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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 NTN d - Internal diameter 280 mm D - External diameter 460 mm B - Bearing/Inner ring width 146 mm d2 - External diameter inner ring 0 mm D1 - Inner diameter outer ring 403 mm rs - Min fillet radius 5 mm Number of lubrication holes 8 b - Groove width 20 mm k - Hole diameter 12 mm Radial clearance class CN Mass 98,4 kg
PRODUCT PERFORMANCE C - Dynamic load 2980 kN C0 - Static load 4400 kN Cu - Fatigue limit load 182 kN e - Coefficient 0.3 Y0 - Static axial load coefficient 2.18 Y1 - Lower axial load coefficient 2.23 Y2 - Upper axial load coefficient 3.32 N lim - Oil lubrication limit speed 1030 tr/min N lim - Grease lubrication limit speed 810 tr/min Tmin - Min operating temperature -40 °C Tmax - Max operating temperature 200 °C
ABUTMENT da min - Min shoulder diameter IR 300 mm Da max - Max shoulder diameter OR 440 mm ra max - Max shaft & housing fillet radius 5 mm
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