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Tapered roller bearing, pressed steel cage
The single row tapered roller bearing is available in metric dimensions (ISO 355 and JIS B 1512 standards) and in inches (ABMA standard, metric series including J). The single row in tapered roller bearing range, is the most widely used and is generally mounted in opposition.
Log in To add this product to your basket Documentation Product information PRODUCT DEFINITION Brand NTN d - Internal diameter 280 mm D - External diameter 420 mm B - Bearing/Inner ring width 87 mm C - Outer ring width 65 mm T - Total width 87 mm d1 - External diameter inner ring 351 mm a - Charge load application point 90,5 mm rs - Min fillet radius 5 mm r1s - Min fillet radius 4 mm Mass 41,8 kg ISO 355 reference T4FC280
PRODUCT PERFORMANCE C - Dynamic load 1220 kN C0 - Static load 2350 kN Cu - Fatigue limit load 197 kN A2 - Rating life coefficient 1 e - Coefficient 0.46 Y0 - Static axial load coefficient 0.72 Y2 - Upper axial load coefficient 1.31 N lim - Oil lubrication limit speed 980 tr/min N lim - Grease lubrication limit speed 740 tr/min Tmin - Min operating temperature -40 °C Tmax - Max operating temperature 120 °C
ABUTMENT da max - Max shoulder diameter IR 305 mm db min - Min IR shoulder diameter 302 mm Da min - Min shoulder diameter OR 370 mm Da max - Max shoulder diameter OR 402 mm Db min - Min OR shoulder diameter 402 mm Ca - Min clearance 14 mm Cb - Min clearance 22 mm ra max - Max fillet radius 4 mm r1a - Max fillet radius 3 mm
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