Inch Bore, 3.666 Inch Outer Diameter, 0.750 Inch Face Width, High Carbon Steel Inch Gear For Quiet Torque Transfer Between Parallel Shafts

High Carbon S1242 Spur Gear: 42 Teeth, 14.5 PA, 12 DP single ✔️ 0.625 in bore, 3.666 in OD, 0.750 in face width, gear

This high carbon steel spur gear is designed to transmit torque between parallel shafts in motorized systems. With a 14.5-degree pressure angle and a diametral pitch of 12, it balances torque transfer with precise speed changes, and it’s suitable for commercial and industrial gear drives in manufacturing, conveyors, and automation setups.

✅ Teeth: 42
✅ Pressure angle: 14.5°
✅ Diametral pitch: 12
✅ Bore: 0.625 in
✅ Outer diameter: 3.666 in
✅ Face width: 0.750 in
✅ Material: High carbon steel

💡 What is a spur gear with a 14.5-degree pressure angle and a 12 DP used for in motorized systems?

In power transmission, this gear is used to transfer rotational motion between parallel shafts with quiet operation and predictable speed changes.

- Transmits torque between parallel shafts
- 14.5° pressure angle improves contact ratio for smoother operation
- 12 DP balances torque transfer with precise speed control
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