Needle Bearings are roller bearings with rollers that have high length-to-diameter ratios. Needle bearings use long, thin cylindrical rollers resembling needles. They typically have rollers that are at least four times longer than their diameter.

Needle Roller Bearings are bearings that perform exceptionally well under high-speed conditions. Their needle rollers are guided by a special-shaped high-rigidity and precision retainer, ensuring extremely low dimensional tolerances. Despite having a smaller cross-sectional area, these bearings have a high load-carrying capacity, making them highly suitable for bearing configurations with limited radial space.