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Spherical roller bearing, one-piece machined cage, groove and lubrication holes on outer ring, tapered bore 1:12
The spherical roller bearing withstands significant loads and misalignments . This type of roller bearing is well adapted to harsh operating conditions : impacts or vibrations (crushers, vibrating screens, heavy handling, etc.). With the ULTAGE design, NTN offers as standard, unsurpassed endurance and longevity.
Log in To add this product to your basket Documentation Product information PRODUCT DEFINITION Brand SNR d - Internal diameter 160 mm D - External diameter 270 mm B - Bearing/Inner ring width 86 mm D1 - Inner diameter outer ring 239,8 mm rs - Min fillet radius 2,1 mm Number of lubrication holes 3 ou 4 b - Groove width 13,7 mm k - Hole diameter 6 mm Associated sleeve reference H3132 Radial clearance class C3 Mass 19,53 kg
PRODUCT PERFORMANCE C - Dynamic load 1220 kN C0 - Static load 1580 kN Cu - Fatigue limit load 152 kN e - Coefficient 0.29 Y0 - Static axial load coefficient 2.3 Y1 - Lower axial load coefficient 2.35 Y2 - Upper axial load coefficient 3.5 N ref - Reference thermal speed 1800 tr/min N lim - Mechanical Limit Speed 2400 tr/min Tmin - Min operating temperature -40 °C Tmax - Max operating temperature 200 °C
BEARING FREQUENCIES BPFO - Over rolling frequency on outer ring (60 rpm) 9,113 Hz BPFI - Over rolling frequency on inner (60 rpm) 11,887 Hz BSF - Over rolling frequency on rolling element (60 rpm) 7,308 Hz BRF - Rotational frequency – rolling element (60 rpm) 3,654 Hz FTF - Rotational frequency - cage (60 rpm) 0,434 Hz
ABUTMENT da max - Max shoulder diameter IR 0 mm da min - Min shoulder diameter IR 172 mm db - Min diameter for Sleeve 170 mm Ce - Min length fro Sleeve 8 mm Da max - Max shoulder diameter OR 258 mm ra max - Max shaft & housing fillet radius 2 mm
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