single and duplex arrangements r1a ra equivalent bearing load dynamic pr xfr yfa fa ra ... 040 0.070 0.10 0.15 0.20 0.30 0.40 0.50 e 0.37 0.39 0.41 0.44 0.46 0.49 0.51 0.55 ... 0.56 0.56 single dt db df fa fr e fa fr e fa fr e fa fr exyxyxyxy 1.51 1. ... limiting speeds duplex rpm grease oil bearing numbers abutment and fillet dimensions ... .9 33.0 60.5 113 182 23.5 47.0 76.0 123 205 24.0 47.5 64.5 14.8 28.1 38.5 57.5 86.0 ... find with the formula 2f c note this bearing has a contact angle of 15 and is ... manufactured with accuracies of jis class 5 or higher ...
tapered roller bearings sa sb r1a ra da db da db equivalent ... bearing load dynamic pr xfr yfa fa fa e fr fr exyxy 1 0 0.4 y2 static por 0.5fr ... yofa when por fr use por fr for values of e y2 and yo see the table below ... da min db min sa min ras max r1as max a e y2 yo approx 4fd 2gb 7gb 2gd 2cc 4ec ... 175 170 193 193 176 170.5 175 189 182 205 205 183 203 246 246 246 246 171.5 170 ... 4ec 4gb 4gd 2gb 3dc note when selecting bearings with bearing numbers marked with ... please consult ntn engineering ...
