The MRC 5213 MFF is a high-precision double row angular contact ball bearing engineered for demanding industrial applications requiring superior load handling and extended service life. Featuring a 30-degree contact angle, this bearing is uniquely designed to accommodate high combined radial and bidirectional axial loads simultaneously, making it ideal for critical positions in gearboxes, heavy-duty pumps, and machine tool spindles. The MFF designation denotes premium construction, utilizing a robust machined brass cage (M) for enhanced durability and thermal stability at high operating speeds, paired with an optimized, low-friction seal and specialized internal grease fill (FF) to maximize cleanliness and reduce friction losses. This robust construction minimizes sensitivity to shock loads and vibration, ensuring consistent performance in harsh environments.
Selecting the 5213 MFF translates directly to reduced downtime and lower maintenance costs. The factory-optimized seal profile ensures contaminants are effectively excluded while retaining the high-performance lubricant, dramatically extending the regreasing interval compared to open-design counterparts. Designed and manufactured to stringent MRC quality standards, this bearing offers excellent rotational accuracy and operational quietness. It provides a reliable drop-in replacement or upgrade for standard 5213 series bearings, offering superior operational longevity necessary for continuous processing applications where reliability is non-negotiable. Leverage MRC quality for improved machine uptime and total cost of ownership (TCO) optimization.
Key Features
Double Row Design: Handles high combined radial and bidirectional axial loads.
Machined Brass Cage (M): Offers high strength and optimal lubricant flow at elevated temperatures and speeds.
Optimized Sealing (FF): Provides superior retention of specialized lubricant and maximum exclusion of contaminants.
High Stiffness and Rotational Accuracy: Essential for machine tool and precision pump applications.
Standardized Dimensions: Allows for easy integration into existing 5213 series housings and machinery.
Low Friction Design: Reduces heat generation and energy consumption for enhanced operational efficiency.