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Super Precision Thin Section Instrument Ball Bearings 1 130 ISO 9001 Registered AS9000 Certified D1 9000 AQS Certified A TIMKEN COMPANY SUBSIDIARY Timken Super Precision Timken Super Precision Thin Section Ball Bearings for Aerospace Instrument Applications From 625 to 12 OD All ABEC Classes T imken Super Precision leads the industry in the development and widespread acceptance of standard and special thin section high precision ball bearings Thin section bearings with their large complements of small diameter balls provide greater stiffness and lower torque while permitting a significant reduction in weight and space when compared to standard section bearings These advantages have found wide acceptance in many critical applications including ordinance and aerospace guidance systems large diameter encoders and radar support systems Bearings of Angular Contact Conrad or Timken Super Precision s proprietary Fractured Outer Race construction are produced in sizes up to 12 in diameter Rings and balls are made from premium quality 440C stainless steel 52100 or other selected alloys Metallic one piece phenolic or multiple element Teflon spacers are available as well as a variety of shield or seal configurations to optimize performance for any specific application Quality control traceability and specialized metrology play a key role in assuring customer satisfaction and long term reliability of these products Torque testing and preload monitoring under customer specified operating conditions provide the greatest level of confidence in the successful performance of the ball bearings in their final application This catalog covers the full range of Torque Tubebearings which with the extended inner ring are interchangeable with standard A 500 series bearings The Thin Sectionbearings with cross sections of 1 8 3 6 1 4 and 5 16 and a OD up 4 5 are covered in the main section of this catalog Larger bearings up to 12 OD are shown on pages 26 33 All engineering data may be consistently applied Table of Contents Selector Guide Introduction 2 Part Numbering 3 Design Configurations Conrad Assembly Torque Tube 4 Conrad Assembly Thin Section 5 Angular Contact Torque Tube 6 Angular Contact Thin Section 7 Fractured Race Torque Tube 8 Fractured Race Thin Section 9 Configuration Availability 10 Special Designs 12 Engineering Data Materials 14 Retainers 15 Shields and Seals 16 Radial Play End Play and Contact Angle 17 Tolerances 18 Lubrication 20 Coding for Shaft and Housing Fits 22 Loading Rates 23 Preload Deflection Torque 24 Large Thin Section Bearings SBB Introduction 26 SBB Part Numbering 27 Conrad Assembly 28 Angular Contact 30 Fractured Race Commercial Series 32 Inch to Metric Conversion 34 Bearing Types Conrad Assembly Angular Contact Fracture Race General purpose choice for average speed and multi directional moderate load applications Limited retainers offered with option of removable seals and shields Highest thrust capacity for uni directional loads Preload required to develop radial capacity Well constructed for preloaded pairs in gimbal or spin positions Full range of retainer types available Fractured race construction allows greater multi directional loads and speeds than Conrad type Suggested full ball complement or one piece retainer design for higher radial loads will accommodate thrust or moment loads with special outer race fits Complete retainer selection available 1 8 to 3 4 Standard Cross Sections Special Design Configurations T imken Super Precision produces a wide range of bearing products serving the aircraft aerospace computer dental medical and numerous other industries For more information on our products consult your Timken Super Precision Sales Engineer or contact Inside Sales Timken Super Precision P O Box 547 Keene New Hampshire 03431 Tel 603 352 0310 Visit us at www timken com superprecision Specializing in solving unique application problems Manufacturing a full range of standard instrument bearings Producing special miniature bearings as small as 059 OD Excelling in producing precision rotating assemblies WORLDWIDE LEADER IN BEARINGS AND STEEL Timken is a registered trademark of The Timken Company www timken com 2002 The Timken Company Printed in the USA 1M 07 02 Order No 5911 Manufacturing Divisions Timken Super Precision Keene NH Standard and special precision miniature and instrument bearings 059 to 1 5 OD thin section bearings 625 to 6 0 OD air frame bearings computer disk spindles and precision gimballed and rotary assemblies Tel 603 352 0310 Fax 603 355 4553 E Mail mpbbox timken com Internet http www timken com superprecision Timken Aerospace Lebanon NH Standard and special high precision ball and roller bearings and integral assemblies to 24 OD Tel 603 448 3000 Fax 603 443 5202 Timken Aerospace Services Lebanon NH FAA JAA approved center for remanufacturing of aircraft bearings Tel 603 448 3000 Fax 603 443 8910 Handpiece Headquarters Orange CA Repair and overhaul of dental handpieces and distribution of handpiece replacement parts Tel 800 557 7867 714 685 3070 Fax 714 921 1852 E Mail handpiece timken com Internet http www handpieceheadquarters com Timken Aerospace Super Precision Bearings Europa BV Medemblik The Netherlands Assembly of precision miniature and instrument bearings and precision bearing products Tel 31 0 227 542344 Fax 31 0 227 544552 Timken Aerospace Super Precision Bearings UK Wolverhampton England Standard and special precision ball and roller bearings for aerospace mainshaft gearbox and transmission applications to 18 5 OD Tel 44 0 1902 773300 Fax 44 0 1902 771448 Timken Aerospace Super Precision Bearings Singapore PTE Ltd Kallang Singapore Assembly of precision miniature and instrument bearings and precision bearing products Timken Aerospace Super Precision Bearings serves both OEM and aftermarkets throughout the world Tel 65 6841 4380 Fax 65 6841 4485 International Sales Offices EUROPE AFRICA Timken Aerospace Super Precision Bearings Europa BV Overleek 9 1671GD Medemblik P O Box 27 1670AA Medemblik The Netherlands Tel 31 0 227 542344 Fax 31 0 227 544552 FRANCE Timken Aerospace Super Precision Bearings Europa BV Succersale France Bureau A101 14 Bis rue de Mal Foch 77780 Bourron Marlotte Tel 33 0 1 64459880 Fax 33 0 1 64459830 GERMANY AUSTRIA SWITZERLAND Timken Aerospace Super Precision Bearings Europa BV Beratungs und verkaufsniederlassung Obertorstrasse 3 D 97737 Gemunden am Main Germany Tel 49 0 9351 3013 Fax 49 0 2 5466163 ISRAEL Avnet Components Israel Ltd Avnet Building P O Box 48 South Drorim Commerce Center Tel Mond 406000 Israel Tel 972 9 7966999 Fax 972 3 7691115 ITALY GIMAR di D F e M Giordano via Busoni 7a 20137 Milano Italy Tel 39 0 2 5516918 5512004 Fax 39 0 2 5466163 SCANDINAVIA Svensson Svensson Ingenjorsfirma AB P O Box 141 S 691 23 Karlskoga Sweden Tel 46 0 586 371 50 Fax 46 0 586 379 80 SINGAPORE Timken Aerospace Super Precision Bearings Singapore PTE Ltd Block 1 Kallang Sector 06 04 Singapore 349276 Tel 65 6841 4380 Fax 65 6841 4485 UNITED KINGDOM Timken Aerospace Super Precision Bearings UK P O Box 667 Upper Villers Street Wolverhampton West Midlands WV2 4UH England Tel 44 0 1902 773300 Fax 44 0 1902 771448 Ideas in Motion
