61912 Hybrid Ceramic Bearings can be made with chrome 52100 or stainless steel for the inside and outside race along with silicon nitride balls
CFE20-1BUUR[6 IKO Cam Followers Bearings
MA20X400SUG Airtac Round Body Air Cylinder
Bearing Number = 7212CTRSULP4 7 = Angular contact series bearing 2 = Dimension series 12 = 60mm bore diameter C = 15 Degree contact angle TR = Phenolic cage outer ring guided SU = Single universal bearing L = Light preload P4 = ISO Class 4
TDH80X40KG
Airtac Pneumatic Stopper Cylinder, Double Acting with Spring Airtac JSI 61912 Hybrid Ceramic Bearings canTDH80X40KG Airtac Pneumatic Stopper Cylinder, Double Acting with Spring Pneumatic stopper cylinder, double acting with bulit in spring, 80mm bore, 40mm stroke, without magnet, shockless stopper (adjustable absorber), without self lock, G thread type Acting Type Double Acting Airtac tdh tdm Stopper Cylinder Double Acting with Spring Airtac Product Series Airtac TDH TDM Stopper Cylinder Double Acting with Spring Bore Size 80mm Brand Airtac Component