Electrical Motor

Roller Bearing and Insulated Bearing: Alternatively motors with insulated bearing on NDE side can be offered from frame size 132S & above on request at extra price. Motors can also be offered with cylindrical roller bearing (NU) on DE side for frame sizes 132S and above at extra price.

Grease: Sealed for life bearing (2Z) are filled with grease Unirex N3-of ESSO. Others are filled with LGMT3 of SKF make. Special high temperature grease can be provided on request. On line Re-Greasing On line re-greasing arrangement is provided in frame sizes 225S and above. For frame size 180M, 180L and 200L it can be provided on request.

Rotor: Entire range of motors is fitted with dynamically balanced aluminum pressure die cast squirrel cage rotors.

Shaft: All motors are provided with single shaft extension in accordance with IS : 1231. The Shaft material is C40 (EN8) Steel. However any special shaft extension and / or special shaft material e.g. EN24 or stainless steel grades are also provided on request.

Balancing & Vibration: Rotors are dynamically balanced with a half key in the shaft extension. Vibration grade is ''''reduced grade'''' conforming to IS:12075. Other grades as per IS 12075 or IEC 60034-14 can be provided on request.

Noise Level: Motors are designed for noise level well below the limits specified in IS: 12065

Paint: All motors are painted with acrylic paint in Blue colour, RAL shade No. 5000. Motors used in corrosive atmosphere arepainted with Epoxy base paint. Any other shade or material (e.g. polyurethane paint) can be offered on request.

Packing: Motors up to 132M frame are packed in thermacol / corrugated boxes. Wooden packing boxes are provided for higher frame size. Export worthy packing is also available on request.

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