Overview
The Rexnord MA5218 is a Link-Belt Wide Width Series cylindrical roller bearing inner ring engineered for high-performance industrial applications. Built to Rexnord standards, this precision component features a 90 mm bore diameter and super-finished raceway design that ensures smooth, efficient operation in power transmission systems. Ideal for equipment requiring reliable load-carrying capacity and durability, the MA5218 inner ring integrates seamlessly into hydraulic pumps, air compressors, truck transmissions, gearboxes, and heavy industrial machinery.
Key Features
- 90 mm bore diameter with 160 mm outside diameter—standard wide-width configuration
- Super-finished raceway surfaces for low friction and extended bearing life
- Case-carburized bearing steel construction provides superior strength under demanding loads
- Compatible with standard Link-Belt outer rings and cage assemblies for modular system design
- Proven performance in hydraulic pumps, air compressors, and truck transmissions
Technical Specifications
The following specifications are verified from Rexnord and authorized distributor data:












