The Nordiska Kullager Aktiebolaget was formed in 1914. The expansion was very rapid and the company in the course of a few years advanced to the position of one of the most important industrial concerns in Gothenburg. The present works comprise complete establishments for the manufacture of ball bearings and balls, together with auxiliary plants and shops for hardening, repairs, experimental work, gasworks, laboratory, stores, etc. When fully employed the workers and staff number about 2,000. The head office is at Gothenburg. NKA Ball bearings: Journal and Thrust bearings, Double-row Journal bearings. The special type of ball bearings manufactured by the Nordiska Kullager Aktiebolaget has acquired a settled reputation for appropriate design, fine material and workmanship. A prominent feature of the bearings is the patented NKA ball cage which enables an unusually large number of balls to be introduced, and this circumstance naturally increases the carrying capacity of the bearing, as each ball will thus be exposed to less pressure. The NKA being a groove bearing gives it great power to absorb an axial strain as well, and this quality is greatly enhanced by the great number of balls. The axial strain which NKA ball bearings are capable of withstanding without ill effects may be computed to about 20 % of the radial carrying capacity. The NKA ball bearings, except for some special purposes, are made to conform to one principal design, and, considering the manifold uses for which they are adapted, this clearly demonstrates the efficiency of the principles applied in the design. General Ball bearings These roller bearings have been called disc bearings on account of the disc-shaped rollers, which give the bearings their special character. Each bearing consists of two grooved race rings like the ball bearings. The rollers, which have convex race surfaces and flat sides, are self-guiding. Owing to their form, the contact surface between the rollers and the grooves is larger than with balls of corresponding dimensions, and the carrying capacity of the bearing is as a result increased about 50 %. The friction is, practically speaking, no greater than in a ball bearing, because it is not necessary to Disc bearings Material and workmanship provide external means to guide the rollers as in other roller bearings. The service and reliability of both ball bearings and disc bearings 703 bearing against axial pressure Power transmissions, etc. Stocks, etc. NKA disc bearing Micro-photograph of a split NKA ball the balls and races. Great accuracy, which is possible only with the latest technical aids, is applied in the manufacture, and, in conjunction with efficient and close inspection and control, ensures the very highest class product. Other products of the company are selfaligning bearing housings, hangers, plummerblocks and other power transmission parts, cart and truck wheel naves, and balls. All standard types of bearings are supplied from stock by the works or representatives abroad. Plans and designs are furnished on request. 570 A roller of the NKA Disc Bearing might be imagined as cut from a spool "Radius" Kerosene (Paraffin) Wickless Cooking Stoves and "Radius" Blow Lamps for soldering and brazing purposes Principal Agents: Denmark: C. A. Johansson, 3, Arendalsg., Copenhagen France: Francis Vasseur, 142, Faubourg S:t Denis, Paris Palestine: W. Finan & Co., P. O. B. 587, Jaffa Argentine & Uruguay: AB. G. Biörklund, 363, Calle Australia: John Fennell & Co., Ltd, 204, Clarence New Zealand: Guthrie & Norton, Ltd, Security Build- British East India: G. Knowles, Ltd, 10, Strand India Import & Export Co., 71, Apollo Street K. S. Pardanani & Co., 1009, Napier Road P. O. B. U. S. 4. H. E. Richardson, 135, Front Street Romo 708, New York City Products General Grates Cleaning needles Wind shields Blow lamps »Radius» Kerosene (paraffin) wickless cooking stoves, roaring or silent burners, with fixed or detachable legs. Detachable stoves packed in tin boxes for sportsmen, travellers, pic-nics, etc. Blow lamps of new improved patented design for burning kerosene. The Radius company is one of the best known Swedish makers of oil-burning stoves. The firm was organized as late as 1913; but circumstances in connection with its formation make its range of experience the greatest, perhaps, of any. At its foundation the firm took into its service the trained workers previously employed by the oldest Swedish factory in the oil-stove line. The policy of the Radius company from the first to produce the best article that could be turned out- - has been most successful. Weak or unsuitable parts have been rejected from time to time, and new, improved designs substituted. The Radius stoves as well as the spare parts are marked with the firm's name and trade mark which makes it easy to ensure that the genuine article is supplied. A great advantage in the Radius stoves is that the grates, made of steel plate, have the part touching the flame of solid fire-resisting iron. Moreover, the grate is tinned to prevent rusting. The cleaning needle device supplied is the best on the market. The Radius company uses a mechanical holder that can be used for hundreds of wires. The wires are sold in packages at a trifling price compared with handles with fixed wires. Another notable feature in Radius stoves is the windshields. They are most useful appliances and protect the flame from gusts of cold air, while lighting the stove, thus facilitating that operation considerably. RADIUS Radius blow lamp Radius Blow lamps are of a new design, making them highly efficient and improving the appearance as well. The handle, for example, is of steel-wire coiled into convenient shape, which makes the lamp very handy to use. Its most distinctive feature is the new type of burner with spacious gas ducts less apt to choke up, and easy to clean out. The tests prove these burners to be very efficient; they burn uniformly at high and low pressure, gasify the oil well, and produce an even flame. The burner The old type The Radius patent The Radius windshield The cleaning needles Blow Lamps for Soldering and Brazing purposes, Kerosene (Paraffin) Principal Agents: Norway: A. F. Weisert, 3, Toldbodgaten, Christiania Germany: Otto Nissen, 1, Catharinenbrücke, Hamburg Great Britain and Colonies: W. A. Meyer, 75, Southwark Street, London, S. E. 1 Argentine and Uruguay: Tellander y Lundberg, Casilla de correo 1870, Buenos Ayres Soldering and Brazing Apparatus, such as blowlamps and soldering butts Rapid Heaters for oil engines Lamps and Burners for laboratories Kerosene (Paraffin) wickless Cooking-stoves "S VEA" Heating and Melting Stands Products Trade Marks for Blowlamps. Especially for Petroleum (Kerosene) lamps |