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    Speed Reducers

    • 31mm Center Distance B5 80mm Male Pilot 50mm Output Flange Worm Gear Accessories Worm Gear Speed Reducer

      SK1SI31 B5 80mm, Male Pilot 50mm FLEXBLOC® Output Flange (60393820)

      Nord Gear
      $12.57 - $12.57
      $12.57
      $12.57 - $12.57
      $12.57

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

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      $12.57 - $12.57
      $12.57
      $12.57 - $12.57
      $12.57

    • SK1SI40 FLEXBLOC® Plug-In Shaft (60493100)

      Nord Gear
      $26.29 - $26.29
      $26.29
      $26.29 - $26.29
      $26.29

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

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      $26.29 - $26.29
      $26.29
      $26.29 - $26.29
      $26.29

    • SK1SI40 FLEXBLOC® Plug-In Shaft (60493200)

      Nord Gear
      $33.14 - $33.14
      $33.14
      $33.14 - $33.14
      $33.14

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

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      $33.14 - $33.14
      $33.14
      $33.14 - $33.14
      $33.14
    • 50mm Center Distance Torque Arm Worm Gear Accessories Worm Gear Speed Reducer

      SK1SI50 FLEXBLOC® Torque Arm (60593900)

      Nord Gear
      $19.43 - $19.43
      $19.43
      $19.43 - $19.43
      $19.43

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

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      $19.43 - $19.43
      $19.43
      $19.43 - $19.43
      $19.43

    • SK1SI40 FLEXBLOC® Plug-In Shaft (60493000)

      Nord Gear
      $41.14 - $41.14
      $41.14
      $41.14 - $41.14
      $41.14

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

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      $41.14 - $41.14
      $41.14
      $41.14 - $41.14
      $41.14
    • 63mm Center Distance Torque Arm Worm Gear Accessories Worm Gear Speed Reducer

      SK1SI63 FLEXBLOC® Torque Arm (60693900)

      Nord Gear
      $20.57 - $20.57
      $20.57
      $20.57 - $20.57
      $20.57

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

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      $20.57 - $20.57
      $20.57
      $20.57 - $20.57
      $20.57
    • 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
      $36.59 - $36.59
      $36.59
      $36.59 - $36.59
      $36.59

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

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      $36.59 - $36.59
      $36.59
      $36.59 - $36.59
      $36.59
    • 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
      $19.43 - $19.43
      $19.43
      $19.43 - $19.43
      $19.43

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

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      $19.43 - $19.43
      $19.43
      $19.43 - $19.43
      $19.43
    • 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
      $36.59 - $36.59
      $36.59
      $36.59 - $36.59
      $36.59

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

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      $36.59 - $36.59
      $36.59
      $36.59 - $36.59
      $36.59
    • 24mm 75mm Center Distance Solid Input Shaft Worm Gear Accessories Worm Gear Speed Reducer

      60794200 24mm FLEXBLOC® Solid Input Shaft

      Nord Gear
      $228.61 - $228.61
      $228.61
      $228.61 - $228.61
      $228.61

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

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      $228.61 - $228.61
      $228.61
      $228.61 - $228.61
      $228.61
    • 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
      $19.43 - $19.43
      $19.43
      $19.43 - $19.43
      $19.43

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

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      $19.43 - $19.43
      $19.43
      $19.43 - $19.43
      $19.43

    • 60494200 16mm FLEXBLOC® Solid Input Shaft

      Nord Gear
      $130.31 - $130.31
      $130.31
      $130.31 - $130.31
      $130.31

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

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      $130.31 - $130.31
      $130.31
      $130.31 - $130.31
      $130.31

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

      Nord Gear
      $58.30 - $58.30
      $58.30
      $58.30 - $58.30
      $58.30

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

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      $58.30 - $58.30
      $58.30
      $58.30 - $58.30
      $58.30

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

      Nord Gear
      $58.30 - $58.30
      $58.30
      $58.30 - $58.30
      $58.30

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

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      $58.30 - $58.30
      $58.30
      $58.30 - $58.30
      $58.30

    • SK1SI31 FLEXBLOC® Torque Arm (60393900)

      Nord Gear
      $19.43 - $19.43
      $19.43
      $19.43 - $19.43
      $19.43

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

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      $19.43 - $19.43
      $19.43
      $19.43 - $19.43
      $19.43

    • SK1SI31 FLEXBLOC® Shaft Cover (60393950)

      Nord Gear
      $12.57 - $12.57
      $12.57
      $12.57 - $12.57
      $12.57

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

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      $12.57 - $12.57
      $12.57
      $12.57 - $12.57
      $12.57

    • SK1SI40 FLEXBLOC® Mounting Footplate (60494600)

      Nord Gear
      $49.16 - $49.16
      $49.16
      $49.16 - $49.16
      $49.16

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

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      $49.16 - $49.16
      $49.16
      $49.16 - $49.16
      $49.16
    • 75mm Center Distance Double Worm Gear Adapter Worm Gear Accessories Worm Gear Speed Reducer

      60794000 FLEXBLOC® Double Worm Gear Adapter

      Nord Gear
      $86.87 - $86.87
      $86.87
      $86.87 - $86.87
      $86.87

      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: •...

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      $86.87 - $86.87
      $86.87
      $86.87 - $86.87
      $86.87

    • 60790810 FLEXBLOC® Helical Input Stage H10 Ratio Multiplier

      Nord Gear
      $352.06 - $352.06
      $352.06
      $352.06 - $352.06
      $352.06

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

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      $352.06 - $352.06
      $352.06
      $352.06 - $352.06
      $352.06
    • 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
      $228.61 - $228.61
      $228.61
      $228.61 - $228.61
      $228.61

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

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      $228.61 - $228.61
      $228.61
      $228.61 - $228.61
      $228.61

    • 60494100 FLEXBLOC® Double Worm Gear Adapter

      Nord Gear
      $56.01 - $56.01
      $56.01
      $56.01 - $56.01
      $56.01

      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...

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      $56.01 - $56.01
      $56.01
      $56.01 - $56.01
      $56.01
    • 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
      $130.31 - $130.31
      $130.31
      $130.31 - $130.31
      $130.31

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

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      $130.31 - $130.31
      $130.31
      $130.31 - $130.31
      $130.31
    • 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
      $2,860.92 - $2,860.92
      $2,860.92
      $2,860.92 - $2,860.92
      $2,860.92

      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 ...

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      $2,860.92 - $2,860.92
      $2,860.92
      $2,860.92 - $2,860.92
      $2,860.92
    • 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
      $1,627.67 - $1,627.67
      $1,627.67
      $1,627.67 - $1,627.67
      $1,627.67

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

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      $1,627.67 - $1,627.67
      $1,627.67
      $1,627.67 - $1,627.67
      $1,627.67