Brand: TIMKEN
TIMKEN A 4138 B Tapered Roller Bearing Cone (Inner Ring) - High Axial & Radial Load Capacity
The TIMKEN A 4138 B is a precision-engineered Tapered Roller Bearing (TRB) Cone, designed to manage demanding combinations of radial and thrust loads in critical industrial applications. As the inner ring assembly, it features high-integrity rollers and a robust cage designed for optimal load distribution and reduced friction. Manufactured using high-purity, case-carburized steel, the A 4138 B exhibits superior surface hardness for maximum wear resistance, while maintaining a tough, shock-resistant core. This component is crucial for achieving the proper bearing setting and clearance when paired with a compatible cup (usually the 4100 series cup), ensuring system rigidity and smooth operation in applications such as heavy-duty transmissions, differential axles, and demanding material handling equipment.
Selecting the genuine TIMKEN A 4138 B ensures adherence to strict dimensional tolerances and quality control, which directly translates to extended service life and minimized unplanned downtime. Its design facilitates efficient mounting and dismounting, streamlining maintenance procedures. This bearing component is optimized for environments requiring consistent performance under variable speed and temperature conditions. Investing in this quality cone component from Timken—a leader in friction management—secures the long-term reliability and efficiency of high-stress mechanical systems, offering superior longevity compared to standard-grade alternatives.
Key Features
Precision-ground rolling surfaces minimize friction and heat generation.
Case-carburized steel construction provides high wear resistance and shock toughness.
Optimized internal geometry ensures high dynamic and static load ratings.
Easily separable cone and cup facilitates simplified maintenance and installation procedures.
Designed for precise fit and consistent performance in high-speed and high-temperature environments.
Meets stringent TIMKEN standards for long life and minimal operational noise.
