XL=X-Life. C3=Internal Clearance Larger Than Normal. 2S=If Two Or More Bearings Are Located Adjacent To Each Other In A Planet (2, 3 Or 4 Bearings), These Must Be Ordered Using The Suffix 2S, 3S Or 4S So That They Are Sorted Together. L271=Anti Wear
Inner (d) Inch
Outer (D) Inch
Width (B) Inch
Description from Medias
Needle roller bearings NA48, dimension series 48, to DIN 617/ISO 1206