If you are bothered about the HSR30 Series Linear Motion Guides prices
Bearing Number = B7005-C-2RSD-T-P4S-UL B = Standard steel balls 70 = Medium series 05 = 25mm bore diameter C = 15 degrees contact angle 2RSD = Sealed at both sides and lubricated T = Textile laminated phenolic resin outer ring guided P4S = FAG standard
The product type is Radial Spherical Plain Bearings GE
GV20008JF3AT Airtac GV Soft Start Air Valve
6006 Hybrid Ceramic Bearings (30X55X13) can be made with chrome 52100 or stainless steel for the inside and outside race along with silicon nitride balls
MBL50X250SUG
Airtac Round Body Air Cylinder, Double Acting Axial Deep Groove Ball Bearings 512 If you are bothered aboutMBL50X250SUG Airtac Round Body Air Cylinder, Double Acting Round body pneumatic cylinder, double acting, aluminum barrel, 50 mm bore, 250 mm stroke, with magnet, flat end type back cover, G thread. Acting Type Double Acting Airtac mbl Round Body Air Cylinder Aluminum Barrel Airtac Product Series Airtac MBL Round Body Air Cylinder Aluminum Barrel Back Cover Type Flat End Bore Size 50mm Brand Airtac Component Type Round Body Pneumatic Cylinder Magnet