211244-9 supersedes older part numbers: 210166-0
Genuine Makita ball bearing 6902LLU (part no. 211244-9) — a sealed deep‑groove bearing designed to restore smooth rotation and reduce noise and vibration in rotating assemblies.
Key specifics: bore 15 mm × outer diameter 28 mm × width 7 mm; LLU indicates contact seals on both sides to retain grease and keep out dust.
Typical fitment: used as the spindle/rotor bearing in Makita random‑orbit sanders such as the BO6030 and is shown in parts breakdowns for model BO004CG.
Built to original Makita specification with pressed‑steel races and contact seals, this part is a direct replacement you can install to eliminate rough bearings and restore smooth operation — it’s one of the common power tool parts techs reach for when a sander develops noise or runout.
Installation note: press‑fit correctly (press the inner ring when fitting to a shaft, press the outer ring when fitting into a housing) and avoid applying force to the seals; this preserves bearing life and seal integrity.
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