high-capacity design P4 = Dimensional and running accuracy in accordance with ISO tolerance class 4 DG = Set of two bearings for universal matching B = Light preload (719
ACQ100X300B Airtac Compact Air Cylinder
S 719 = Light series bearing USS = Standard single row spindle bearings with steel balls / fibre cage 90 = 90mm bore A21 = 21 degree contact angle 0 = Tolerance class inner ring: more accurate than P2 or ABEC 9 0 = Tolerance class inner ring: more accurate than P2 or ABEC 9 S = Heavy prelaod
If you are bothered about the KB140XP0 14"x14
Model = 71910ACE/P4ADGA 719 = Angular contact ball bearing in accordance with ISO dimension series 19 10 = 50mm bore diameter ACE = 25 deg contact angle
NURT40 IKO Cam Followers Bearings Rod Ends SI..E/ES high-capacity design P4 = DimensionalNURT40 IKO Cam Followers Bearings I. D. 40 mm Material Carbon steel Retainer Full Complement Roller Dia 80 mm Roller Surface Profile Cylindrical Roller Width 30 mm Cylindrical Roller Follower, Metric, 40 mm Inside Diameter, Full Complement, High Carbon Chrome Steel, Oil Hole, Open, Cylindrical