If you want smoother rotation and longer service life for moving parts, the XRAY 931319 13x19x4 steel sealed ball bearings are a compact, reliable choice. Their sealed construction and accurate dimensions help keep shafts and hubs running with less friction and fewer interruptions.
The XRAY 931319 bearings use quality steel to resist wear and maintain roundness under repeated stress. The seal keeps out dust and grit, so they stay consistent in performance over many sessions. These bearings stand up well to both track laps and everyday bashing.
With an inner diameter of 13mm, outer diameter of 19mm and 4mm width, these bearings suit a wide range of RC layouts. Installation is straightforward for most hobbyists, requiring only basic tools and alignment checks, so both experienced tuners and newcomers can fit them quickly.
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