• Send Us a Message
    • Skip to content

    Speed Reducers

    • SK1SI40 FLEXBLOC® Plug-In Shaft (60493000)

      Nord Gear
      $62.00 - $62.00
      $62.00
      $62.00 - $62.00
      $62.00

      SOLID OUTPUT SHAFT Kit contains:  • Shaft • Keys • External snap ring   Options: • Double solid shaft   Specifications: Metric Sizes Size 31- 14mm...

      View full details
      $62.00 - $62.00
      $62.00
      $62.00 - $62.00
      $62.00
    • 63mm Center Distance Torque Arm Worm Gear Accessories Worm Gear Speed Reducer

      SK1SI63 FLEXBLOC® Torque Arm (60693900)

      Nord Gear
      $31.00 - $31.00
      $31.00
      $31.00 - $31.00
      $31.00

      TORQUE REACTION ARM For shaft mounting Rubber shock absorber installed in attachment end. Kit contains: • Torque arm • Bolts   CLICK HERE for produ...

      View full details
      $31.00 - $31.00
      $31.00
      $31.00 - $31.00
      $31.00
    • 63mm Center Distance B5 200mm Male Pilot 130mm Output Flange Worm Gear Accessories Worm Gear Speed Reducer

      SK1SI63 B5 200mm, Male Pilot 130mm FLEXBLOC® Output Flange (60693800)

      Nord Gear
      $55.00 - $55.00
      $55.00
      $55.00 - $55.00
      $55.00

      B5 OUTPUT FLANGE Multiple flanges available for each size gearbox. Flange pilots are centered in seal bore. Kit contains: • Die cast flange • Bolts...

      View full details
      $55.00 - $55.00
      $55.00
      $55.00 - $55.00
      $55.00
    • 125mm Male Pilot 80mm 50mm Center Distance Output Flange Worm Gear Accessories Worm Gear Speed Reducer

      SK1SI50 125mm, Male Pilot 80mm FLEXBLOC® Output Flange (60593820)

      Nord Gear
      $30.00 - $30.00
      $30.00
      $30.00 - $30.00
      $30.00

      B5 OUTPUT FLANGE Multiple flanges available for each size gearbox. Flange pilots are centered in seal bore. Kit contains: • Die cast flange • Bolts...

      View full details
      $30.00 - $30.00
      $30.00
      $30.00 - $30.00
      $30.00
    • 160mm Male Pilot 110mm 63mm Center Distance Output Flange Worm Gear Accessories Worm Gear Speed Reducer

      SK1SI63 160mm, Male Pilot 110mm FLEXBLOC® Output Flange (60693820)

      Nord Gear
      $55.00 - $55.00
      $55.00
      $55.00 - $55.00
      $55.00

      B5 OUTPUT FLANGE Multiple flanges available for each size gearbox. Flange pilots are centered in seal bore. Kit contains: • Die cast flange • Bolts...

      View full details
      $55.00 - $55.00
      $55.00
      $55.00 - $55.00
      $55.00
    • 24mm 75mm Center Distance Solid Input Shaft Worm Gear Accessories Worm Gear Speed Reducer

      60794200 24mm FLEXBLOC® Solid Input Shaft

      Nord Gear
      $342.00 - $342.00
      $342.00
      $342.00 - $342.00
      $342.00

      SOLID INPUT SHAFT Fits gearbox sizes SK1SI75. Lifetime lubricant Sealed unit Kit contains: • Pre-assembled unit • Bolts   Dimensions: Metric Size ...

      View full details
      $342.00 - $342.00
      $342.00
      $342.00 - $342.00
      $342.00
    • 50mm Center Distance B5 160mm Female Pilot 110mm Output Flange Worm Gear Accessories Worm Gear Speed Reducer

      SK1SI50 B5 160mm, Female Pilot 110mm FLEXBLOC® Output Flange (60593830)

      Nord Gear
      $30.00 - $30.00
      $30.00
      $30.00 - $30.00
      $30.00

      B5 OUTPUT FLANGE Multiple flanges available for each size gearbox. Flange pilots are centered in seal bore. Kit contains: • Die cast flange • Bolts...

      View full details
      $30.00 - $30.00
      $30.00
      $30.00 - $30.00
      $30.00

    • 60494200 16mm FLEXBLOC® Solid Input Shaft

      Nord Gear
      $195.00 - $195.00
      $195.00
      $195.00 - $195.00
      $195.00

      SOLID INPUT SHAFT Fits gearbox sizes SK1SI40/50/63. Lifetime lubricant Sealed unit Kit contains: • Pre-assembled unit • Bolts   Dimensions: Metric...

      View full details
      $195.00 - $195.00
      $195.00
      $195.00 - $195.00
      $195.00

    • SK1SI63 1.1875" FLEXBLOC® Hollow Shaft Reducer Bushing (60693410)

      Nord Gear
      $88.00 - $88.00
      $88.00
      $88.00 - $88.00
      $88.00

      SHAFT BUSHING Hollow shaft bushing for increased bore flexibility. Kit contains: • Bushings with set screw • Key   CLICK HERE for product catalog w...

      View full details
      $88.00 - $88.00
      $88.00
      $88.00 - $88.00
      $88.00

    • SK1SI75 1.1875" FLEXBLOC® Hollow Shaft Reducer Bushing (60793430)

      Nord Gear
      $88.00 - $88.00
      $88.00
      $88.00 - $88.00
      $88.00

      SHAFT BUSHING Hollow shaft bushing for increased bore flexibility. Kit contains: • Bushings with set screw • Key   CLICK HERE for product catalog w...

      View full details
      $88.00 - $88.00
      $88.00
      $88.00 - $88.00
      $88.00

    • SK1SI31 FLEXBLOC® Torque Arm (60393900)

      Nord Gear
      $30.00 - $30.00
      $30.00
      $30.00 - $30.00
      $30.00

      TORQUE REACTION ARM For shaft mounting Rubber shock absorber installed in attachment end. Kit contains: • Torque arm • Bolts   CLICK HERE for produ...

      View full details
      $30.00 - $30.00
      $30.00
      $30.00 - $30.00
      $30.00

    • SK1SI31 FLEXBLOC® Shaft Cover (60393950)

      Nord Gear
      $19.00 - $19.00
      $19.00
      $19.00 - $19.00
      $19.00

      SHAFT PROTECTION COVER Seals shaft end Safety protection from rotating shafts. Kit contains: • Cover • Bolts   CLICK HERE for product catalog with ...

      View full details
      $19.00 - $19.00
      $19.00
      $19.00 - $19.00
      $19.00

    • SK1SI40 FLEXBLOC® Mounting Footplate (60494600)

      Nord Gear
      $74.00 - $74.00
      $74.00
      $74.00 - $74.00
      $74.00

      FOOT PLATE Mounts to the bottom of the FLEXBLOC™ to provide drop-in compatibility with many worm gear reducers. Kit contains: • Foot plate • Bolts...

      View full details
      $74.00 - $74.00
      $74.00
      $74.00 - $74.00
      $74.00
    • 75mm Center Distance Double Worm Gear Adapter Worm Gear Accessories Worm Gear Speed Reducer

      60794000 FLEXBLOC® Double Worm Gear Adapter

      Nord Gear
      $130.00 - $130.00
      $130.00
      $130.00 - $130.00
      $130.00

      DOUBLE WORM ADAPTER Mounts the SK1SI/SMI40 to the input of the larger SK1SI/SMI75 to produce a high reduction double worm gear unit Kit contains: •...

      View full details
      $130.00 - $130.00
      $130.00
      $130.00 - $130.00
      $130.00

    • 60790810 FLEXBLOC® Helical Input Stage H10 Ratio Multiplier

      Nord Gear
      $526.00 - $526.00
      $526.00
      $526.00 - $526.00
      $526.00

      2ND REDUCTION Helical 10:1 gear set Fits all size gearboxes Lifetime synthetic lubricant Sealed unit Kit contains: • Pre-assembled unit • Bolts   C...

      View full details
      $526.00 - $526.00
      $526.00
      $526.00 - $526.00
      $526.00
    • 7/8 inch 75mm Center Distance Solid Input Shaft Worm Gear Accessories Worm Gear Speed Reducer

      60794210 7/8" FLEXBLOC® Solid Input Shaft

      Nord Gear
      $342.00 - $342.00
      $342.00
      $342.00 - $342.00
      $342.00

      SOLID INPUT SHAFT Fits gearbox sizes SK1SI75. Lifetime lubricant Sealed unit Kit contains: • Pre-assembled unit • Bolts   Dimensions: Metric Size ...

      View full details
      $342.00 - $342.00
      $342.00
      $342.00 - $342.00
      $342.00

    • 60494100 FLEXBLOC® Double Worm Gear Adapter

      Nord Gear
      $84.00 - $84.00
      $84.00
      $84.00 - $84.00
      $84.00

      DOUBLE WORM ADAPTER Mounts the SK1SI/SMI31 to the input of the larger SK1SI/SMI40/50/63 to produce a high reduction double worm gear unit Kit conta...

      View full details
      $84.00 - $84.00
      $84.00
      $84.00 - $84.00
      $84.00

    • SK1SI75 1.4375" FLEXBLOC® Hollow Shaft Reducer Bushing (60793420)

      Nord Gear
      $88.00 - $88.00
      $88.00
      $88.00 - $88.00
      $88.00

      SHAFT BUSHING Hollow shaft bushing for increased bore flexibility. Kit contains: • Bushings with set screw • Key   CLICK HERE for product catalog w...

      View full details
      $88.00 - $88.00
      $88.00
      $88.00 - $88.00
      $88.00
    • 40mm Center Distance 5/8 inch 50mm Center Distance 63mm Center Distance Solid Input Shaft Worm Gear Accessories Worm Gear Speed Reducer

      60494210 5/8" FLEXBLOC® Solid Input Shaft

      Nord Gear
      $195.00 - $195.00
      $195.00
      $195.00 - $195.00
      $195.00

      SOLID INPUT SHAFT Fits gearbox sizes SK1SI40/50/63. Lifetime lubricant Sealed unit Kit contains: • Pre-assembled unit • Bolts   Dimensions: Metric...

      View full details
      $195.00 - $195.00
      $195.00
      $195.00 - $195.00
      $195.00
    • 1-7/8 inch Bore 15:1 gear ratio 3.75 inch Center Distance Hollow Shaft Single Reduction Solid Input Shaft Worm Gear Speed Reducer

      H738-15-H-P30 Right Angle Hollow Shaft Worm Gear Speed Reducer

      Boston Gear
      $4,272.00 - $4,272.00
      $4,272.00
      $4,272.00 - $4,272.00
      $4,272.00

      Our standard 700 Series - the heart of Boston Gear's speed reducer product line - has been serving many industries reliably for over 40 years. Its ...

      View full details
      $4,272.00 - $4,272.00
      $4,272.00
      $4,272.00 - $4,272.00
      $4,272.00
    • 1 inch Bore 1.33 inch Center Distance 56C 80:1 gear ratio Hollow Shaft Quill Style Motor Flange Single Reduction Washdown Worm Gear Speed Reducer

      SSHF713-80K-B5-HS1-P16 Stainless Steel Hollow Shaft Right Angle Worm Gear Speed Reducer

      Boston Gear
      $2,431.00 - $2,431.00
      $2,431.00
      $2,431.00 - $2,431.00
      $2,431.00

      The Boston Gear 700 Series Stainless Steel Speed Reducer and the NEW Stainless Steel Motor are both designed to provide maximum corrosion resistanc...

      View full details
      $2,431.00 - $2,431.00
      $2,431.00
      $2,431.00 - $2,431.00
      $2,431.00
    • 1.33 inch Center Distance 15/16 inch Bore 56C 5:1 gear ratio Hollow Shaft Quill Style Motor Flange Single Reduction Washdown Worm Gear Speed Reducer

      SSHF713-5K-B5-HS1-P15 Stainless Steel Hollow Shaft Right Angle Worm Gear Speed Reducer

      Boston Gear
      $2,431.00 - $2,431.00
      $2,431.00
      $2,431.00 - $2,431.00
      $2,431.00

      The Boston Gear 700 Series Stainless Steel Speed Reducer and the NEW Stainless Steel Motor are both designed to provide maximum corrosion resistanc...

      View full details
      $2,431.00 - $2,431.00
      $2,431.00
      $2,431.00 - $2,431.00
      $2,431.00
    • 1.33 inch Center Distance 3/4 inch Bore 56C 60:1 gear ratio Hollow Shaft Quill Style Motor Flange Single Reduction Washdown Worm Gear Speed Reducer

      SSHF713-60K-B5-HS1-P12 Stainless Steel Hollow Shaft Right Angle Worm Gear Speed Reducer

      Boston Gear
      $2,431.00 - $2,431.00
      $2,431.00
      $2,431.00 - $2,431.00
      $2,431.00

      The Boston Gear 700 Series Stainless Steel Speed Reducer and the NEW Stainless Steel Motor are both designed to provide maximum corrosion resistanc...

      View full details
      $2,431.00 - $2,431.00
      $2,431.00
      $2,431.00 - $2,431.00
      $2,431.00
    • 1 inch Bore 1.33 inch Center Distance 56C 5:1 gear ratio Hollow Shaft Quill Style Motor Flange Single Reduction Washdown Worm Gear Speed Reducer

      SSHF713-5K-B5-HS1-P16 Stainless Steel Hollow Shaft Right Angle Worm Gear Speed Reducer

      Boston Gear
      $2,431.00 - $2,431.00
      $2,431.00
      $2,431.00 - $2,431.00
      $2,431.00

      The Boston Gear 700 Series Stainless Steel Speed Reducer and the NEW Stainless Steel Motor are both designed to provide maximum corrosion resistanc...

      View full details
      $2,431.00 - $2,431.00
      $2,431.00
      $2,431.00 - $2,431.00
      $2,431.00