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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 180 mm D - External diameter 320 mm B - Bearing/Inner ring width 86 mm D1 - Inner diameter outer ring 286,8 mm rs - Min fillet radius 4 mm Number of lubrication holes 3 ou 8 b - Groove width 18,02 mm k - Hole diameter 8 mm Associated sleeve reference H3136 Radial clearance class C3 Mass 28,7 kg
PRODUCT PERFORMANCE C - Dynamic load 1450 kN C0 - Static load 1660 kN Cu - Fatigue limit load 153 kN e - Coefficient 0.25 Y0 - Static axial load coefficient 2.68 Y1 - Lower axial load coefficient 2.74 Y2 - Upper axial load coefficient 4.08 N ref - Reference thermal speed 1800 tr/min N lim - Mechanical Limit Speed 2600 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) 7,582 Hz BPFI - Over rolling frequency on inner (60 rpm) 10,418 Hz BSF - Over rolling frequency on rolling element (60 rpm) 6,106 Hz BRF - Rotational frequency – rolling element (60 rpm) 3,053 Hz FTF - Rotational frequency - cage (60 rpm) 0,421 Hz
ABUTMENT da max - Max shoulder diameter IR 0 mm da min - Min shoulder diameter IR 197 mm db - Min diameter for Sleeve 191 mm Ce - Min length fro Sleeve 18 mm Da max - Max shoulder diameter OR 303 mm ra max - Max shaft & housing fillet radius 3 mm
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