TRX250R 400EX RPM TWIN ROW BEARING CARRIER A11-100-T

SKU: TRX250R-RPM-A11-100-T
Our Price US$207.96
US$218.90
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TRX250R RPM TWIN ROW BEARING CARRIER
Featuring the highest quality twin row bearings available and a high strength chromoly center tube, this bearing carrier will give you much more strength and durability than your standard single row bearing carrier. The sealed bearing setup is best suited for someone looking for a carrier that is maintenance free. Fits all stock components
 
Shipping Weight    5 lbs
Material    6061 ALUMINUM

Why do I need to replace my OEM bearing carrier?

One of the first things that fail on an ATV is the axle bearing carrier. When this happens it can be very costly. Typically damaging the axle, sprocket hub, brake hub, and the housing itself. These items can be very costly to replace not even taking into account the inconvenience of a break down during a long ride or in the middle of a race. Stock OEM carriers typically are aluminum castings and use only single row ball bearings. Because of this they do not hold up to the rigorous riding style of most serious riders and racers. RPM's Twin Row Bearing Carrier is CNC machined from aircraft quality billet 6061-T6 aluminum. Each bearing is a dual row ball and race with factory installed seals, or in some cases two sealed single row ball bearings installed side by side. For a total of four rows of bearings to increase the strength and longevity of the bearing carrier. RPM is insistent on using only the highest quality bearings available. They also have pressed in seals outboard of the bearings to protect them from water and contamination. The Twin Row Carrier also includes a center tube made of 4130 chromoly steel. This high strength center tube prevents the inner bearing race from side loading and causing bearing derailment and failure.The bottom line is that RPM has manufactured the strongest and most reliable bearing carriers in the world for almost 20 years.

What advantages does the Twin Row carrier have over the Tapered carrier?

The advantage with a Twin Row ball bearing is that it has a much better sealing system to prevent water from entering the bearings causing rust and corrosion. The disadvantage is that a ball bearing can't handle as much of a side load as the tapered bearing can, nor can it be disassembled, inspected and repacked with grease. Ball bearings are best suited for high speed (10,000 RPM) and radial loads. A radial load would be an up down forward backward load. An axle will never rotate at speeds necessary for a ball bearing. An axial load (side to side) on a ball bearing can cause premature failure. A blow to the end of an ATV axle would be an axial load. A tapered bearing is best suited for slower speeds (3000 RPM) and both radial (up and down) and axial loads (side to side). Best all around use, hard cornering, being hit from the side from another racer, and crashing or flipping landing hard on the end of the axle.

Do I need to greese the bearings in my bearing carrier?

No. The Twin Row bearing carrier uses sealed bearings and do not require greasing.

Will this bearing carrier fit all my stock components?

Yes. It will fit all factory parts as well as most aftermarket parts.

How important is it to have a strong center tube?

Without a strong center tube the inner bearing race can be crushed causing bearing derailment or failure. RPM uses 4130 steel (chromoly) to prevent this from happening.

Will I loose any chain adjustment with this carrier?

No.

How can I tell if my stock carrier is damaged?

You may be able to feel roughness or resistance in the rotation of the axle in the carrier. It also may start getting hot and smelling like burnt grease.

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