Keeping rotating parts healthy makes a big difference. The Factory Pro FP-B-SB0509 steel ball bearings measure 5x9x3mm and come in a four-piece pack, ideal for replacing tired bearings in tight spaces.
These steel bearings are selected to minimise friction and wear in common RC components. They help wheels and small gear trains run more smoothly with basic care and correct fitment.
Use FP-B-SB0509 bearings in wheel hubs, small gearbox shafts, or any application calling for a 5x9x3mm steel bearing. They are a practical spare for workshops and field kits.
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