... of bearings. JRDB Self Aligning Ball Bearings are part of our products with high precision and long life, low friction and low noise ... , excellent quality and competitive price.We can provide both single row and double row JRDB self aligning ball ... , GFRPA66-25,PI,AISI,US304, SUS316,Cu or Bronze JRDB Self Aligning Ball Bearings specifications: Model numberd(mm)D(mm)B(mm ...