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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 Technical datasheet 3D file Detailed technical sheet Product information PRODUCT DEFINITION Brand NTN d - Internal diameter 260 mm D - External diameter 400 mm B - Bearing/Inner ring width 104 mm D1 - Inner diameter outer ring 365,1 mm rs - Min fillet radius 4 mm Number of lubrication holes 3 b - Groove width 18,29 mm k - Hole diameter 8 mm Radial clearance class CN Mass 47,28 kg
PRODUCT PERFORMANCE C - Dynamic load 2060 kN C0 - Static load 2910 kN Cu - Fatigue limit load 247 kN e - Coefficient 0.23 Y0 - Static axial load coefficient 2.89 Y1 - Lower axial load coefficient 2.95 Y2 - Upper axial load coefficient 4.4 N ref - Reference thermal speed 1300 tr/min N lim - Mechanical Limit Speed 1800 tr/min Tmin - Min operating temperature -40 °C Tmax - Max operating temperature 200 °C
ABUTMENT da min - Min shoulder diameter IR 274,6 mm Da max - Max shoulder diameter OR 385,4 mm ra max - Max shaft & housing fillet radius 3 mm
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