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Timken được thành lập vào năm 1899, có trụ sở chính tại Mỹ và có thị trường trên 20 quốc gia. Timken có văn phòng đại diện tại thị trường Việt Nam năm 2010. Timken nổi tiếng bởi các dòng sản phẩm và dịch vụ như: Vòng bi: bi côn, bi đũa, bi cầu... Hệ thống truyền động : Bánh răng, xích tải, vít tải, gối đỡ vòng bi... Các sản phẩm phụ: phớt dầu, mỡ bôi trơn Các dịch vụ như : Dịch vụ hỗ trợ và sửa chữa, bảo trì sản phẩm.
Timken Super Precision Bearings for Machine Tool Applications ® INDEX A ENGINEERING Bearing Selection Process 13 Determination of Applied Loads and Bearing Analysis 36 Bearing Reactions, Load Ratings and Life 42 Permissible Operating Speed 53 Lubrication 56 Run-In Procedures 61 Heat Generation and Dissipation 64 Tolerances 67 Fitting Practices 80 Shaft and Housing Considerations 88 Mounting Designs 92 Setting and Preloading Guidelines 101 B PRECISION TAPERED ROLLER BEARINGS Part Numbering Systems Introduction TS Style – Metric, Inch TSF Style – Metric, Inch TXR Style – Metric, Inch 107 110 112 116 120 TSHR Style – Metric, Inch 122 C SUPER PRECISION BALL BEARINGS Introduction 134 Optimized Grades of Precision Bearing Types Applications Spindle Bearings Ball Screw Support Bearings Ex-Cell-O Spindle Bearings APPENDIX Frequency Coefficients 218 Tapered Roller Bearings Ball Bearings Ball Screw Support Series Precision Tag Deviation and Runout Charts Geometry Factors Radial Internal Clearance Bearing Locknuts Locknut Torque Lubrication Specifications Operating Temperatures for Bearing Component Materials Conversion Tables Forms 218 222 236 237 239 241 242 242 243 245 246 247 TIMKEN PRODUCTS CATALOG 2 • • • D 134 134 137 142 200 214 TIMKEN MACHINE TOOL CATALOG TIMKEN WHERE YOU TURN The world turns to Timken for innovation to move ahead of the competition Our contributions to advancing work and living standards – through innovations surrounding friction management and power transmission – are invaluable We have played a role in virtually all major technologies that have shaped our age, from automobile travel to artificial hearts You’ll find our products wherever you turn – on land, sea and in space When customers turn to us, they are turning to a worldwide team of highly trained and experienced associates Because of our ability to help their products perform better, customers honor us with more than 300 awards each year Whether it is a wheel assembly for a family vehicle, bearings for a roller coaster, repair services for rail bearings or steel for an aircraft engine shaft, we supply the products and services that help keep the world turning FRICTION MANAGEMENT SOLUTIONS – A TOTAL SYSTEM APPROACH As needs change and advanced motion control systems evolve, Timken is leveraging its knowledge of friction management to offer a broader array of bearings, related products and integrated services to the marketplace We supply quality products and services that extend beyond bearings to help all systems run smoothly We are committed to providing a wide array of friction management solutions Customers can benefit by having Timken, a trusted name for more than 100 years, evaluate entire systems, not just individual components This approach provides cost-effective solutions, while also helping to achieve application-specific objectives 2 TIMKEN MACHINE TOOL CATALOG Introduction TECHNOLOGY THAT MOVES YOU Today, major industries turn to Timken for our ability to influence the fundamentals of motion through the creation, transfer, and control of power We invest in people, attracting scholars, engineers and specialists from around the world We invest in tools – computers, manufacturing equipment and state-of-the-art laboratories We invest in the future by identifying new concepts that will help Timken and its customers make their mark for years to come Innovation is one of our core values The return on our technology investment has grown exponentially Our associates increase the reliability of Timken® products and create designs that can set new performance standards We help customers solve their immediate system issues, while developing the systems of tomorrow Our teams of engineers and scientists are dedicated to using everything they know about friction management and power transmission They translate the scientific aspects of metallurgy, bearing operating characteristics, lubrication, torque, noise, heat treatment, advanced processing concepts and application development into friction management solutions Because our teams are located at technology centers in North America, Europe and Asia – as well as in our manufacturing facilities and field offices on six continents – customers have access to ideas and resources to transform concepts into reality Our technology focuses on products, materials, processes and emerging technology to create new solutions TIMKEN MACHINE TOOL CATALOG TIMKEN MACHINE TOOL CATALOG BRANDS YOU CAN TRUST BR Tim Timken has built a strong tradition of quality, technology and innovation A long list of customer te certifi cations provides solid evidence that our c products have earned customer trust As our p founder, Henry Timken, said, “Don’t set your f name to anything you will ever have cause to be n ashamed of.” a From design to distribution, Timken gives Fr customers expanded options and the security of cu knowing know that each box contains an industry-trusted product produ ABOUT THE TIMKEN COMPANY The Timken Compa Company is a diversified industrial manufacturer of innovative, highly engineered materials, products and power transmission systems system Timken's proprietary technologies reduce friction and enable machinery to operate more efficiently, powerfully and reliably, using less energy With operations throughout the world, the company serves a wide range of mobile, industrial and aerospace customers Timken has technical centers in North America, Europe and Asia and more than 100 years of engineering experience Recognized by Forbes magazine in 2009 as one of the “100 Most Trustworthy Companies in America,” Timken has been listed on the New York Stock Exchange since 1922 2 TIMKEN MACHINE TOOL CATALOG Introduction TIMKEN MACHINE TOOL SOLUTIONS When it comes to improving machine tool performance, Timken leads the industry with an unmatched offering of friction management solutions Our roller bearings and related products and services set the standard in high-speed spindles, ball screws, rotary tables and other demanding applications This wide variety means that we can offer the right bearing for almost any machine position Backed by global Timken innovation and a long machine tool heritage, we focus on enhancing customer performance and productivity through our product technology and application experience With renowned Timken quality and a commitment to precision that exceeds industry standards, we continue to develop bearings that support the drive for higher speeds, maximum resolution, accuracy and repeatability Longer bearing service life translates to more machine uptime and production throughput PRODUCT BREADTH Timken offers a broad range of rolling bearings g and related products and services to meet worldwide machine achine tool needs Our portfolio includes specialized tapered ed roller and ball bearings, produced to the precision classes sses that deliver the operating characteristics necessary ry for the highest performance Timken® bearings meet or exceed application needs for rotational accuracy, consistency and rigidity Our total friction management approach also includes lubrication, condition monitors and other products “around the bearing.” Timken® tapered roller bearing types available in precision classes include the single-row TS and TSF styles, as well as the variablepreload Hydra-Rib™ bearing, the high-speed TSMA bearing and the compact TXR crossed roller bearing Timken® precision tapered roller bearings range from less than 20.000 mm (0.7874 in.) bore to more than 2000.000 mm (78.7402 in.) outside diameter, depending upon bearing type Timken® Fafnir® angular contact ball bearings are manufactured to ABEC (ISO P4) and ABEC (ISO P2) precision classes They are available in 15 degree and 25 degree contact angles, as well as custom configurations Different ring designs (WI, WO, WN and K) meet specific application requirements with either steel or ceramic balls The HX and sealed HXVV bearings deliver high-speed benefits with unique ball complements and raceway geometries Sizes range from 10.000 mm (0.3937 in.) bore to 400.000 mm (15.7480 in.) outside diameter Ball screw support bearings with steep contact angles, available singly, or in housed units, provide high levels of stiffness for the demands of servo-controlled machinery Sealed double-row flanged g (or ( cartridge) units simplify inst installation TIMKEN MACHINE TOOL CATALOG TIMKEN MACHINE TOOL CATALOG The Quick Change Program can perform cost-effective modifications and minor rework procedures to your machine tool bearings to extend operational and application flexibility Engineered Surfaces improve wear and fatigue resistance for bearings and other components through a variety of applied treatments and finishes Condition Monitoring Products and Services are available in an expanding offering that enables you to stay on top of machine performance, and quickly detect potential problems As a Timken customer, you receive an uncompromising standard of quality across the broadest range of bearings and related products Brands like Timken and Fafnir reflect an extensive line of tapered, spherical, cylindrical, ball bearings and mounted units ideal for virtually every machine tool and industrial application Our core products are complemented by an ever-growing line of friction management solutions including lubricants, single-point lubricators, maintenance tools, safety equipment, condition monitoring systems and repair services that help keep operations running smoothly Ultra-High Speed Spindle Grease, part of Timken’s broad lubricant line, is specifically designed for the precision and high-speed bearings typically used in machine tools TIMKEN MACHINE TOOL CATALOG Introduction ABOUT THIS CATALOG Timken offers an extensive range of bearings and accessories in both imperial and metric sizes For your convenience, size ranges are indicated both in millimeters and inches Contact your Timken sales representative to learn more about our complete line for the special needs of your application USING THIS CATALOG We are committed to providing our customers with maximum service and quality This catalog contains dimensions, tolerances and load ratings, as well as an engineering section describing fitting practices for shafts and housings, internal clearances, materials, and other bearing features It can provide valuable assistance in the initial consideration of the type and characteristics of the bearing that may best suit your particular needs CATALOG FEATURES Dimension and load rating data within the various types and styles of bearings is organized by size ISO, DIN, and ABMA, as used in this catalog, refer to the International Organization for Standardization, Deutsches Institut für Normung EV and the American Bearing Manufacturers Association SPECIAL APPLICATIONS Some products, such as for aerospace applications, are made to special standards, and only the original equipment manufacturer can determine if a particular bearing is suitable for use in their equipment NOTE Product performance is affected by many factors beyond the control of Timken Therefore, the suitability and feasibility of all designs and product selection should be validated by you This catalog is provided solely to give you, a customer of Timken or its parent or affiliates, analysis tools and data to assist you in your design No warranty, expressed or implied, including any warranty of merchantability or fitness for a particular purpose, is made by Timken Timken products are sold subject to a Limited Warranty TIMKEN MACHINE TOOL CATALOG TIMKEN MACHINE TOOL CATALOG P PURCHASER’S EXCLUSIVE REMEDY/ SELLER’S EXPRESS LIMIT OF LIABILITY LIMITED WARRANTY We warrant for a period of one year (unless a shorter period applies to a particular product) from the date of shipment that our products shall be free of defects in material and workmanship, as shall be determined by our manufacturing standards, and shall conform to the description on the face of our quotation or this acknowledgment THE WARRANTY DESCRIBED HEREIN SHALL BE IN LIEU OF ANY OTHER WARRANTY, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO ANY IMPLIED WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE The terms contained herein constitute the entire agreement of the parties and the warranty representations of the seller There are no other representations, warranties, or guarantees applicable to the sale of our products unless otherwise expressly agreed to by us in writing Purchaser’s exclusive remedy for any warranty claim, or for any claim arising out of the purchase or use of our products, shall be the replacement of said products We will replace our products, without charge to the purchaser, f.o.b our point of shipment We will not be liable for any consequential, incidental, or other damages sustained by purchaser, including but not limited to, loss of profits or in revenue, loss of use of product, cost of capital, cost rev substituted product, facilities, services, or claims of of sub purchaser’s customers for any damages Any warranty purchas must be made within one year of the claim of purchaser pu shipment of the product This exclusive remedy applies date of shipmen regardless of the nature of purchaser’s claim, whether in contract, tort, express or implied warranty, negligence or strict liability, upon which damages are claimed and regardless of whether the same is due to our negligence or any defect in our product TERMS AND CONDITIONS OF SALE All products described in this catalog are sold subject to Timken’s Terms and Conditions of Sale It is understood that the buyer, in selecting and ordering from this catalog, which supersedes all previous editions, accepts all Terms and Conditions of Sale, a copy of which may be obtained from your Timken sales office Timken objects to any additional or different terms WARNING Failure to observe the following warnings could create a risk of serious injury Proper maintenance and handling practices are critical Always follow installation instructions and maintain proper lubrication Never spin a bearing with compressed air The rolling elements may be forcefully expelled NOTE Every reasonable effort has been made to ensure the accuracy of the information contained in this catalog, but no liability is accepted for errors, omissions or for any other reason TIMKEN MACHINE TOOL CATALOG Introduction SHELF LIFE AND STORAGE OF GREASE-LUBRICATED BEARINGS AND COMPONENTS Timken guidelines for the shelf life of grease-lubricated rolling bearings, components and assemblies are set forth below Shelf life information is based on test data and experience Shelf life should be distinguished from lubricated bearing/component service life as follows: SHELF LIFE Shelf life of the grease-lubricated bearing/component represents the period of time prior to use or installation The shelf life is a portion of the anticipated aggregate service life It is impossible to accurately predict service life due to variations in lubricant bleed rates, oil migration, operating conditions, installation conditions, temperature, humidity and extended storage Timken cannot anticipate the performance of the grease lubricant after the bearing or component is installed or placed in service The bearing shelf life is related primarily to the lubricant’s ability to maintain the bearing’s original manufactured radial internal clearance and freedom to rotate The component shelf life is related to the ability of the component to function as originally intended Shelf life values, available from Timken, represent a maximum limit and assume adherence to the Timken suggested storage and handling guidelines Deviations from Timken’s storage and handling guidelines may reduce shelf life Any specification or operating practice that defines a shorter shelf life should be used STORAGE Timken suggests the following storage guidelines for its finished products (bearings, components, and assemblies, hereinafter referred to as “Products”): • Unless directed otherwise by Timken, Products should be kept in their original packaging until they are ready to be placed into service • Do not remove or alter any labels or stencil markings on the packaging • Products should be stored in such a way that the packaging is not pierced, crushed or otherwise damaged • After a Product is removed from its packaging, it should be placed into service as soon as possible • When removing a Product that is not individually packaged from a bulk pack container, the container should be resealed immediately after the Product is removed • Do not use Product that has exceeded its shelf life as defined in Timken’s shelf life guidelines statement • The storage area temperature should be maintained between 0º C (32º F) and 40º C (104º F); temperature fluctuations should be minimized • • The relative humidity should be maintained below 60 percent • • The storage area should be isolated from undue vibration The storage area should be kept free from airborne contaminants such as, but not limited to: dust, dirt, harmful vapors, etc Extreme conditions of any kind should be avoided TIMKEN DISCLAIMS RESPONSIBILITY FOR THE SHELF LIFE OF ANY BEARING/COMPONENT LUBRICATED BY ANOTHER PARTY TIMKEN MACHINE TOOL CATALOG SUPER PRECISION LUBRICATION SPECIFICATIONS – continued Lubrication flow Example of lubrication inlet location and direction of lubrication flow Bore No D 9300HX 9100 9100HX 99100 200 300 mm in mm in mm in mm in mm in mm in mm in — 15.037 15.977 — — 17.653 — — 0.592 0.6290 — — 0.6950 — — 17.043 18.288 — — 19.456 21.641 — 0.6710 0.7200 — — 0.7660 0.8520 19.910 20.391 21.565 — — 22.479 25.705 0.7839 0.8028 0.8490 — — 0.8850 21.920 22.377 23.927 — 23.800 27.991 27.711 0.8629 0.8810 0.9420 — 0.9370 1.1020 1.0910 26.563 27.254 28.448 28.296 28.143 30.201 31.313 1.0730 1.1200 1.1140 1.1080 1.1890 1.2328 30.716 32.233 33.325 33.172 33.147 35.408 38.705 1.2093 1.2690 1.3120 1.3060 1.3050 1.3940 1.5238 36.558 37.246 39.853 39.345 40.526 42.189 45.486 1.4393 1.4660 1.5690 1.5490 1.5955 1.6610 1.7908 42.743 43.599 45.314 45.339 46.177 49.047 51.722 1.6828 1.7165 1.7840 1.7850 1.8180 1.9310 2.0363 48.420 48.763 50.681 50.825 52.413 54.915 58.592 1.9063 1.9198 1.9953 2.0010 2.0635 2.1620 2.3043 51.582 54.267 56.510 56.185 57.137 59.920 65.451 2.0308 2.1365 2.2248 2.2120 2.2495 2.3590 2.5768 58.415 58.783 61.514 61.163 62.141 64.897 72.321 2.2998 2.3143 2.4218 2.4080 2.4465 2.5550 2.8473 11 64.562 64.981 68.372 69.342 69.300 71.780 79.179 2.5418 2.5583 2.6918 2.7300 2.7283 2.8260 3.1173 12 69.553 70.010 73.376 74.320 74.315 78.638 85.974 2.7383 2.7563 2.8888 2.9260 2.9258 3.0960 3.3848 10 13 14 74.582 75.001 78.379 79.019 79.294 85.827 92.895 2.9363 2.9528 3.0858 3.1110 3.1218 3.3790 3.6573 81.453 81.496 85.237 86.182 86.444 90.530 99.741 3.2068 3.2085 3.3558 3.3930 3.4033 3.5640 3.9268 Table 27 Lubrication inlet location diameters 244 TIMKEN MACHINE TOOL CATALOG Bore No 15 16 17 1.0120 1.0458 A 9300 18 19 20 21 22 24 26 28 30 32 34 40 9300 9300HX 9100 9100HX 99100 200 300 mm in mm in mm in mm in mm in mm in mm in 86.444 86.939 97.112 91.186 92.489 95.529 — 3.4033 3.4228 3.8233 3.5900 3.6413 3.7610 — 91.422 91.930 102.324 98.069 98.577 102.387 — 3.5993 3.6193 4.0285 3.8610 3.8810 4.0310 — 98.623 99.162 102.324 — 103.805 109.245 — 3.8828 3.9040 4.0285 — 4.0868 4.3010 — 103.335 103.894 108.966 110.617 110.371 116.078 — 4.0683 4.0903 4.2900 4.3550 4.3453 4.5700 — — 108.351 113.970 — 115.324 122.961 — — 4.2658 4.4870 — 4.5403 4.8410 — — 116.383 119.723 120.523 121.445 129.845 — — 4.5820 4.7135 4.7450 4.7813 5.1120 — — — 124.866 — 134.640 137.312 — — — 4.9610 — 5.3008 5.4060 — — 125.882 132.994 135.509 144.648 143.612 — — 4.9560 5.2360 5.3350 5.6948 5.6540 — — 138.298 143.066 144.983 — 155.423 — — 5.4448 5.6325 5.7080 — 6.1190 — — — 156.743 — 160.553 162.179 — — — 6.1710 — 6.3210 6.3850 — 157.442 160.256 167.005 — — — — 6.1985 6.3093 6.5750 — — — — — 1173.87 178.613 — — 198.526 — — 6.8453 7.0320 — — 7.8160 — — — 190.500 — — — — — — 7.5000 — — — — — — 199.746 — — — — — — 7.8640 — — — — — — 241.681 — — — — — — 9.5150 — — — — Appendix OPERATING TEMPERATURES FOR BEARING COMPONENT MATERIALS These tables provide standard operating temperatures for common bearing component materials They should be used for reference purposes only Other bearing component materials are available on request Contact your Timken representative for further information Material Approximate Chemical Analysis % Temp ˚F Hardness HRC -73˚ C -100˚ F -54˚ C -65˚ F -17˚ C 0˚ F 38˚ C 100˚ F 93˚ C 200˚ F 121˚ C 250˚ F 149˚ C 300˚ F 204˚ C 400˚ F Low alloy carbonchromium bearing steels 52100 and others per ASTM A295 1C 0.5–1.5Cr 0.35Mn 70 60 Low alloy carbonchromium bearing steels 52100 and others per ASTM A295 1C 0.5–1.5Cr 0.35Mn 70 350 450 58 56 54 Heat stabilized per FS136 When given a stabilizing heat treatment, A295 steel is suitable for many applications in the 177˚-232˚ C (350-450° F) range; however, it is not as stable dimensionally as it is at temperatures below 177˚ C (350˚)F If utmost stability is required, use materials in the 316˚ C (600˚ F) group below Deep hardening steels for heavy sections per ASTM A485 1C 1–1.8Cr 1–1.5Mn 06Si 70 450 600 58 55 52 As heat-treated and tempered, it is stabilized Carburizing steels per ASTM A534 a) low alloy 4118, 8X19, 5019, 8620 (Ni-Moly grades) b) high nickel 3311 Ni-Moly: 0.2C, 0.4-2.0Mn, 0.3-0.8Cr, 0-2.0Ni, 0-0.3Mo 70 58 260˚ C 500˚F 316˚ C 600˚ F 371˚ C 700˚ F 427˚ C 800˚ F STANDARD DIMENSIONAL STABILIZATION