PGN MR105-2RS Bearing - Lubricated Chrome Steel Sealed Ball Bearing

MODEL MR105-2RS IN DIAMETER (BORE) 5 mm TYPE Rubber Seal on both sides OUT. DIAMETER 10 mm MATERIAL 100% Chrome Steel RPM 45,000 CLEARANCE C0 (Pre-Lubricated) DYNAMIC LOAD 98 lbs WIDTH (THICKNESS) 4 mm STATIC LOAD 38 lbs Read More MR105-2RS Ball Bearing The MR105-2RS Ball Bearing is a miniature deep groove ball bearing with double rubber seals designed for compact applications requiring precision, smooth rotation, and dependable performance in small mechanical systems. Measuring 5x10x4mm, this miniature bearing is manufactured from chrome steel and supplied factory pre-lubricated to simplify installation and improve operational stability in compact equipment. The 2RS configuration helps preserve internal lubrication while reducing exposure to dust and moisture during operation. (pgnbearings.com) Applications for the MR105-2RS The MR105-2RS can be used in a variety of compact systems and precision equipment, including: Mini electric motors Electronic equipment Drones and gimbals RC models Precision instruments Small automated systems Compact mechanical equipment Hobby and automation applications Miniature bearings in this category are commonly selected for applications with limited installation space and stable high-speed operation. Features of the MR105-2RS Ball Bearing Compact dimensions Its 5x10x4mm size allows installation in small mechanisms and limited-space equipment. Double rubber seals The 2RS configuration helps retain lubrication while reducing entry of external debris. Smooth and precise rotation Deep groove design supports low vibration and improved operational stability. Chrome steel construction Chrome steel provides dependable mechanical strength and reliable durability for continuous operation. When to Use a Miniature Bearing Miniature bearings like the MR105-2RS are commonly recommended for: Electronic equipment Compact applications Precision systems Small high-speed motors Automated equipment Usage Recommendations To help maximize bearing life: Maintain proper alignment Avoid excessive impact loads Keep the system clean Prevent overloading Monitor abnormal vibration PGN Bearings Product Line PGN Bearings supplies solutions for industrial, mechanical, and precision applications. The product line includes ball bearings, miniature bearings, roller chains, pillow block bearings, steel balls, and additional components designed for consistent performance and reliable operation. FAQ What does MR105-2RS mean? MR105 identifies the miniature bearing size, while “2RS” indicates rubber seals on both sides of the bearing. What size is the MR105-2RS? This bearing measures 5x10x4mm. Does the MR105-2RS come pre-lubricated? Yes. The bearing comes factory pre-lubricated. Can this bearing be used in drones and RC models? Yes. The MR105-2RS is commonly used in drones, RC equipment, and compact rotating systems. Is chrome steel durable? Yes. Chrome steel provides dependable mechanical strength and reliable performance for compact applications.