JHA17XL0 ultra thin wall four point contact ball bearing maintains consistent JHA‑XL0 equal cross‑section with enlarged bore size. Double‑sealed design offers reliable contaminant resistance. Optimized gothic‑arch raceway enables it to take radial, axial and overturning moment loads together. Ideal for compact robot auxiliary joints, optical scanning devices and custom miniaturized precision mechanical systems under complex combined loads.

X-type four-point contact ball bearings - JHA series (double-sided sealing) feature a four-point contact raceway design with integrated non-contact rubber seals on both sides, supporting bidirectional axial loads while providing effective dust protection and maintaining low friction torque. Available in double-sealed configurations only, with bore diameters ranging from 20mm to 200mm. These bearings deliver compact design, high axial rigidity, low rotational resistance, and maintenance-free operation with contamination protection, making them ideal for industrial robot joints, slewing rings in clean environments, packaging machinery, medical equipment, and precision automation systems where sealing is required without sacrificing speed or efficiency.