PRODUCT DEFINITION Brand SNR d – Internal diameter 40 mm D – External diameter 80 mm B – Bearing/Inner ring width 18 mm d1 – External diameter inner ring 54 mm D1 – Inner diameter outer ring 67,1 mm rs – Min fillet radius 1,1 mm Radial clearance class CN Precision class P0 Mass 0,417 kg PRODUCT PERFORMANCE C – Dynamic load 18,9 kN C0 – Static load 6,5 kN Cu – Fatigue limit load 0,3 kN e – Coefficient 0.22 Y0 – Static axial load coefficient 3.01 Y1 – Lower axial load coefficient 2.87 Y2 – Upper axial load coefficient 4.44 N ref – Reference thermal speed 8600 tr/min N lim – Mechanical Limit Speed 11000 tr/min Tmin – Min operating temperature -40 °C Tmax – Max operating temperature 120 °C BEARING FREQUENCIES BPFO – Over rolling frequency on outer ring (60 rpm) 7,279 Hz BPFI – Over rolling frequency on inner (60 rpm) 9,721 Hz BSF – Over rolling frequency on rolling element (60 rpm) 6,747 Hz BRF – Rotational frequency – rolling element (60 rpm) 3,374 Hz FTF – Rotational frequency – cage (60 rpm) 0,428 Hz
