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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 140 mm D - External diameter 250 mm B - Bearing/Inner ring width 68 mm D1 - Inner diameter outer ring 223,9 mm rs - Min fillet radius 3 mm Number of lubrication holes 3 b - Groove width 14,2 mm k - Hole diameter 7 mm Radial clearance class C3 Mass 14,4 kg
PRODUCT PERFORMANCE C - Dynamic load 867 kN C0 - Static load 1010 kN Cu - Fatigue limit load 100 kN e - Coefficient 0.25 Y0 - Static axial load coefficient 2.68 Y1 - Lower axial load coefficient 2.74 Y2 - Upper axial load coefficient 4.08 N ref - Reference thermal speed 2500 tr/min N lim - Mechanical Limit Speed 3300 tr/min Tmin - Min operating temperature -40 °C Tmax - Max operating temperature 200 °C
ABUTMENT da min - Min shoulder diameter IR 154 mm Da max - Max shoulder diameter OR 236 mm ra max - Max shaft & housing fillet radius 2,5 mm
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