Arrma Big Rock Granite Senton & Typhon 3s BLX


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Complete Arrma Big Rock Granite Senton & Typhon 3s BLX with bellcrank bearings.

This kit is compatible with the following Arrma vehicles:

  • AR102711 Big Rock 3s BLX
  • AR102666 Granite 3s BLX
  • AR102668 Senton 3s BLX
  • AR102696 Typhon 3s BLX


    27 bearings included:

    • 8- 12x18x4
    • 7- 10x15x4
    • 4- 6x12x4
    • 4- 5x10x4
    • 2- 5x8x2.5
    • 1- 15x21x5
    • 1-10x15x4 Flange 

    Motor bearings are for Both versions of the stock 3660 3200kv motor and include:

    • 2- 5x13x4 metal shield chrome steel 
    • 1-5x16x5 metal shield chrome steel

    please note, you’ll have 1 motor bearing left over


    Chrome Steel

    This is our standard bearing that we have been stocking since the beginning. Chrome Steel is a great budget friendly bearing that will work in most any application.

    • Abec 3
    • Pre Greased
    • Chrome steel
    • Rubber sealed


    440 Stainless Steel

    Stainless Steel bearings offer 75-85% of the strength as the Chrome Steel bearing, but will not corrode when used in wet applications. Stainless Steel also will run safely at a higher temperature than a chrome steel

    • Abec 3
    • Pre Greased
    • 440 Stainless Steel balls retainers & races
    • Rubber sealed


    Ceramic Hybrid 

    Ceramic Hybrids last up to 10xs longer than Chrome Steel bearings.  These are used in applications where high speed, load and temperature are a factor. Ceramic balls are harder and rounder than stainless & chrome steel, so therefore they offer less rolling resistance. 

    • Abec 5
    • Light oil
    • Ceramic Silicon Nitride Si3N4 balls
    • Chrome steel races
    • Chrome steel & reinforced nylon retainers
    • Rubber sealed


    Reinforced nylon retainers

    Reinforced Nylon retainers can handle up to 60% more speed than a chrome steel retainer

    *main picture is a stock photo

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