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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 280 mm D - External diameter 420 mm B - Bearing/Inner ring width 106 mm D1 - Inner diameter outer ring 385,2 mm rs - Min fillet radius 4 mm Number of lubrication holes 8 b - Groove width 18,32 mm k - Hole diameter 8 mm Associated sleeve reference H3056H Radial clearance class C3 Mass 50,55 kg
PRODUCT PERFORMANCE C - Dynamic load 2170 kN C0 - Static load 3150 kN Cu - Fatigue limit load 263 kN e - Coefficient 0.22 Y0 - Static axial load coefficient 3 Y1 - Lower axial load coefficient 3.07 Y2 - Upper axial load coefficient 4.58 N ref - Reference thermal speed 1200 tr/min N lim - Mechanical Limit Speed 1700 tr/min Tmin - Min operating temperature -40 °C Tmax - Max operating temperature 200 °C
ABUTMENT da min - Min shoulder diameter IR 294,6 mm db - Min diameter for Sleeve 292 mm Ce - Min length fro Sleeve 12 mm Da max - Max shoulder diameter OR 405,4 mm ra max - Max shaft & housing fillet radius 3 mm
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