PEEK cages performbetter than PTFE cages in most applications due to their greater strength
Bearing Number = 7940CTRDUELP3 7 = Angular contact series bearing 9 = Dimension series 40 = 200mm bore diameter C = 15 Degree contact angle TR = Phenolic cage outer ring guided DU = Set of 2 for universal arrangement EL = Extra light preload P3 = Special class (dimensional accuracy ISO Class 4
If you are bothered about the LME254058 LINEAR BUSHING 25X40X58 MM prices
Manufacturer Product Code 10PL1613/635L Basic Product Description Poly-Vee Belt Measurement Metric UOM Each Nominal Length Ln (mm) 1613 Rib Pitch (mm) 4
MBL20X250SUT Airtac MBL Round Body Air Cylinder, Double Acting Pneumatic Compact Cylinders PEEK cages performbetter than PTFEMBL20X250SUT Airtac MBL Round Body Air Cylinder, Double Acting Round body pneumatic cylinder, double acting, aluminum barrel, 20 mm bore, 250 mm stroke, with magnet, Flat end type back cover, NPT thread, Product Info Acting Type Double Acting Airtac mbl Round Body Air Cylinder Aluminum Barrel Product Series Airtac MBL Round Body Air Cylinder Aluminum Barrel Back Cover Type Flat End Bore Size 20mm Brand Airtac Component Type Round Body Pneumatic