Features:

These motorcycle engine primary shaft bearings utilize premium Chrome Steel 100Cr6 with a 60 HRC hardness rating to withstand the extreme demands of powerful engines. The ABEC-7 precision standard guarantees consistent performance under high rotational speeds, and the C0/(K25) clearance provides optimal internal geometry for reliable operation. This combination ensures exceptional resistance to deformation and wear, even in the most challenging riding conditions.

Designed to meet the specific requirements of modern motorcycle engines, these bearings demonstrate excellent compatibility with various motorcycle models and engine designs. The included bearing set offers comprehensive coverage for primary shaft applications, supporting both stock replacements and performance upgrades. Their engineering focuses on maintaining stable operation across different load conditions, ensuring dependable power transfer from the engine to the transmission system.

The precision manufacturing of these bearings facilitates straightforward installation using common workshop tools. Their superior material quality and exacting tolerances minimize the need for frequent adjustments or replacements. When properly installed, these bearings provide extended service intervals and contribute to overall engine longevity, representing a smart choice for riders seeking uncompromising reliability and reduced maintenance concerns.