Inner diameter:50mm Number of Row:Single Row Bore Size:50mm Outer Diameter:80mm Size:13mm Type:Roller Bearing CET1:ISO9001 2008 CET2:TUV Roller pitch diameter:64mm Chamfer:0.6 r/min Shoulder height ds:57.4mm,72mm Static load rating Cr:16.7kN Dynamic load rating Cor:20.9kN weight:0.27kg Inner ring radial run out:5um Inner ring axial run out:5um Tolerance of the inner ring:-6/0um Tolerance of outer ring:-6/0um Height tolerance of inner ring:-75um Height tolerance of outer ring:-100um Radial clearance:-8/0um quality similar to:THK/IKO/INA THB's Cross roller bearing RB series's characteristics : R u   series(integrated inner/outer ring type) since the mounting holes are provided, the model does not require a pressure flange or housing. In addition, because it has an integrated inner/outer ring structure and is equipped with washers, its performance is minimally affected by the mounting procedure, ensuring stable rotation accuracy and torque. This model can be used for both inner-ring rotation and outer-ring rotation. RB3010;RB3510;RB4010;RB4510;RB5013;RB6013;RB7013;RB8016;RB9016;RB10016;RB10020;RB11020;RB11012;RB11015;RB12016;RB13015;RB13025;RB14016;RB14025;RB15013;RB15025;RB15030;RB16025;RB17020;RB18025;RB19025;RB20025;RB20030;RB20035;RB22025;RB24025;RB25025;RB25030;RB25040;RB30025;RB30035;RB30040;RB35020;RB40035;RB40040;RB45025;RB50025;RB50040;RB50050;RB60040;RB70045;RB80070;RB90070;RB1000110;RB1250110