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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 170 mm D - External diameter 310 mm B - Bearing/Inner ring width 110 mm D1 - Inner diameter outer ring 271,2 mm rs - Min fillet radius 4 mm Number of lubrication holes 3 ou 4 b - Groove width 16,35 mm k - Hole diameter 8 mm Associated sleeve reference H2334 Radial clearance class CN Mass 34,64 kg
PRODUCT PERFORMANCE C - Dynamic load 1700 kN C0 - Static load 2070 kN Cu - Fatigue limit load 193 kN e - Coefficient 0.33 Y0 - Static axial load coefficient 1.98 Y1 - Lower axial load coefficient 2.03 Y2 - Upper axial load coefficient 3.02 N ref - Reference thermal speed 1300 tr/min N lim - Mechanical Limit Speed 1900 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) 7,593 Hz BPFI - Over rolling frequency on inner (60 rpm) 10,407 Hz BSF - Over rolling frequency on rolling element (60 rpm) 6,094 Hz BRF - Rotational frequency – rolling element (60 rpm) 3,047 Hz FTF - Rotational frequency - cage (60 rpm) 0,422 Hz
ABUTMENT da max - Max shoulder diameter IR 0 mm da min - Min shoulder diameter IR 187 mm db - Min diameter for Sleeve 185 mm Ce - Min length fro Sleeve 18 mm Da max - Max shoulder diameter OR 293 mm ra max - Max shaft & housing fillet radius 3 mm
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