... non-separable GB/T307.1-2005/ISO492 FOB Dalian China Single row deep groove ball bearing, non-separableFAG, SKF sizeNSK sizeD ... bearings with following structure:1.steel ribbon cage2.Machined brass cage structure: a. M: ball centred b: MA: outer ring centred ... price, efficient production time, and good after-sale service. Brass cage single row deep groove ball bearing, 61876M, 6876