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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 150 mm D - External diameter 270 mm B - Bearing/Inner ring width 96 mm D1 - Inner diameter outer ring 236,6 mm rs - Min fillet radius 3 mm Number of lubrication holes 3 ou 4 b - Groove width 13,7 mm k - Hole diameter 6 mm Associated sleeve reference H2330 Radial clearance class C3 Mass 22,8 kg
PRODUCT PERFORMANCE C - Dynamic load 1340 kN C0 - Static load 1620 kN Cu - Fatigue limit load 157 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 1500 tr/min N lim - Mechanical Limit Speed 2200 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) 7,612 Hz BPFI - Over rolling frequency on inner (60 rpm) 10,389 Hz BSF - Over rolling frequency on rolling element (60 rpm) 6,178 Hz BRF - Rotational frequency – rolling element (60 rpm) 3,089 Hz FTF - Rotational frequency - cage (60 rpm) 0,423 Hz
ABUTMENT da max - Max shoulder diameter IR 0 mm da min - Min shoulder diameter IR 164 mm db - Min diameter for Sleeve 163 mm Ce - Min length fro Sleeve 20 mm Da max - Max shoulder diameter OR 256 mm ra max - Max shaft & housing fillet radius 2,5 mm
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