The SW CSK40PP is a precision-engineered sprag-type freewheel clutch bearing designed for applications requiring high-precision indexing, overrunning, or backstopping functions. Featuring a bore diameter (d) of 40mm, an outer diameter (D) of 80mm, and a width (B) of 22mm, this model integrates the freewheel clutch components directly into a standard 6208 bearing dimension envelope. The 'PP' designation signifies that the clutch is protected by high-quality rubber seals on both sides, ensuring the pre-applied lubrication (grease) is retained and preventing ingress of dust, moisture, and contaminants. This robust design delivers maintenance-free operation and extended service life, even in demanding industrial environments.
Optimized for high torque transmission relative to its size, the CSK40PP provides critical reliability for machinery such as packaging lines, printing presses, textile equipment, and material handling conveyors. Its instantaneous locking action ensures precise positioning and eliminates backlash in indexing drives. Choosing the SW brand guarantees superior material quality, utilizing high carbon chromium steel for the races and precision-ground components for consistent engagement and disengagement cycles. The simple press-fit installation procedure allows for fast replacement and integration, minimizing equipment downtime and maximizing operational efficiency.
Key Features
Integrated double sealing (PP) for maintenance-free operation and superior contaminant protection.
High torsional stiffness and instantaneous locking action for precise indexing accuracy.
Compact design allows interchangeability with standard ball bearing dimensions (6208 series).
High dynamic load rating suitable for continuous overrunning and heavy-duty applications.
Pre-lubricated with high-performance industrial grease, ensuring long operational life.
