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    • eBay
      • Business & Industrial
      • Industrial Automation & Motion Controls
    • Business & Industrial
    • Industrial Automation & Motion Controls
    • Mechanical Power Transmission
    • Gears & Gear Racks

    Industrial Gears & Gear Racks

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    • Mechanical Power Transmission
    • Gears & Gear Racks
    • Bevel Gears
    • Change Gears
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    • Helical Gears
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    • Spur Gears
    • Worms & Worm Gears
    • Other Industrial Gears

    Best Selling

    See All- Best Selling
    • Boston Gear NB18B Gear Spur 16 Pitch
      Boston Gear NB18B Gear Spur 16 Pitch
      $36.72 New
    • Boston Steel Miter Gear 12156 L112Y 16 Pitch Teeth 24 Pressure Angle 20º
      Boston Steel Miter Gear 12156 L112Y 16 Pitch Teeth 24 Pressure Angle 20º
      (1)Total Ratings 1
      $15.95 New
    • Martin Sprocket & Gear HMK1025 Miter Gear. Loc 23aa*
      Martin Sprocket & Gear HMK1025 Miter Gear. Loc 23aa*
      $130.70 New
    • ARMSTRONG B1671-4 PRESSURE CHANGE KIT STEAM TRAP REPLACEMENT PART D365923
      ARMSTRONG B1671-4 PRESSURE CHANGE KIT STEAM TRAP REPLACEMENT PART D365923
      $164.95 New
    • Boston Gear NA12B Gear Spur 20 Pitch
      Boston Gear NA12B Gear Spur 20 Pitch
      $17.25 New
    • Boston Gear NF40 Gear Spur 10 Pitch
      Boston Gear NF40 Gear Spur 10 Pitch
      $82.41 New
    • Boston Gear H1612R Plain Helical Gear 45 Degree Helix 14.5 Degree Pressure
      Boston Gear H1612R Plain Helical Gear 45 Degree Helix 14.5 Degree Pressure
      $9.90 New
    • Gear Spur 10 Pitch Boston Gear Nf16 B
      Gear Spur 10 Pitch Boston Gear Nf16 B
      (1)Total Ratings 1
      $59.79 New
    • All

    • Auction

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    • Best Match
    • Time: ending soonest
    • Time: newly listed
    • Price + Shipping: lowest first
    • Price + Shipping: highest first
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    • List View

    6,085 Results

      • All Listings filter applied
    • 1Mod 1 Modulus Gear Rack Steel 10*10*500Mm Gear Rack Precision Straight Teeth
      SPONSORED

      1Mod 1 Modulus Gear Rack Steel 10*10*500Mm Gear Rack Precision Straight Teeth

      $13.57
      Free shipping
      or Best Offer
    • Martin Steel External Tooth Spur Gear 35-Teeth 2.5" Face 1-1/4 to 2-3/8" Bore
      SPONSORED

      Martin Steel External Tooth Spur Gear 35-Teeth 2.5" Face 1-1/4 to 2-3/8" Bore

      $275.68
      Was: $551.36
      Free shipping
      or Best Offer
    • Left/Right Spiral Bevel Gears 1.5/2/2.5/3/4 Modulus 90° 1:1 Pairing 20T 25T 30T
      SPONSORED

      Left/Right Spiral Bevel Gears 1.5/2/2.5/3/4 Modulus 90° 1:1 Pairing 20T 25T 30T

      $12.99 to $209.59
      $6.75 shipping
    • Boston Worm Gear 100-Teeth Bronze 1.25" Bore GB8100
      SPONSORED

      Boston Worm Gear 100-Teeth Bronze 1.25" Bore GB8100

      $249.17
      Was: $622.92
      Free shipping
      or Best Offer
    • 195493 New-No Box; Martin SS1234 Keyed Gear; 3/4"ID; 3"OD; 1.125"W

      195493 New-No Box; Martin SS1234 Keyed Gear; 3/4"ID; 3"OD; 1.125"W

      $137.41
      Free shipping
    • 18:1 Globoid Double Enveloping Worm gear set from Germany Free Returns

      18:1 Globoid Double Enveloping Worm gear set from Germany Free Returns

      $14.99
      or Best Offer
    • 24 PITCH SOLID BRASS SPUR GEARS DIY GEARS BOSTON MA. MAKER, ROBOT, REDUCER BOX !

      24 PITCH SOLID BRASS SPUR GEARS DIY GEARS BOSTON MA. MAKER, ROBOT, REDUCER BOX !

      $13.00 to $39.00
      $4.50 shipping
      54 sold
    • 1 SET NWSL WORM GEAR SET 37 TEETH 37:1 RATIO 80 PITCH RIGHT HAND PRESS FIT BORES

      1 SET NWSL WORM GEAR SET 37 TEETH 37:1 RATIO 80 PITCH RIGHT HAND PRESS FIT BORES

      $25.00
      $4.50 shipping
      or Best Offer
      Only 1 left!
    • 1 Mod Spur Gear Pinion C45 Steel Gear Motor Gear with Steps 10T-150T Bore 4-25mm

      1 Mod Spur Gear Pinion C45 Steel Gear Motor Gear with Steps 10T-150T Bore 4-25mm

      $2.69 to $56.89
      $4.99 shipping
    • TRADESHIP BRASS BEVEL GEAR SET 60/10 TEETH 6:1 RATIO 1/8 BORE SLOT CAR HOBBY ETC

      TRADESHIP BRASS BEVEL GEAR SET 60/10 TEETH 6:1 RATIO 1/8 BORE SLOT CAR HOBBY ETC

      $4.50
      $4.50 shipping
    • 2 Mod 10T-127T Spur Gear 45# Steel Thickness 20mm Motor Pinion Transmission Gear

      2 Mod 10T-127T Spur Gear 45# Steel Thickness 20mm Motor Pinion Transmission Gear

      $3.19 to $224.05
      $3.99 shipping
    • 0.5M Plastic Spindle Small Gear 2MM 1.95MM 2A 8/9/10/11/12/13/14/16/18/20 Teeth

      0.5M Plastic Spindle Small Gear 2MM 1.95MM 2A 8/9/10/11/12/13/14/16/18/20 Teeth

      $1.69 to $14.99
      $5.49 shipping
    •  DIY MAKER SPUR GEARS FROM BOSTON MA.1/4" BORE 8 PITCH, HUBS, SHAFT, GEAR RACK

      DIY MAKER SPUR GEARS FROM BOSTON MA.1/4" BORE 8 PITCH, HUBS, SHAFT, GEAR RACK

      $2.00 to $23.00
      $5.50 shipping
    • Browning External Tooth Spur Gear 54 T Steel 1/2 to 1-3/4" Bore NSS8P54
      SPONSORED

      Browning External Tooth Spur Gear 54 T Steel 1/2 to 1-3/4" Bore NSS8P54

      $209.03
      Was: $522.58
      Free shipping
      or Best Offer
    • 092624 - DODGE QUANTIS REDUCER KIT 092624 RHB / MSM 88 TTB KIT 1.9375
      SPONSORED

      092624 - DODGE QUANTIS REDUCER KIT 092624 RHB / MSM 88 TTB KIT 1.9375

      $119.99
      Free shipping
    • MARTIN  PB14MX29S90 MPC Sprocket Minimum Plain Bore
      SPONSORED

      MARTIN PB14MX29S90 MPC Sprocket Minimum Plain Bore

      $199.99
      Free shipping
    • Boston Worm Gear G1055-R 100:1 Worm Gear and Worm Set Right Hand Suplus Not Used

      Boston Worm Gear G1055-R 100:1 Worm Gear and Worm Set Right Hand Suplus Not Used

      $250.00
      $9.50 shipping
    • 2 Mod Spur Gear 10T-127T Teeth Transmission Gear 45# Steel 2M Module Motor Gear

      2 Mod Spur Gear 10T-127T Teeth Transmission Gear 45# Steel 2M Module Motor Gear

      $4.45 to $247.65
      $3.99 shipping
    • 1 Mod Spur Gear 10-150 Teeth Transmission Gear 45# Steel Pinion Gear Bore 4-15mm

      1 Mod Spur Gear 10-150 Teeth Transmission Gear 45# Steel Pinion Gear Bore 4-15mm

      $2.69 to $63.75
      $3.99 shipping
    • 1.5 Modul Steel Spur Gears Pinion Gear Thickness 15mm 12-60 Teeth  For 3D CNC

      1.5 Modul Steel Spur Gears Pinion Gear Thickness 15mm 12-60 Teeth For 3D CNC

      $2.68 to $68.19
      $3.99 shipping
    • Module 1.0 Spur Gear Pinion Gears #45 Steel 12T to 150T Metal Spur Transmission

      Module 1.0 Spur Gear Pinion Gears #45 Steel 12T to 150T Metal Spur Transmission

      $2.25 to $73.59
      $3.99 shipping
    • 2 X Plastic Worm Gear for 2 mm Shafts - 10 mm L - 6 mm OD - 1.9 mm ID for 2.0 mm

      2 X Plastic Worm Gear for 2 mm Shafts - 10 mm L - 6 mm OD - 1.9 mm ID for 2.0 mm

      $9.95
    • 1 PACKAGE TRADESHIP BRASS HYPOID BEVEL GEAR SET 16/32 TEETH 2:1 RATIO SLOT CAR

      1 PACKAGE TRADESHIP BRASS HYPOID BEVEL GEAR SET 16/32 TEETH 2:1 RATIO SLOT CAR

      $13.00
      $4.50 shipping
    • 1Pc 1Mod 15T 18T Stepper Motor Mech Rack & Gear 6/8/10Mm 45 Steel Cnc Gear

      1Pc 1Mod 15T 18T Stepper Motor Mech Rack & Gear 6/8/10Mm 45 Steel Cnc Gear

      $5.99 to $6.20
      Free shipping
    • 1.5M 45# Steel Spur Gears 15mm Thick 12-120 Teeth 21-183mm OD Transmission Gear

      1.5M 45# Steel Spur Gears 15mm Thick 12-120 Teeth 21-183mm OD Transmission Gear

      $2.45 to $122.33
      $3.99 shipping
    • 1.5Mod 20T-100T Spur Gear With Step 45#Steel Motor Pinion Gear Tooth Height 15mm

      1.5Mod 20T-100T Spur Gear With Step 45#Steel Motor Pinion Gear Tooth Height 15mm

      $9.20 to $125.39
      $4.99 shipping
    • 1.5 Mod Spur Gear 1.5M 12T-120T Teeth Flat Gear,Motor Transmission Gear,45#Steel

      1.5 Mod Spur Gear 1.5M 12T-120T Teeth Flat Gear,Motor Transmission Gear,45#Steel

      $2.49 to $95.65
      $4.99 shipping
    • 2 Mod Spur Gear 2M 10T-127T Teeth Flat Gear,Car Motor Transmission Gear,45#Steel

      2 Mod Spur Gear 2M 10T-127T Teeth Flat Gear,Car Motor Transmission Gear,45#Steel

      $4.09 to $215.75
      $4.99 shipping
    • BOSTON GEAR BRONZE WORM GEAR SET 25:1 RATIO 5/8" AND 3/4” BORE 12 PITCH 2 LEAD
      SPONSORED

      BOSTON GEAR BRONZE WORM GEAR SET 25:1 RATIO 5/8" AND 3/4” BORE 12 PITCH 2 LEAD

      $158.00
      $18.00 shipping
    • Martin Gear Spur Steel S316
      SPONSORED

      Martin Gear Spur Steel S316

      $339.35
      Was: $848.38
      Free shipping
      or Best Offer
    • Boston Gear Double Reduction In-Line Helical Gear Drive F832B-10K-B5-M1
      SPONSORED

      Boston Gear Double Reduction In-Line Helical Gear Drive F832B-10K-B5-M1

      $311.58
      Was: $778.95
      Free shipping
      or Best Offer
    • 1 Mod Spur Gear Pinion C45 Steel Gear Motor Gear with Steps 10T-150T Bore 4-25mm
      SPONSORED

      1 Mod Spur Gear Pinion C45 Steel Gear Motor Gear with Steps 10T-150T Bore 4-25mm

      $2.69 to $135.79
      $6.75 shipping
    • Flexible Zahnstangen Modul 1 Länge wählbar - Kunststoff Plastik Zahnstange

      Flexible Racks Module 1 Length Selectable - Plastic Plastic Rack

      $5.36 to $214.58
      $10.83 shipping
    • Boston Gear - P/N: HLK131Y - 25 Teeth - UNUSED

      Boston Gear - P/N: HLK131Y - 25 Teeth - UNUSED

      $54.99
      $11.45 shipping
    • 0.3 0.4 0.5 Mod Plastic Spur Gear Pinion7T 8T 9T 10T 11T 12T 13T 14T 15T 16T 18T

      0.3 0.4 0.5 Mod Plastic Spur Gear Pinion7T 8T 9T 10T 11T 12T 13T 14T 15T 16T 18T

      $0.99 to $19.99
      $5.49 shipping
    • 1 SET NWSL WORM GEAR SET 29 TEETH 29:1 RATIO 64 PITCH RIGHT HAND PRESS FIT BORES

      1 SET NWSL WORM GEAR SET 29 TEETH 29:1 RATIO 64 PITCH RIGHT HAND PRESS FIT BORES

      $25.00
      $4.50 shipping
      or Best Offer
      Only 1 left!
    • Mod 1/1.5/2 Bevel Gear 15T-30T Bore 5 6 6.35 8 10 12 - 16 mm 90° 1:1 1:2 Pairing

      Mod 1/1.5/2 Bevel Gear 15T-30T Bore 5 6 6.35 8 10 12 - 16 mm 90° 1:1 1:2 Pairing

      $3.40 to $97.90
      $4.99 shipping
    • TRADESHIP BRASS BEVEL GEAR SET 40/10 TEETH 4:1 RATIO SLOT CAR HOBBY EXPERIMENT

      TRADESHIP BRASS BEVEL GEAR SET 40/10 TEETH 4:1 RATIO SLOT CAR HOBBY EXPERIMENT

      $4.50
      $4.50 shipping
    • Martin Sprocket Gear Spur 14 1/2 Deg S528
      SPONSORED

      Martin Sprocket Gear Spur 14 1/2 Deg S528

      $160.94
      Was: $402.34
      Free shipping
      or Best Offer
    • Martin Worm Gear W640
      SPONSORED

      Martin Worm Gear W640

      $185.37
      Was: $308.95
      Free shipping
      or Best Offer
    • 2.5Mod 10-120T 45# Steel Spur Gear Thickness 25mm Motor Pinion Transmission Gear

      2.5Mod 10-120T 45# Steel Spur Gear Thickness 25mm Motor Pinion Transmission Gear

      $4.59 to $405.75
      $3.99 shipping
    • QTY 1 TRADESHIP BRASS SPUR PINION GEAR 12 TEETH 3/32" BORE SLOT CAR M0.5 PITCH

      QTY 1 TRADESHIP BRASS SPUR PINION GEAR 12 TEETH 3/32" BORE SLOT CAR M0.5 PITCH

      $0.99
      $4.50 shipping
    • 1 TRADESHIP SUPER LIGHT BRASS SPUR GEAR 40 TEETH SLOT CAR HOBBY ETC. 1/8" BORE

      1 TRADESHIP SUPER LIGHT BRASS SPUR GEAR 40 TEETH SLOT CAR HOBBY ETC. 1/8" BORE

      $2.50
      $4.50 shipping
    • Martin Gear Sprocket D60B30 60-2 30 Tooth Double 3/4" Pitch 1-7/8" Bore 1/2" Key

      Martin Gear Sprocket D60B30 60-2 30 Tooth Double 3/4" Pitch 1-7/8" Bore 1/2" Key

      $78.98
      Free shipping
      or Best Offer
    • BOSTON GEAR STEEL ND-16B SPUR GEAR 12 PITCH 5/8" BORE FOR LATHE MACHINE ETC.

      BOSTON GEAR STEEL ND-16B SPUR GEAR 12 PITCH 5/8" BORE FOR LATHE MACHINE ETC.

      $28.00
      $4.25 shipping
      88 sold
    • Mercedes Benz Odometer VDO Speedometer 107 124 126 460 461 G Repair Gears

      Mercedes Benz Odometer VDO Speedometer 107 124 126 460 461 G Repair Gears

      $16.90 to $20.00
      $5.50 shipping
    • BOSTON GEAR BRASS Y-2427 SPUR PINION GEAR HEAVY PATINA NEEDS CLEANED 1/4" BORE

      BOSTON GEAR BRASS Y-2427 SPUR PINION GEAR HEAVY PATINA NEEDS CLEANED 1/4" BORE

      $9.00
      $4.00 shipping
      or Best Offer
      77 sold
    • MATCHED PITCH CINCH-WORM GEAR SET COMPLETE- SHAFT  BRASS WORM BRACKET 19 RATIOS

      MATCHED PITCH CINCH-WORM GEAR SET COMPLETE- SHAFT BRASS WORM BRACKET 19 RATIOS

      $2.00 to $13.50
      $4.00 shipping
      10 watching

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