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6900 2RS BEARING Upgrade your machines with LJK 6900 2RS Deep Groove Ball Bearings (Set of 6) — designed for maximum performance, long life, and smooth operation in all conditions.Each bearing is made with high-precision steel balls and coated with advanced anti-rust oil, ensuring corrosion resistance and durability even in humid or dusty environments.The Premium Red Grease inside offers exceptional high-temperature resistance (up to 260°C) and strong adhesion — preventing grease throw-off while providing long-lasting lubrication.Built for high-speed rotation and heavy-load performance, these bearings use heat-treated steel balls that maintain stability under extreme temperatures and stress.The dual rubber seals (2RS) provide full protection from dust, dirt, and moisture, while retaining grease for a maintenance-free, smooth performance.Ideal for use in electric motors, scooters, e-bikes, submersible pumps, conveyors, power tools, and industrial machinery, these bearings guarantee precision, protection, and power in every rotation.