Best mechanical spur gears, ranked

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AI-generated summary · updated August 27, 2026 · verify details before purchase.

1. 

   1 Best overall Boston Gear

   Boston Gear L045-SS Spur Gear, 16DP, 14.5° PA, 45 Teeth, 0.375" Bore, Steel

   $53.00 Only 1 left

   Durable steel spur gear with precise 16DP and 14.5° pressure angle, suitable for general power transmission.

   • Reliable brand
   • Good precision
   • Durable steel

   • Limited size range

   View on Amazon
2. 

   2 Best value Martin

   Martin S1216 Spur Gear, 12DP, 20° PA, 16 Teeth, 0.5" Bore, Steel

   ★★★★☆4.5/5 $39.70

   Affordable and widely used spur gear with 20° pressure angle, ideal for many industrial applications.

   • Low cost
   • Common size
   • Good quality

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3. 3 Best budget pick

   SDP/SI A 1B 2-N12048 Spur Gear, 32DP, 20° PA, 120 Teeth, 0.25" Bore, Acetal

   $8-$12

   Lightweight acetal spur gear for low-load applications, offering excellent value and quiet operation.

   • Very low cost
   • Quiet operation
   • Lightweight

   • Not for heavy loads

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4. 4 Best precision

   PIC Design CG-1080 Spur Gear, 48DP, 20° PA, 80 Teeth, 0.25" Bore, Stainless Steel

   ★★★★☆4/5 $20-$30

   High-precision stainless steel spur gear for critical motion control applications.

   • High precision
   • Corrosion resistant
   • Smooth operation

   • Higher cost

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5. 5 Best brass option

   Mighty-Mite MM-204 Spur Gear, 20DP, 14.5° PA, 20 Teeth, 0.375" Bore, Brass

   $12-$18

   Brass spur gear with low friction and good wear resistance, suitable for light to medium loads.

   • Low friction
   • Good wear resistance
   • Corrosion resistant

   • Softer than steel

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6. 

   6 Best high tooth count Boston Gear

   Boston Gear L060-SS Spur Gear, 16DP, 14.5° PA, 60 Teeth, 0.5" Bore, Steel

   $102.04

   Steel spur gear with 60 teeth for smooth speed reduction, built to last.

   • High tooth count
   • Durable
   • Smooth operation

   View on Amazon
7. 

   7 Best compact gear MARTIN SPROCKET & GEAR INC

   Martin S2424 Spur Gear, 24DP, 20° PA, 24 Teeth, 0.375" Bore, Steel

   ★★★★☆4/5 $38.00

   Compact 24DP steel spur gear for tight spaces, offering reliable performance.

   • Compact size
   • Affordable
   • Reliable

   • Lower torque capacity

   View on Amazon
8. 8 Best for noise reduction

   SDP/SI A 1C 2-M15040 Spur Gear, 48DP, 20° PA, 150 Teeth, 0.1875" Bore, Delrin

   $10-$15

   Delrin spur gear with very fine pitch for quiet, low-vibration applications.

   • Very quiet
   • Low vibration
   • Lightweight

   • Limited strength

   View on Amazon

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