PRODUCT DEFINITION Brand SNR d – Internal diameter 25 mm D – External diameter 52 mm B – Bearing/Inner ring width 15 mm d1 – External diameter inner ring 33,3 mm D1 – Inner diameter outer ring 43,1 mm rs – Min fillet radius 1 mm Radial clearance class CN Precision class P0 Mass 0,139 kg PRODUCT PERFORMANCE C – Dynamic load 11,9 kN C0 – Static load 3,3 kN Cu – Fatigue limit load 0,15 kN e – Coefficient 0.27 Y0 – Static axial load coefficient 2.43 Y1 – Lower axial load coefficient 2.32 Y2 – Upper axial load coefficient 3.59 N ref – Reference thermal speed 13000 tr/min N lim – Mechanical Limit Speed 18000 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) 4,887 Hz BPFI – Over rolling frequency on inner (60 rpm) 7,113 Hz BSF – Over rolling frequency on rolling element (60 rpm) 5,12 Hz BRF – Rotational frequency – rolling element (60 rpm) 2,56 Hz FTF – Rotational frequency – cage (60 rpm) 0,407 Hz
