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  • Thread Nominal M
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    • Bearing Lock Nuts / Shaft Nuts / Locknuts (Thread Nominal M: M40)

      At MISUMI, you will find highly configurable bearing lock nuts. Your shaft precision lock nut is available in many geometric designs that can be customized to your needs.
      Use our configurator to preselect your individual shaft lock nut. Do you need help? Here you will find useful tutorials for using our configurator.

      Our product range includes nuts, shaft nuts and bearing lock nuts in stainless steel and steel materials. The nut is burnished or phosphated and available with adjusting screw.
      The MISUMI online shop offers a variety of variants of nuts, shaft lock nuts, fine u-nut, hard lock nuts, slotted self-locking nuts and hook wrenches. In addition to the thread diameter in the range of M3 to M60, the shape can also be selected. For the shaft nut, the drive forms are selected from grooves, hexagon and square.

      The bearing lock nuts in the MISUMI online shop can be used in various applications. MISUMI offers the suitable variant from securing it on a single shaft, through easy bearings, to a pillow block.



      MISUMI offers you various helpful tools that can significantly shorten and simplify the design process.
      Here are some of the useful tools: 

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      Rapid-Design

      FRAMES

      Tech-Blog

      On-Demand manufacturing via CAD data uploadAdd-on for SOLIDWORKSSoftware for aluminum profile designInteresting articles

        • Fine U Nut SC Series (Material: S45C Conditioning Quality Equivalent)
          • DISCOUNT
          • Volume Discount

          FUJI SEIMITSU

          Fine U Nut SC Series (Material: S45C Conditioning Quality Equivalent)

          Bearing lock nut developed by Fuji Seimitsu Co., Ltd., a pioneer of lock nuts with over 40 years of solid performance and trust.
          Citiți mai mult
          TypeThread Nominal MShapeMaterialSurface TreatmentScrew Type
          Lock NutsM40Round ShapeSteelNo Surface TreatmentMetric (Fine) Thread
          Preț normal (fără TVA):
          19.84 €
          Preț normal (fără TVA):
          Preț special
          Dată de expediere normală:
          5 zile lucrătoare
          Configurare
        • Lock Nut AN
          • DISCOUNT
          • Volume Discount

          NTN

          Lock Nut AN

          A lock nut used for fixing a bearing in place.
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          TypeThread Nominal MShapeMaterialSurface TreatmentScrew Type
          Lock NutsM40Round ShapeSteelNo Surface TreatmentMetric (Fine) Thread
          Preț normal (fără TVA):
          4.45 €
          Preț normal (fără TVA):
          Preț special
          Dată de expediere normală:
          5 zile lucrătoare
          Configurare
        • Washer AW
          • DISCOUNT
          • Volume Discount

          NTN

          Washer AW

          An adapter component used to secure tapered hole bearing to an arbitrary position.
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          TypeThread Nominal MShapeMaterialSurface TreatmentScrew Type
          Tooth Lock WashersM40Round ShapeSteelSurface Treatment Provided-
          Preț normal (fără TVA):
          0.89 €
          Preț normal (fără TVA):
          Preț special
          Dată de expediere normală:
          6 zile lucrătoare
          Configurare
        • Fine U-Nut SS Series (Material: SS400 Equivalent)
          • DISCOUNT
          • Volume Discount

          FUJI SEIMITSU

          Fine U-Nut SS Series (Material: SS400 Equivalent)

          A locking nut for bearings manufactured by Fuji Seimitsu, a company that has been producing quality U-nuts for around 50 years.[Features]· You no longer need to worry about how to mount toothed lock washers or about machining keyways into shafts, things that were previously essential.· An innovative locking nut for bearings with easy torque management. Allows for positioning to be performed anywhere it is required.· Can be reused.· No special skills required for assembly.· Can be finely adjusted at any position and the torque is easy to manage.· Dedicated tools available up to M100.· No need to add keyways to shafts.· No toothed lock washers required. Can also help prevent you from forgetting to perform bending.· Improves the shaft and bearing rotational balance.· Allows the use of thinner hollow shafts than before.· Special machining processes, parts and techniques that were required previously are no longer necessary, helping you reduce costs.[Applications]· Improves rational balance of bearings that generate "Power" in all sorts of industrial machines.· Also, rotational loss of devices and power consumption has been reduced.
          Citiți mai mult
          TypeThread Nominal MShapeMaterialSurface TreatmentScrew Type
          Lock NutsM40Round ShapeSteelNo Surface TreatmentMetric (Fine) Thread
          Preț normal (fără TVA):
          8.61 €
          Preț normal (fără TVA):
          Preț special
          Dată de expediere normală:
          5 zile lucrătoare
          Configurare
        • Fine U Nut SUS Series (Material: SUS304)
          • Volume Discount

          FUJI SEIMITSU

          Fine U Nut SUS Series (Material: SUS304)

          Bearing lock nut developed by Fuji Seimitsu Co., Ltd., a pioneer of lock nuts with over 40 years of solid performance and trust.
          Citiți mai mult
          TypeThread Nominal MShapeMaterialSurface TreatmentScrew Type
          Lock NutsM40Round ShapeStainless SteelNo Surface TreatmentMetric (Fine) Thread
          Preț normal (fără TVA):
          55.40 €
          Dată de expediere normală:
          5 zile lucrătoare
          Configurare
        • Socket for Fine U Nut
          • Volume Discount

          FUJI SEIMITSU

          Socket for Fine U Nut

          Fine U-nut tightening tool featuring easy torque management while supporting flexible and appropriate positioning.
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          TypeThread Nominal MShapeMaterialSurface TreatmentScrew Type
          ToolM40Round Shape-Surface Treatment Provided-
          Preț normal (fără TVA):
          63.68 €
          Dată de expediere normală:
          6 zile lucrătoare
          Configurare
        • TWIN FU-NUT
          • DISCOUNT
          • Volume Discount

          FUJI SEIMITSU

          TWIN FU-NUT

          Simultaneous machining of the thread and the bearing surface, as well as a combination of high surface deflection accuracy and lock functions, ensures that accurate bearing rotation is maintained constantly.
          Citiți mai mult
          TypeThread Nominal MShapeMaterialSurface TreatmentScrew Type
          Lock NutsM40Round ShapeSteelSurface Treatment ProvidedMetric (Fine) Thread
          Preț normal (fără TVA):
          27.82 €
          Preț normal (fără TVA):
          Preț special
          Dată de expediere normală:
          Articol în stoc - 1 zi lucrătoare
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