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  1. #1
    Silver Member
    Join Date
    Sep 2005
    Posts
    113
    Location
    Page County, VA
    Tractor
    Kubota L3130 Kubota L225

    Default King Kutter RFM Bearings

    Has anyone else had problems with the King Kutter 60" idler pulley bearings? I have had to replace most of the bearings/idler pulleys in about 40 operating hours a couple of times. The last set is about a year old and I lost one bearing yesterday. This mower is about four years old. With the expense of the pulley/bearing assemblys, I have taken to drilling out the welds and replacing the bearings themselves, then bolting the pulleys back together. TS has the new bearings (#203KRR-2), for about $8.00. Just wondering....
    David
    Retired Jan '08
    '06 Cummins 5.9, L3130HST, L225, and too many toys... Err...attachments to list.
    MEP 002a generators (3)
    Habitat house builder.

  2. #2
    Veteran Member buckeyefarmer's Avatar
    Join Date
    Jun 2005
    Posts
    2,371
    Location
    MD
    Tractor
    Kubota L3940 L5030 MF205-4

    Default Re: King Kutter RFM Bearings

    I've had mine about 10 yrs, never had to replace them. Have replaced at least each blade spindle unit once.
    L3940HSTC, QA FEL, BH92
    L5030HST,QA,FEL
    MF 205-4
    Husqvarna YTH24V48LS (the other orange)
    KK Finish Mower, KK Tiller, 6' rotary mower, Pallet forks, PHD, Blade, Carryall, cultivator, 2 wheel barrows, assorted gardening tools,

  3. #3
    Platinum Member xlr82v2's Avatar
    Join Date
    Dec 2004
    Posts
    699
    Location
    Southwestern Illinois
    Tractor
    2007 Mahindra 3525, 1952 Ford 8N

    Default Re: King Kutter RFM Bearings

    My KK is on it's 8th season (mowing 5 1/2 acres each week, which is approximately 800 hours, give or take), and I haven't replaced any of the idlers yet. I did have to replace one spindle though.

    You might look at McMaster-Carr and see if you can match up what you need. Or, Call King Kutter and tell them of your problems, maybe they can suggest something for you to try. I've had good luck ordering direct from KK.
    _____________________

    Brian

    2007 Mahindra 3525
    1952 Ford 8N

  4. #4
    New Member
    Join Date
    Aug 2009
    Posts
    10
    Location
    Wadsworth, OH
    Tractor
    Minneapolis-Moline 445, Case VAC, MM ZAU

    Default Re: King Kutter RFM Bearings

    The idler and spindles certainly are wear items. I have located sources for the idler and made up spindle bearing kits I use on my 5' FM . $19 for the 164090 Single Idler and $29.00 for the 555009 Bearing Kit (2 seals, 2 bearings, and 4 snap rings). PayPal invoicing available.

  5. #5
    New Member
    Join Date
    Aug 2013
    Posts
    2
    Location
    Iron Station, NC
    Tractor
    Kioti D40

    Default Re: King Kutter RFM Bearings

    Saw some posts that indicated IF the lock nuts are over tightened the bearings and spindles fail prematurely. Maybe ask KK site about Torques? I have found that if I use a machinist rule (~6" with vernier slide) to measure (record) the distance from the top of the NUT to the TOP of the bolt BEFORE I take it off the first time I have a GOOD indication of correct tightness when I put it back on. Some people count the threads but on coarse threads that is a little week.

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