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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 220 mm D - External diameter 300 mm B - Bearing/Inner ring width 60 mm D1 - Inner diameter outer ring 277,5 mm rs - Min fillet radius 2,1 mm Number of lubrication holes 3 b - Groove width 13,7 mm k - Hole diameter 6 mm Radial clearance class CN Mass 12,4 kg
PRODUCT PERFORMANCE C - Dynamic load 741 kN C0 - Static load 1210 kN Cu - Fatigue limit load 111 kN e - Coefficient 0.18 Y0 - Static axial load coefficient 3.67 Y1 - Lower axial load coefficient 3.76 Y2 - Upper axial load coefficient 5.59 N ref - Reference thermal speed 1800 tr/min N lim - Mechanical Limit Speed 2200 tr/min Tmin - Min operating temperature -40 °C Tmax - Max operating temperature 200 °C
ABUTMENT da min - Min shoulder diameter IR 230,2 mm Da max - Max shoulder diameter OR 289,8 mm ra max - Max shaft & housing fillet radius 2 mm
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