NNTR55X140X70-2ZL Yoke type track roller , Support rollers, with flange rings, with an inner ring
NNTR55X140X70-2ZL Yoke type track roller, Support rollers, with flange rings and an inner ring detail Specifications:
Material : 52100 Chrome Steel
Series : Support rollers, with flange rings, with an inner ring
Construction : Double Row, full complement roller
Seal Type : 2ZL , Sealing shields on both sides
Speed (with continuous operation and grease lubrication) : 850 rpm
Weight : 6.29 kg
Main Dimensions:
Bore diameter (d) : 55 mm
Outside diameter (D) : 140 mm
Width inner ring (B) : 70 mm
Width outer ring(C) : 68 mm
Mounting dimension (D1) : 91 mm
Outside diameter flange ring (d2) : 73 mm
Diameter lubrication hole (d3) : 4 mm
Radius of outer ring outside profile (R) : 10000 mm
Chamfer dimension flange ring bore (r1) min. : 2.0 mm
Chamfer dimension outer ring (r) min. : 3.0 mm
Dynamic load ratings ,radial (Crw) : 218.00 KN
Static load ratings , radial (Corw) : 315.00 KN
Permissible dynamic load outer ring, radial (Fr per) : 280 KN
Permissible static load, radial (F0r per) : 315 KN
Fatigue limit load (Curw) : 44.50 KN
