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Spherical roller bearing, pressed steel 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 170 mm D - External diameter 280 mm B - Bearing/Inner ring width 88 mm d2 - External diameter inner ring 196,2 mm D1 - Inner diameter outer ring 249,7 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 H3134 Radial clearance class CN Mass 21,55 kg
PRODUCT PERFORMANCE C - Dynamic load 1270 kN C0 - Static load 1700 kN Cu - Fatigue limit load 162 kN e - Coefficient 0.28 Y0 - Static axial load coefficient 2.34 Y1 - Lower axial load coefficient 2.39 Y2 - Upper axial load coefficient 3.56 N ref - Reference thermal speed 1700 tr/min N lim - Mechanical Limit Speed 2300 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) 9,625 Hz BPFI - Over rolling frequency on inner (60 rpm) 12,375 Hz BSF - Over rolling frequency on rolling element (60 rpm) 7,74 Hz BRF - Rotational frequency – rolling element (60 rpm) 3,87 Hz FTF - Rotational frequency - cage (60 rpm) 0,438 Hz
ABUTMENT da max - Max shoulder diameter IR 0 mm da min - Min shoulder diameter IR 182 mm db - Min diameter for Sleeve 180 mm Ce - Min length fro Sleeve 8 mm Da max - Max shoulder diameter OR 268 mm ra max - Max shaft & housing fillet radius 2 mm
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