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Miniature moulded chain drives in non-magnetic black acetal

06 August 2010

The A 6M 7M12 series ultra miniature inch and metric 3.117 mm pitch moulded chain drives from Stock Drive Products are made of pre-lubricated, non-magnetic black acetal, and are suitable for operation over a wide range of temperatures from -40°C to +121°C. The chain features a unit-link design that eliminates the need for a master link. Each unit-link measures 2.08mm high and 4.12mm wide. A length of 321 links snapped together will equal one metre and a length of five metres of chain weighs only 0.031kg. Chain operating speeds of up to 5.1m/s, around smaller eight-tooth sprockets, and maximum operating loads of up to 0.9kg. of tension are recommended.

The A 6M 7M12 sprockets are stocked in 14 sizes from 8 through 48 teeth. Three bore sizes are stocked for press fitting the sprockets to 3, 4, and 6 mm shafts. Sprockets that have 24 or more teeth are molded with a spoked configuration. Outer diameters range from 9.4mm (.371in) to 49.3mm (1.939in) and pitch diameters from 8.1mm (.318in) to 47.4mm (1.865in). The A 6M 7M12 series is available for immediate delivery from SDP stock.

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