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KOYO 6303RDD Deep Groove Radial Ball Bearing – Double-Sealed Design for High-Speed, Contaminant-Resistant Applications
The KOYO 6303RDD is a deep groove radial ball bearing with a 47mm outer diameter, featuring dual rubber seals (2RS) for enhanced protection against dirt, moisture, and debris. Engineered for quiet, high-speed operation, it is ideal for use in electric motors, small pumps, gearboxes, and other sealed or semi-sealed systems.
Constructed from KOYO’s high-quality bearing steel, this bearing delivers low friction, smooth rotation, and long-lasting performance under both radial and light axial loads. The factory-installed grease and sealed design reduce the need for maintenance while ensuring consistent lubrication throughout the life of the bearing.
Common in industrial automation, HVAC systems, and precision machinery, the KOYO 6303RDD is built for durability and reliability in compact, high-demand applications.
Choose the KOYO 6303RDD Ball Bearing for sealed-in performance, quiet operation, and long service life in space-constrained equipment.
1–3 Days in Most States
Bulk Discounts Available
OEM-Approved Lubricants
Fleets & Operators
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