This needle bearing is an important wearing part for the clutch of various Piaggio mopeds and scooters.

Purpose: It serves as a clutch drum bearing (also known as a needle bearing for the mono clutch bell) on the crankshaft.
Models: Suitable for models with a mono clutch such as Piaggio Ciao, SI, Bravo, and Boxer.
Design and dimensions: It is a double-row needle bush (HK) with dimensions of 16/22/22 (16 mm inner diameter, 22 mm outer diameter, 22 mm width).
Function: It ensures low-friction support of the clutch bell on the crankshaft pin and is crucial for the correct function of the centrifugal clutch. It is often replaced during engine overhauls or clutch repairs.

Dimensions:
Outer diameter: 22 mm
Inner diameter: 16 mm
Width: 22 mm