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A complete wheel bearing and seal kit for 10,000 lb trailer axles with a #99 spindle. It pairs a 28580/28521 inner bearing set with a 25580/25520 outer set and a 091030 oil seal. Buying the matched set removes the guesswork of sourcing bearings and seals separately, which is the main draw over piecing parts together. It suits owners repacking or rebuilding trailer hubs who know their spindle and axle rating.
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This bearing kit is for servicing 10,000 lb trailer axles. It includes inner and outer tapered bearing sets and an oil seal, the components needed for bearing and seal maintenance or replacement.
The kit is designed for #99 spindle applications. Before use, check the bearing part numbers, oil seal dimensions, spindle type and axle specifications to confirm correct fitment.
