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Extend operational life by maximizing chain and bar groove alignment while reducing overall costs
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Two-piece design includes a drum with a replacement rim, allowing the rim to be replaced multiple times before the entire unit is replaced
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Replacement schedule: every three rims
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Some Oregon Power Mate systems have bearings installed, but some do not. Part numbers ending with a number have bearings installed. Part numbers ending with the letter "X" do not. Bearings must be purchased separately for all rim systems having part numbers that end with an "X".
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Fits the following models: Husqvarna 50, 51, 55, 55 Rancher, 154, 254 (before S/N 345-0001), 262 (before S/N 342-0001); Jonsered 490, 590; Partner P400, P500, P545, P5000, P5100; Poulan 325
