The Timken Company
The Timken Company
4500 Mt Pleasant St. NW
N. Canton, OH 44720
Phone: (234) 262-3000
E-Mail: CustomerCAD@timken.com • Web site: www.timken.com
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  • Body - Alloy steel - heat treated - electroless nickel plated.
  • Ball - Alloy steel - heat treated - hard chrome plated.
  • Race - Alloy steel - heat treated - electroless nickel plated.
    RAM & RAB Image
    RAM & RAB Dimensional Drawing
    Unit of Measure
    1 

    Part Number

    Thread Type

    B - Ball Bore

    W - Ball Width

    H - Head Width

    A - Base to Center

    D - Head Diameter

    C - Thread Length

    Thread Size

    Ultimate Radial Static Load Capacity

    CAD

    RAM-3 N/A Right Hand N/A .1900 in N/A .312 in N/A .250 in N/A 1.250 in N/A .625 in N/A .750 in N/A 10-32 N/A 2,851 lbs N/A CAD
    RAB-3 N/A Left Hand N/A .1900 in N/A .312 in N/A .250 in N/A 1.250 in N/A .625 in N/A .750 in N/A 10-32 N/A 2,851 lbs N/A CAD
    RAM-4 N/A Right Hand N/A .2500 in N/A .375 in N/A .281 in N/A 1.562 in N/A .750 in N/A 1.000 in N/A 1/4-28 N/A 5,260 lbs N/A CAD
    RAB-4 N/A Left Hand N/A .2500 in N/A .375 in N/A .281 in N/A 1.562 in N/A .750 in N/A 1.000 in N/A 1/4-28 N/A 5,260 lbs N/A CAD
    RAM-5 N/A Right Hand N/A .3125 in N/A .437 in N/A .344 in N/A 1.875 in N/A .875 in N/A 1.187 in N/A 5/16-24 N/A 7,125 lbs N/A CAD
    RAB-5 N/A Left Hand N/A .3125 in N/A .437 in N/A .344 in N/A 1.875 in N/A .875 in N/A 1.187 in N/A 5/16-24 N/A 7,125 lbs N/A CAD
    RAM-6 N/A Right Hand N/A .3750 in N/A .500 in N/A .406 in N/A 1.938 in N/A 1.000 in N/A 1.187 in N/A 3/8-24 N/A 8,939 lbs N/A CAD
    RAB-6 N/A Left Hand N/A .3750 in N/A .500 in N/A .406 in N/A 1.938 in N/A 1.000 in N/A 1.187 in N/A 3/8-24 N/A 8,939 lbs N/A CAD
    RAM-7 N/A Right Hand N/A .4375 in N/A .562 in N/A .437 in N/A 2.125 in N/A 1.125 in N/A 1.312 in N/A 7/16-20 N/A 9,653 lbs N/A CAD
    RAB-7 N/A Left Hand N/A .4375 in N/A .562 in N/A .437 in N/A 2.125 in N/A 1.125 in N/A 1.312 in N/A 7/16-20 N/A 9,653 lbs N/A CAD
    RAM-8 N/A Right Hand N/A .5000 in N/A .625 in N/A .500 in N/A 2.438 in N/A 1.312 in N/A 1.437 in N/A 1/2-20 N/A 15,500 lbs N/A CAD
    RAB-8 N/A Left Hand N/A .5000 in N/A .625 in N/A .500 in N/A 2.438 in N/A 1.312 in N/A 1.437 in N/A 1/2-20 N/A 15,500 lbs N/A CAD
    RAM-10 N/A Right Hand N/A .6250 in N/A .750 in N/A .562 in N/A 2.625 in N/A 1.500 in N/A 1.562 in N/A 5/8-18 N/A 17,148 lbs N/A CAD
    RAB-10 N/A Left Hand N/A .6250 in N/A .750 in N/A .562 in N/A 2.625 in N/A 1.500 in N/A 1.562 in N/A 5/8-18 N/A 17,148 lbs N/A CAD
    RAM-10-12 N/A Right Hand N/A .6250 in N/A .875 in N/A .687 in N/A 2.875 in N/A 1.750 in N/A 1.687 in N/A 3/4-16 N/A 27,021 lbs N/A CAD
    RAB-10-12 N/A Left Hand N/A .6250 in N/A .875 in N/A .687 in N/A 2.875 in N/A 1.750 in N/A 1.687 in N/A 3/4-16 N/A 27,021 lbs N/A CAD
    RAM-12 N/A Right Hand N/A .7500 in N/A .875 in N/A .687 in N/A 2.875 in N/A 1.750 in N/A 1.687 in N/A 3/4-16 N/A 27,021 lbs N/A CAD
    RAB-12 N/A Left Hand N/A .7500 in N/A .875 in N/A .687 in N/A 2.875 in N/A 1.750 in N/A 1.687 in N/A 3/4-16 N/A 27,021 lbs N/A CAD
    Unit of Measure
    1