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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 260 mm D - External diameter 440 mm B - Bearing/Inner ring width 180 mm d2 - External diameter inner ring 0 mm D1 - Inner diameter outer ring 371 mm rs - Min fillet radius 4 mm Number of lubrication holes 8 b - Groove width 27 mm k - Hole diameter 16 mm Radial clearance class C3 Mass 111 kg
PRODUCT PERFORMANCE C - Dynamic load 3290 kN C0 - Static load 4880 kN Cu - Fatigue limit load 147 kN e - Coefficient 0.4 Y0 - Static axial load coefficient 1.65 Y1 - Lower axial load coefficient 1.69 Y2 - Upper axial load coefficient 2.52 N lim - Oil lubrication limit speed 1090 tr/min N lim - Grease lubrication limit speed 850 tr/min Tmin - Min operating temperature -40 °C Tmax - Max operating temperature 200 °C
ABUTMENT da min - Min shoulder diameter IR 277 mm Da max - Max shoulder diameter OR 423 mm ra max - Max shaft & housing fillet radius 4 mm
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