KOYO Crankshaft Main Bearings are manufactured to precise OEM specifications from the highest quality materials, ensuring a perfect fit for both OEM and aftermarket crankshafts. These bearings are crafted to deliver exceptional performance and reliability, making them an ideal choice for maintaining the smooth operation of your engine. Their robust construction helps reduce friction and wear, extending the lifespan of your crankshaft and enhancing overall engine efficiency. Compatible with SKF NJ206 models, these bearings provide an optimal balance between durability and performance, making them suitable for KTM and SHERCO motorcycles.