The Factory Pro B-SB025F flanged steel ball bearings are supplied as four 1/8 x 5/16 units suitable for a wide range of RC builds. Their solid steel construction provides consistent performance for both maintenance and component upgrades.
The flange keeps the bearing aligned inside its housing when side loads occur, cutting down on unwanted movement. That positive retention helps preserve gear mesh and shaft alignment under load.
Built from quality steel, these bearings are intended to handle repeated use on track or at the field. Standard dimensions increase compatibility, making them a useful spare when refreshing moving parts.
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