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  • Notice of End of Sales for Economy Series Pneumatic Equipment Category. More information.

Support Units

Support units are special parts for bearings used in a set together with a ball screw. Support units come in various shapes, such as square, round and round 2-surface chamfered. There are also 2 different types—models used at the fixed side and models used at the support side. Support units attach to the fixed side and support side of a screw shaft, enabling the screw shaft to be mounted in the correct position. A bearing integrated into the body of the support unit enables stable shaft rotation. Support units are available with various types of bearings, sizes, shapes and surface treatments. Models for various applications, operating environments and mounting spaces can be selected. Support units can be mounted in equipment as-is, with no need for additional processes or machining.

Type

Brand
Product Series
CAD
Days to Ship
Type
Shape
Shaft Dia. d(Ø)
Mounting Method
Bearing Type
Shaft Height H(mm)
Bearing Grade
Surface Treatment
Thickness B(mm)
Width W(mm)
Support Material
Outer Dia. D(Ø)
  • Recommendation

Support Units for Ball Screw, Fixed Side Square Type

  • Recommendation

Motor Brackets For Servo Motors

    Light-Load Support Unit for Small Devices, Fixing-Side Support Unit (Circular Type)

    • On Sale Till 31/03/2025

    Support Unit Fixed Side Circular Type FK Type

      Retaining Side Support UnitSquare TypeBF Type

        Round Support Unit Fixed Side Standard Type Angular Bearing JIS Class 5

          Support Units for Ball Screw, Fixed Side Round Type

            Fixed Side Support UnitSquare TypeBK Type

              Small Load Support Unit for Small Devices Fixing Side Support Unit (Squarish)

                Machine Tool, Support Unit for High Speeds and Heavy Loads, Fixed-Side Support Unit (Circular Type)

                  Square Support Unit Fixed Side Standard Type Angular Bearing JIS Class 5

                    Lock Nut for Light Loads

                      Support Units-Support Side/Square (Standard)

                        Motor Brackets For Stepper Motors

                          Support Units for Ball Screw, Fixed Side Narrow Pitch Square Type

                            Support Units for Ball Screw, Support Side Square Type

                              Support Units - Square Type, Fixed Side, Square EF Type -

                              • On Sale Till 31/03/2025

                              Support Units-Support Side/Round (Standard)

                                Spacer

                                  Support Units-Fixed Side/Round/Economy

                                    Block Type Supporting Side, EF Type, Support Type

                                      FK Type Support Unit (ROUND TYPE FOR FIXTURE)

                                        Support Units for Ball Screw, Support Side Round Type

                                          Fixed Side Square Type Support Unit EK Type

                                            Support Units - Square Type - Fixed Side, Square BK Type -

                                              Support Units - Square Type - Fixed Side, Square EK Type -

                                                Support Units for Ball Screw, Support Side Narrow Pitch Square Type

                                                  Support Unit / Square Type, Fixed Side Square Type

                                                    Support Side Support Unit (Square) (for Small Size Equipment and Light Loads)

                                                      Support Units-Fixed Side/Square/Compact

                                                      • On Sale Till 31/03/2025

                                                      Support Units-Fixed Side/Square/Low Profile Type

                                                        Support Units - Fixed Side, Square <Cost Reduction> - Fixed Side Radial Bearing Type (Economical, for Low Speed Applications)

                                                        • On Sale Till 31/03/2025

                                                        Support Units-Fixed Side/Square

                                                        • On Sale Till 31/03/2025

                                                        Support Units-Fixed Side/Round

                                                          Support Units-Support Side/Square/Retaining Ring

                                                            BF Type Support Unit (SQUARE TYPE FOR SUPPORT)

                                                            • On Sale Till 31/03/2025

                                                            Support Units - Fixed Side, Round <Cost Reduction> - Fixed Side Radial Bearing Type (Economical, for Low Speed Applications)

                                                            • On Sale Till 31/03/2025

                                                            Support Units-Fixed Side/Square/Economy

                                                              Support Units/Square/Support Side/Low Profile

                                                                Support Units-Support Side/Square/Compact

                                                                • On Sale Till 31/03/2025

                                                                Support Units-Fixed Side/Square/Mounting Hole Narrow Pitch (C-Value)

                                                                  Support Unit, Support Side, Circular Type, FF Type

                                                                    Lock Nut RN Type

                                                                      Support Units - Convex Standard - Fixed Side Convex Type - [ECJK]

                                                                        Support Unit / Round Type, Fixed Side Round FSGK Type-

                                                                        Brand

                                                                        MISUMI

                                                                        MiSUMi Economy75

                                                                        MISUMI

                                                                        MiSUMi Economy

                                                                        NSK

                                                                        THK

                                                                        THK

                                                                        MISUMI

                                                                        MISUMI

                                                                        MiSUMi Economy74

                                                                        THK

                                                                        NSK

                                                                        NSK

                                                                        MISUMI

                                                                        NSK

                                                                        MISUMI

                                                                        MISUMI

                                                                        MiSUMi Economy

                                                                        MISUMI

                                                                        MiSUMi Economy75

                                                                        MISUMI

                                                                        MiSUMi Economy80

                                                                        SUNGIL

                                                                        MISUMI

                                                                        NSK

                                                                        MISUMI

                                                                        THK

                                                                        SUNGIL

                                                                        MISUMI

                                                                        MiSUMi Economy76

                                                                        THK

                                                                        SUNGIL

                                                                        SUNGIL

                                                                        MISUMI

                                                                        MiSUMi Economy80

                                                                        CHENGJUN

                                                                        NSK

                                                                        MISUMI

                                                                        MISUMI

                                                                        MISUMI

                                                                        MISUMI

                                                                        MISUMI

                                                                        MISUMI

                                                                        SUNGIL

                                                                        MISUMI

                                                                        MISUMI

                                                                        MISUMI

                                                                        MISUMI

                                                                        MISUMI

                                                                        THK

                                                                        THK

                                                                        CHENGJUN

                                                                        SUNGIL

                                                                        Product Series

                                                                        Support Units for Ball Screw, Fixed Side Square Type

                                                                        Motor Brackets For Servo Motors

                                                                        Light-Load Support Unit for Small Devices, Fixing-Side Support Unit (Circular Type)

                                                                        Support Unit Fixed Side Circular Type FK Type

                                                                        Retaining Side Support UnitSquare TypeBF Type

                                                                        Round Support Unit Fixed Side Standard Type Angular Bearing JIS Class 5

                                                                        Support Units for Ball Screw, Fixed Side Round Type

                                                                        Fixed Side Support UnitSquare TypeBK Type

                                                                        Small Load Support Unit for Small Devices Fixing Side Support Unit (Squarish)

                                                                        Machine Tool, Support Unit for High Speeds and Heavy Loads, Fixed-Side Support Unit (Circular Type)

                                                                        Square Support Unit Fixed Side Standard Type Angular Bearing JIS Class 5

                                                                        Lock Nut for Light Loads

                                                                        Support Units-Support Side/Square (Standard)

                                                                        Motor Brackets For Stepper Motors

                                                                        Support Units for Ball Screw, Fixed Side Narrow Pitch Square Type

                                                                        Support Units for Ball Screw, Support Side Square Type

                                                                        Support Units - Square Type, Fixed Side, Square EF Type -

                                                                        Support Units-Support Side/Round (Standard)

                                                                        Spacer

                                                                        Support Units-Fixed Side/Round/Economy

                                                                        Block Type Supporting Side, EF Type, Support Type

                                                                        FK Type Support Unit (ROUND TYPE FOR FIXTURE)

                                                                        Support Units for Ball Screw, Support Side Round Type

                                                                        Fixed Side Square Type Support Unit EK Type

                                                                        Support Units - Square Type - Fixed Side, Square BK Type -

                                                                        Support Units - Square Type - Fixed Side, Square EK Type -

                                                                        Support Units for Ball Screw, Support Side Narrow Pitch Square Type

                                                                        Support Unit / Square Type, Fixed Side Square Type

                                                                        Support Side Support Unit (Square) (for Small Size Equipment and Light Loads)

                                                                        Support Units-Fixed Side/Square/Compact

                                                                        Support Units-Fixed Side/Square/Low Profile Type

                                                                        Support Units - Fixed Side, Square - Fixed Side Radial Bearing Type (Economical, for Low Speed Applications)

                                                                        Support Units-Fixed Side/Square

                                                                        Support Units-Fixed Side/Round

                                                                        Support Units-Support Side/Square/Retaining Ring

                                                                        BF Type Support Unit (SQUARE TYPE FOR SUPPORT)

                                                                        Support Units - Fixed Side, Round - Fixed Side Radial Bearing Type (Economical, for Low Speed Applications)

                                                                        Support Units-Fixed Side/Square/Economy

                                                                        Support Units/Square/Support Side/Low Profile

                                                                        Support Units-Support Side/Square/Compact

                                                                        Support Units-Fixed Side/Square/Mounting Hole Narrow Pitch (C-Value)

                                                                        Support Unit, Support Side, Circular Type, FF Type

                                                                        Lock Nut RN Type

                                                                        Support Units - Convex Standard - Fixed Side Convex Type - [ECJK]

                                                                        Support Unit / Round Type, Fixed Side Round FSGK Type-

                                                                        CAD
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                                                                        Days to Ship Same day or more Same day or more Same day or more Same day or more 4 Day(s) or more Same day or more Same day or more 4 Day(s) or more 4 Day(s) or more 4 Day(s) or more Same day or more 4 Day(s) or more Same day or more Same day or more Same day or more Same day or more 4 Day(s) or more Same day or more 14 Day(s) or more Same day or more 4 Day(s) or more 4 Day(s) or more Same day or more 4 Day(s) or more 4 Day(s) or more 4 Day(s) or more Same day 7 Day(s) 4 Day(s) or more 4 Day(s) or more Same day or more Same day or more Same day or more Same day or more Same day or more 4 Day(s) or more Same day or more Same day or more Same day or more 4 Day(s) or more Same day or more 4 Day(s) or more 4 Day(s) or more 7 Day(s) 4 Day(s) or more
                                                                        TypeFixed SideRelated ComponentsFixed SideFixed SideSupport SideFixed SideFixed SideFixed SideFixed SideFixed SideFixed SideRelated ComponentsSupport SideRelated ComponentsFixed SideSupport SideSupport SideSupport SideRelated ComponentsFixed SideSupport SideFixed SideSupport SideFixed SideFixed SideFixed SideSupport SideFixed SideSupport SideFixed SideFixed SideFixed SideFixed SideFixed SideSupport SideSupport SideFixed SideFixed SideSupport SideSupport SideFixed SideSupport SideRelated ComponentsFixed SideFixed Side
                                                                        ShapeSquare-Round / Round, 2 Set Screw Flats at both endsRoundSquareRoundRoundSquareSquareRound, 2 Set Screw Flats at both endsSquareRoundSquare-SquareSquareSquareRound-RoundSquareRound / Round, 2 Set Screw Flats at both endsRoundSquareSquareSquareSquareSquareSquareSquareSquareSquareSquareRoundSquareSquareRoundSquareSquareSquareSquareRound-SquareRound / Round, 2 Set Screw Flats at both ends
                                                                        Shaft Dia. d(Ø)6 ~ 2010 ~ 154 ~ 255 ~ 308 ~ 406 ~ 256 ~ 2510 ~ 404 ~ 2517 ~ 406 ~ 25M6 ~ M256 ~ 2510 ~ 1510 ~ 256 ~ 206 ~ 256 ~ 252010 ~ 256 ~ 204 ~ 406 ~ 254 ~ 206 ~ 404 ~ 258 ~ 2510 ~ 206 ~ 258 ~ 156 ~ 206 ~ 206 ~ 256 ~ 256 ~ 256 ~ 356 ~ 2010 ~ 256 ~ 206 ~ 1510 ~ 256 ~ 30-8 ~ 204 ~ 40
                                                                        Mounting Method--Side MountSide MountFace MountingSide Mount-Face MountingFace MountingSide MountFace MountingSide MountFace Mounting---Face MountingSide Mount-Side MountFace MountingSide Mount-Face MountingFace MountingFace Mounting-Face MountingFace MountingBottom MountFace MountingFace MountingFace MountingSide MountFace MountingFace MountingSide MountFace MountingFace MountingBottom MountFace MountingSide Mount-Face MountingSide Mount
                                                                        Bearing Type--Angular Contact BearingAngular Contact BearingRadial Bearing, SingleAngular Contact Bearing-Angular Contact BearingAngular Contact BearingAngular Contact BearingAngular Contact Bearing-Radial Bearing, Single---Radial Bearing, SingleRadial Bearing, Single-Angular Contact BearingRadial Bearing, SingleAngular Contact Bearing / Radial Bearing, Double-Angular Contact BearingRadial Bearing, Single / Radial Bearing, DoubleRadial Bearing, Single / Radial Bearing, Double-Radial Bearing, SingleAngular Contact BearingAngular Contact BearingAngular Contact BearingRadial Bearing, SingleAngular Contact BearingAngular Contact BearingRadial Bearing, SingleRadial Bearing, SingleRadial Bearing, SingleAngular Contact Bearing--Angular Contact BearingRadial Bearing, Single-Radial Bearing, SingleAngular Contact Bearing / Radial Bearing, Double
                                                                        Shaft Height H(mm)13 ~ 30---22 ~ 60--22 ~ 6010 ~ 39-13 ~ 35-13 ~ 35-22 ~ 4813 ~ 3013 ~ 35---13 ~ 30--10 ~ 3017 ~ 6010 ~ 3522 ~ 4825 ~ 3017 ~ 3517 ~ 3011 ~ 2813 ~ 3013 ~ 35-13 ~ 3517 ~ 52-22 ~ 3511 ~ 2817 ~ 3022 ~ 48--17 ~ 30-
                                                                        Bearing Grade--Grade 4Grade 5-Grade 5-Grade 5Grade 4Grade 4Grade 5--------Grade 0-P0-C7 ~ C8-Grade 5P0-C7 ~ C8P0-C7 ~ C8-Grade 0Grade 4Grade 0Grade 5-Grade 5Grade 5---Grade 0--Grade 5--Grade 0P0-C7 ~ C8
                                                                        Surface TreatmentBlack Oxide-Black Oxide / Low Temperature Black Chrome PlatingNot ProvidedNot ProvidedBlack Oxide / Electroless Nickel Plating / Low Temperature Black Chrome PlatingBlack OxideNot ProvidedBlack Oxide / Low Temperature Black Chrome PlatingBlack OxideBlack Oxide / Electroless Nickel Plating / Low Temperature Black Chrome PlatingBlack OxideBlack Oxide / Electroless Nickel Plating / Low Temperature Black Chrome Plating-Black OxideBlack OxideBlack OxideBlack Oxide / Electroless Nickel Plating / Low Temperature Black Chrome PlatingBlack OxideBlack Oxide / Electroless Nickel Plating / Low Temperature Black Chrome PlatingNot ProvidedBlack OxideBlack OxideNot ProvidedBlack OxideBlack OxideBlack OxideBlack OxideBlack Oxide / Low Temperature Black Chrome PlatingBlack Oxide / Electroless Nickel PlatingBlack Oxide / Electroless Nickel PlatingBlack Oxide / Electroless Nickel PlatingBlack OxideBlack OxideBlack Oxide / Electroless Nickel PlatingBlack OxideBlack Oxide / Electroless Nickel PlatingBlack Oxide / Electroless Nickel Plating / Low Temperature Black Chrome PlatingBlack Oxide / Electroless Nickel PlatingBlack Oxide / Electroless Nickel PlatingBlack OxideNot Provided-Black OxideBlack Oxide
                                                                        Thickness B(mm)--13.5 ~ 5710.5 ~ 3220 ~ 3713 ~ 30-25 ~ 6114 ~ 6160 ~ 9620 ~ 485 ~ 1612 ~ 30---12 ~ 304 ~ 101116 ~ 3012 ~ 269 ~ 43-15 ~ 4223 ~ 6115 ~ 48-24 ~ 4215 ~ 3023 ~ 2920 ~ 4220 ~ 4820 ~ 4813 ~ 3012 ~ 3014 ~ 3213 ~ 3027 ~ 5812 ~ 2615 ~ 2025 ~ 424 ~ 10-23 ~ 429 ~ 43
                                                                        Width W(mm)--14 ~ 7926 ~ 9360 ~ 16028 ~ 79-60 ~ 16027 ~ 10580 ~ 10642 ~ 10512 ~ 3642 ~ 105---42 ~ 10528 ~ 79-42 ~ 7942 ~ 9525 ~ 128-34 ~ 9552 ~ 16034 ~ 105-70 ~ 9552 ~ 10532 ~ 4642 ~ 9542 ~ 9542 ~ 10528 ~ 7942 ~ 10552 ~ 14028 ~ 6870 ~ 10542 ~ 9532 ~ 4660 ~ 10628 ~ 93-52 ~ 9525 ~ 128
                                                                        Support MaterialSteel-SteelSteelSteelSteelSteelSteelSteelSteelSteelSteelSteel-SteelSteelSteelSteelSteelSteelSteelSteelSteelSteelSteelSteelSteelSteelSteelSteelSteelSteelSteelSteelSteelSteelSteelSteelSteelSteelSteelSteel-SteelSteel
                                                                        Outer Dia. D(Ø)--26 ~ 9834 ~ 117-35 ~ 98---106 ~ 142-14.5 ~ 42-----36 ~ 9825.552 ~ 98-32 ~ 176-----------35 ~ 98--35 ~ 85-------32 ~ 176

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                                                                        Related Categories to Support Units