CR 39997 Heavy-Duty Tapered Roller Bearing | Precision Ground for Extreme Axial and Radial Loads
The CR 39997 is engineered specifically for demanding industrial applications requiring superior management of combined radial and axial loads. Constructed from high-purity, through-hardened steel and utilizing a precision-ground profile, this single-row tapered roller bearing ensures optimal roller contact distribution, significantly reducing stress concentrations under dynamic operating conditions. Its design facilitates efficient heat dissipation and maintains dimensional stability across a wide temperature spectrum, making it an indispensable component in critical power transmission assemblies. The CR 39997 excels in environments where reliability and long service life are paramount, offering a static load rating of 240 kN and a dynamic load rating of 185 kN, certified to meet stringent industrial performance standards.
Selecting the CR 39997 means investing in maximized uptime and reduced maintenance expenditure. This bearing is the preferred choice for applications such as heavy-duty industrial gearboxes, mill drives, primary reduction units, and commercial vehicle wheel ends. The robust CR quality casing resists particle ingress and minimizes wear, ensuring consistent performance even in contaminated or high-vibration settings. When paired with CR's proprietary sealing solutions (not included, but recommended), the 39997 delivers unmatched longevity and operational security, providing industrial operations with the confidence necessary to maintain continuous, heavy production cycles.
Key Features
Optimized Roller Geometry: Designed to distribute loads evenly across the raceway, minimizing edge stresses and extending fatigue life.
High-Strength CR Alloy Steel: Provides exceptional resistance to impact and shock loads inherent in heavy industrial machinery.
Separable Design: Cone (inner ring and roller assembly) and cup (outer ring) can be mounted independently, simplifying installation and maintenance procedures.
Extreme Load Management: Specifically engineered to handle high simultaneous radial and axial forces common in robust power transmission setups.
Precision Tolerance Grinding: Ensures low running noise and minimal vibration, crucial for high-speed industrial processes.
