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What is the right name for these

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  • What is the right name for these

    I think I need to replace this one. hahaha


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  • #2
    It looks like a retaining ring, perhaps for a shaft seal or bearing. There appears to be an internal tang for a slotted shaft, and a set of outside tangs.

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    https://www.mcmaster.com/shaft-retai...style~push-on/

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    https://www.thomsonlinear.com/en/pro...gs/seals-rings


    http://pauleschoen.com/pix/PM08_P76_P54.png
    Paul , P S Technology, Inc. and MrTibbs
    USA Maryland 21030

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    • #3
      Check out whittet-higgins specifically the MBA lockwasher. It is similar and maybe others there but I did not look at everyone they offer.

      https://www.whittet-higgins.com/series.php?class_id=5

      lg
      no neat sig line
      near Salem OR

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      • #4
        Like Paul said. Looks like a nut for an electrical box, but its not.

        How did you fry it to that extent and no, I have no idea what they call them.

        "They usually are not so fried as is yours" is the name of them. JR
        My old yahoo group. Bridgeport Mill Group

        https://groups.yahoo.com/neo/groups/...port_mill/info

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        • #5
          Looks like a special purpose washer. There appears to be an internal tab to perhaps fit in a hole or a slot for orientation. Bent tabs like this are used on the washers that are used on electrical switches to orient them and keep them from rotating in a round hole.

          And what was 15 external ones. They could be for a jam fit or they could also fit in an internal spline.

          It may help to know what it is used in and where. Photos perhaps?

          But if it is an OEM type part, you may have to make one. There are companies which will make almost any kind of stamped part like this to order. But buying a quantity of one may be expensive. Or if it can be made with two standard dies, perhaps not.

          https://www.bokers.com/

          You may think of talking about a sample or a small run (5 or 10 or so) for a prototype.

          As for the correct name, that would be whatever the draftsman decided to call it on the drawing. And NO, I am not trying to be a smart ass.
          Last edited by Paul Alciatore; 10-19-2020, 03:17 AM.
          Paul A.
          SE Texas

          Make it fit.
          You can't win and there IS a penalty for trying!

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          • #6
            It's a locking tab washer as are used on automotive spindles. The single tab on the ID is bent back to engage the keyway in the spindle. The tabs around the OD are all straight out radially when new. This lock goes on just before the nut, the nut tightened and tabs are bent up into contact with the sides of the nut all round. The washer locks the position of the nut with the spindle.

            Hope that long winded spout will help someone!

            Pete
            1973 SB 10K .
            BenchMaster mill.

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            • #7
              Cone sleeve bearings use these to lock the nut.

              https://www.skf.com/uk/products/roll...ck-nuts/keyway
              Helder Ferreira
              Setubal, Portugal

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              • #8
                i is a regular lock washer to be used with km-type shaft nuts. you bend one of tabs up.

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                • #9
                  You guys are thinking Castle nut washers. It not that JR
                  My old yahoo group. Bridgeport Mill Group

                  https://groups.yahoo.com/neo/groups/...port_mill/info

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                  • #10
                    Thank you for all the help. you all got me pointed in the right direction. These are a type of lock washer. The one I am looking for is called MB-10 lock washer.



                    The lock washer goes on the top shaft of a Le Blond No2 Cutter and Grinder. I have a vibration in the head of this No2. Being this old, of course someone has been in this before me. I have new bearings coming. The main shaft goes though the top of this with a bearing on each side. The nut has slots that the tabs bend over and lock into the nut.

                    Its kind of hard to set the bearing load if I can't lock it.

                    Click image for larger version

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                    • #11
                      It is very unlikely that one is still available off the shelf. You will have no option but to make one out of thin mild steel sheet, or a soft grade of stainless steel. That one has an inside tab to sit in a keyway, and you choose whichever outside one is in line with the nut when it is correctly tensioned.
                      Last edited by old mart; 10-19-2020, 10:26 AM.

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                      • #12
                        Most bearing houses will have them. Normally known as bearing nut lock washers. There are specs on them in the Machinery's Handbook. Most machine tools use them, even stuff like adjustments on spindle bearings.
                        Sarge41

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                        • #13
                          My mill has one between 2 nuts on the spindle to set and hold the preload of the taper bearings.
                          Helder Ferreira
                          Setubal, Portugal

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                          • #14
                            Originally posted by larry_g View Post
                            Check out whittet-higgins specifically the MBA lockwasher. It is similar and maybe others there but I did not look at everyone they offer.

                            https://www.whittet-higgins.com/series.php?class_id=5

                            lg
                            no neat sig line
                            Higgins washer.

                            -D
                            DZER

                            Comment


                            • #15
                              Originally posted by 10KPete View Post
                              It's a locking tab washer as are used on automotive spindles. The single tab on the ID is bent back to engage the keyway in the spindle. The tabs around the OD are all straight out radially when new. This lock goes on just before the nut, the nut tightened and tabs are bent up into contact with the sides of the nut all round. The washer locks the position of the nut with the spindle.

                              Hope that long winded spout will help someone!

                              Pete
                              That was my thought as well. It's been a lot of years but I recall these regular front axle nuts on some cars and the odd time they show up on machinery. I'm thinking that there's only the three OD tabs left because after more than one re-use the others were bent one too many times and broke off and the three that are left are the ones that lined up with the edges between the flats so were of no use.

                              Finding the proper size might be a helluva research chase. For the hours that it may take and time waiting for the order I'm thinking it would be easier to draw up a new one and make a couple out of some manner of softer and fatigue resistant sort of steel. I'd test the sheet metal you want to make them from and pick the one which resists a couple of tight bends without fracturing when you test bend a longer narrow test strip.
                              Chilliwack BC, Canada

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