supply of helical inline gear motor to the model no. sk 42 - 132mp/4 tf of make m/s nord , helical inline gear motor to the model no. sk 42 - 132mp/4 tf of make m/s nord or substant ially equivalent with following features: input speed(rpm): 1460; output speed(rpm): 97; gear ratio: 15.12 ; power (kw): 7.5; service factor: 1.7; output torque: 741 nm; overhung load: 4.2 kn; axial load: 7.3 kn; motor inverter speed range: standard line powered inverter capable; voltage: 400/690 v; frequency: 50 hz; efficiency class: ie3; current 1: 15.7 a; current 2: 9.1 a; cosinus: 0.77; motor duty: s1 - continuous; en closure: ip55; insulation class - f; mounting pos - m1; housing material: cast iron housing; type of housing: foot mount; output shaft: solid keyed shaft; output shaft (dia x length): 45x90 mm; output shaft material : standard; gearbox breather options: auto vent; gearbox sealing options: fkm seals; bearing design: sta ndard bearings; motor cooling: tefc - totally enclosed fan cooled; motor thermal protection: thermistor; motor option: fluoro rubber motor seals. height of output shaft center from bottom of base plate: 175 mm ; mounting base plate details: minimum plate thickness: 25 mm; 04 holes of 13 mm dia each with square p attern; distance between holes along the shaft: 120 mm; distance between holes perpendicular to shaft: 1 75 mm; note: - i. material of construction: fabricated steel housing (stress relieved) ii. all gears shall be m anufactured from steel forgings or rolled bar made from steel 17cr ni mo6/18cr ni mo6 (case hardening s teel). iii. all gears shall be case hardened to 58-62 hrc and profile ground. iv. output shaft shall be of en 9 material normalized to 201 bhn (min) v. bearing used shall be rolling element type of make skf/ntn/timk en/fag only. special conditions: a) only authorised license manufacturers of gear boxes or their authorised dealers shall participate in the tender and must furnish an authorized license or dealer certificate at the ti me of technical scrutiny. b) mtc and heat treatment shall be submitted along with the supply. c)warranty: the material shall have a warranty of 12 months from the date of installation or 18 months from the date o f supply, whichever is earlier d)above specified materials are the minimum required standard to be conside red while designing the gear motor. [ warranty period: 18 months after the date of delivery ] ]