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    43 Products

    Tight-Clearance Inverted External Retaining Rings

    Image of Product. Front orientation. Retaining Rings. Tight-Clearance Inverted External Retaining Rings.
    The lugs on these rings point inward, so they won't snag on other parts and have better clearance than standard external rings. Shaped in the most common style, they are tapered so the thickest section is opposite their opening for a secure 360-degree hold. Open with retaining ring pliers, pass over the end of a shaft, then release them to spring into a groove.
    Ring ID is measured with the ring uninstalled.
    Phosphate-Coated Carbon Steel—The most popular choice, these are strong and wear resistant. Their finish adds some corrosion resistance, but only to minimal dampness.
    Retaining Rings
    Pliers
    For
    Groove
    Ring
    For OD
    Dia.
    Wd.
    ID
    Thk.
    Thrust Load
    Cap., lbf
    Min.
    Hardness
    Specs. Met.
    Pkg.
    Qty.
    Pkg.
    Each
    Phosphate-Coated Carbon Steel
    1/2"0.468"0.039"0.461"0.035"1,110Rockwell C47ASME B18.27.45090213A105000005449A81000000
    5/8"0.588"0.039"0.579"0.035"1,420Rockwell C47ASME B18.27.45090213A10600005449A8100000
    3/4"0.704"0.046"0.693"0.042"2,530Rockwell C47ASME B18.27.45090213A107000005449A8100000
    7/8"0.821"0.046"0.81"0.042"2,890Rockwell C47ASME B18.27.45090213A108000005449A8100000
    1"0.94"0.046"0.925"0.042"3,350Rockwell C47ASME B18.27.45090213A109000005449A8100000
    1 1/16"0.998"0.056"0.982"0.05"4,210Rockwell C47ASME B18.27.42590213A11100005449A8200000
    1 1/8"1.059"0.056"1.041"0.05"4,460Rockwell C47ASME B18.27.42590213A112000005449A8200000
    1 3/16"1.118"0.056"1.098"0.05"4,720Rockwell C47ASME B18.27.42590213A113000005449A8200000
    1 1/4"1.176"0.056"1.156"0.05"4,970Rockwell C47ASME B18.27.42590213A114000005449A8200000
    1 5/16"1.232"0.056"1.214"0.05"5,220Rockwell C47ASME B18.27.42590213A115000005449A8200000
    1 3/8"1.291"0.056"1.272"0.05"5,480Rockwell C47ASME B18.27.42590213A116000005449A8200000
    1 7/16"1.35"0.056"1.333"0.05"5,730Rockwell C47ASME B18.27.42590213A117000005449A8200000
    1 1/2"1.406"0.056"1.387"0.05"5,930Rockwell C47ASME B18.27.41090213A11800005449A8200000
    1 9/16"1.468"0.068"1.446"0.062"7,710Rockwell C47ASME B18.27.41090213A11900005449A8200000
    1 5/8"1.529"0.068"1.503"0.062"8,010Rockwell C47ASME B18.27.41090213A12100005449A8200000
    1 25/32"1.669"0.068"1.637"0.062"8,620Rockwell C47ASME B18.27.41090213A12200005449A8200000
    1 13/16"1.708"0.068"1.675"0.062"8,980Rockwell C47ASME B18.27.41090213A12300005449A8200000
    1 31/32"1.857"0.068"1.819"0.062"9,690Rockwell C47ASME B18.27.41090213A12400005449A8200000
    2"1.886"0.068"1.85"0.062"9,890Rockwell C47ASME B18.27.4590213A12500005449A8200000
    2 1/2"2.36"0.086"2.313"0.078"15,500Rockwell C47ASME B18.27.4190213A10100005449A8300000
    3 1/2"3.316"0.12"3.237"0.109"30,300Rockwell C45ASME B18.27.4190213A10300005449A8300000
    4"3.792"0.12"3.7"0.109"34,200Rockwell C45ASME B18.27.4190213A10400005449A8400000
    12 mm11.5 mm1.1 mm11 mm1 mm1,010Rockwell C47DIN 4715097213A101000005449A8100000
    13 mm12.4 mm1.1 mm11.9 mm1 mm1,230Rockwell C47DIN 4715097213A102000005449A8100000
    14 mm13.4 mm1.1 mm12.9 mm1 mm1,340Rockwell C47DIN 4715097213A103000005449A8100000
    15 mm14.3 mm1.1 mm13.8 mm1 mm1,460Rockwell C47DIN 4715097213A104000005449A8100000
    16 mm15.2 mm1.1 mm14.7 mm1 mm1,570Rockwell C47DIN 4712597213A10500005449A8100000
    17 mm16.2 mm1.1 mm15.7 mm1 mm1,820Rockwell C47DIN 4712597213A10600005449A8100000
    18 mm17 mm1.3 mm16.5 mm1.2 mm3,320Rockwell C47DIN 4712597213A107000005449A8100000
    20 mm19 mm1.3 mm18.5 mm1.2 mm3,280Rockwell C47DIN 4712597213A108000005449A8100000
    22 mm21 mm1.3 mm20.5 mm1.2 mm3,190Rockwell C47DIN 4711097213A10900005449A8100000
    23 mm22 mm1.3 mm21.5 mm1.2 mm3,140Rockwell C47DIN 4711097213A11000005449A8100000
    24 mm22.9 mm1.3 mm22.2 mm1.2 mm3,140Rockwell C47DIN 4711097213A11100005449A8100000
    25 mm23.9 mm1.3 mm23.2 mm1.2 mm3,160Rockwell C47DIN 4711097213A11200005449A8100000
    26 mm24.9 mm1.3 mm24.2 mm1.2 mm3,160Rockwell C47DIN 4711097213A11300005449A8200000
    30 mm28.6 mm1.6 mm27.9 mm1.5 mm6,180Rockwell C47DIN 4711097213A114000005449A8200000
    32 mm30.3 mm1.6 mm29.6 mm1.5 mm6,060Rockwell C47DIN 4711097213A115000005449A8200000
    35 mm33 mm1.6 mm32.2 mm1.5 mm5,970Rockwell C47DIN 4711097213A116000005449A8200000
    38 mm35.8 mm1.85 mm34.5 mm1.75 mm9,440Rockwell C47DIN 4711097213A117000005449A8200000
     
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