6309ZZ Deep Groove Ball Bearing 45×100×25mm Heavy‑load For Motor Pump Conveyor Equipment

6309ZZ is a heavy‑duty single‑row deep groove ball bearing with dimensions 45×100×25mm. Equipped with double‑sided non‑contact ZZ metal dust shields and factory pre‑filled grease, it is made of high‑strength GCr15 chrome steel. This bearing features larger load‑carrying capacity, low‑friction and quiet running performance. It can withstand radial loads and moderate bidirectional axial loads, widely applied for motors, pumps, conveyors and other rotary industrial equipment requiring higher load capacity.

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• Double ZZ metal shields provide reliable dust‑proof protection
• Pre‑lubried with grease for convenient installation and long service life
• Low‑friction deep‑groove structure ensures stable high‑speed and low‑noise rotation
• Stamped steel cage delivers balanced running performance
• Hardened chrome‑steel raceway offers excellent wear‑resistance
• Compact universal size for quick replacement of standard spare parts

• Small‑size electric motors and generator equipment
• Conveyor rollers and belt‑drive transmission systems
• Water pumps, fans and ventilation machinery
• Power tools and garden rotary equipment
• Bicycle, motorcycle and light automotive accessories
• General‑purpose automation and household machinery parts

*Check matched bearing models to complete your mechanical assembly.

• 30 years professional bearing industry experience
• ISO certified strict quality inspection
• Flexible OEM & private label customization
• 3-5 days fast delivery for stocked bearings
• Full bearing series, universal interchangeable size
• Factory direct price & reliable after-sales service

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