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M190-730 June 2005 - Blessedly Busy

MRC Bearing Services MRC Bearing Services Call Toll Free 1 (800) MRC-7000. Headquarters 1510 Gehman Road Kulpsville, PA 19443. USA. Engineering Handbook MRC is a registered trademark of SKF USA Inc. The contents of this publication are the copyright of the publisher and may not be reproduced (even extracts) unless prior written permission is granted. Every care has been taken to ensure the accuracy of the information contained in this publication but no liability can be accepted for any loss or damage whether direct, indirect or consequential arising out of use of the information contained herein. 2005 SKF USA Inc. Publication M190-730 ( 6/ 2005 ) Fifth Edition Version 6/ 2005 Printed in Engineering Handbook Table of Contents Page Section I Introduction MRC History.

Engineering Handbook 3 Section I Bearing Symbols Non-Standard Variants Section II Single-Row Deep Groove, Type S Single-Row Maximum Capacity, Filling Notch, Type M Self-Aligning Ball Bearings

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Transcription of M190-730 June 2005 - Blessedly Busy

1 MRC Bearing Services MRC Bearing Services Call Toll Free 1 (800) MRC-7000. Headquarters 1510 Gehman Road Kulpsville, PA 19443. USA. Engineering Handbook MRC is a registered trademark of SKF USA Inc. The contents of this publication are the copyright of the publisher and may not be reproduced (even extracts) unless prior written permission is granted. Every care has been taken to ensure the accuracy of the information contained in this publication but no liability can be accepted for any loss or damage whether direct, indirect or consequential arising out of use of the information contained herein. 2005 SKF USA Inc. Publication M190-730 ( 6/ 2005 ) Fifth Edition Version 6/ 2005 Printed in Engineering Handbook Table of Contents Page Section I Introduction MRC History.

2 6. Catalog and speed rating disclaimer.. 7. Warranty statement .. 7. Identification system .. 8. Bearing symbols .. 9. Identification of non-standard variants .. 26. Descriptive manufacturing suffixes .. 29. Telephone and fax numbers .. 31. Section II Bearing Specification Tables MRC Bearing Series .. 35. Bearing Types Summary Chart.. 36. Single-row deep groove, type S .. 41. Single-row deep groove cartridge type SFFC .. 51. Single-row deep groove, type S hybrid .. 54. Single-row maximum capacity, filling notch, type M .. 57. Self-aligning ball bearings .. 65. Double-row angular contact, 5000 series .. 83. Single-row 15 angular contact, type R .. 103. Single-row 15 angular contact, type XLS .. 114. Single-row 29 angular contact, 7000 series.

3 121. Single-row 40 angular contact, 7000 P series .. 135. Single-row 40 angular contact, 7000 PJ series .. 147. PumPac 8000, 8000 BB and 8000 AAB series .. 157. Single-row 29 angular contact, split ring, 9000 U series .. 167. Single-row 40 angular contact, split ring, 9000 UP series .. 171. Duplex 29 angular contact 97000 U series .. 177. Duplex 40 angular contact 97000UP series .. 180. Precision ABEC-5 and ABEC-7 bearings .. 187. Single-row 15 angular contact, type R .. 188. Single-row deep groove, type S, Woodworking Bearings .. 196. Ball screw support bearings .. 197. Excello bearings.. 199. Specialty bearings .. 203. Adapter type .. 204. Conveyor roll .. 205. Dynamometer .. 207. Electric motor quality / ABMA cross reference.

4 209. Felt seal replacement.. 224. Mast guide .. 228. Wide inner ring .. 231. 1. MRC Bearing Services Table of Contents Page Section III Engineering Data Duplex bearings .. 234. 97000 Series .. 237. ABEC tolerances.. 239. Shaft and housing fits .. 245. Internal radial clearance.. 270. Dynamic and static load ratings.. 271. Bearing life .. 272. Speed factors .. 273. Speed ratings .. 274. Materials and limitations .. 277. Lubrication .. 281. Vibration data .. 299. Snap ring data .. 321. Locknuts and lockwashers .. 325. Locknut torque and clamping force .. 328. Installation procedures .. 329. Shaft and housing shoulder diameters .. 336. Bearing weights .. 340. Millimeter-inch equivalents .. 342. Fraction-decimal equivalents.

5 344. Conversion factors .. 345. Useful formulae.. 348. Product index .. 371. Section IV Marathon Corrosion-Resistant Housings and Bearings .. 385. Section V Made-To-Order Program.. 389. 2. Engineering Handbook Section I Bearing Symbols Non-Standard Variants Section II Single-Row Deep Groove, Type S. Single-Row Maximum Capacity, Filling Notch, Type M. Self-Aligning Ball Bearings Double-Row Angular Contact, 5000 Series Single-Row 15 Angular Contact, Type R. Single-Row Angular Contact, 7000, 7000P and 7000PJ Series PumPac 8000, 8000BB and 8000 AAB Series Single-Row Angular Contact, Split Ring, 9000U, 9000UP, 97000U and 97000UP Series Precision ABEC-5 and ABEC-7 Bearings Specialty Bearings Section III Duplex Bearings ABEC Tolerances Shaft and Housing Fits Lubrication Vibration Data Section IV Marathon Corrosion-Resistant Housings and Bearings Section V Made-To-Order Program 3.

6 4. BEARING. INTRODUCTION ENGINEERING DATA MARATHON SERIES MADE-TO-ORDER. SPECIFICATION TABLES. Introduction Section I. Introduction Table of Contents Page MRC History .. 6. Catalog and speed rating disclaimer.. 7. Warranty statement .. 7. Identification system .. 8. Bearing symbols .. 9. Identification of non-standard variants .. 26. Descriptive manufacturing suffixes .. 29. Telephone and fax numbers .. 31. 5. MRC History MRC Bearing Services The Historical Perspective of MRC Bearing Services MRC Bearing Services is the outgrowth of three of manufacturing plants were consolidated at Plainville, America's oldest bearing companies Standard Connecticut. The following year, Gurney Ball Bearing Roller Bearing Company, Gurney Ball Bearing Company merged with Marlin Rockwell Corporation.

7 Company, and Strom Bearing Company. MRC purchased Strom Ball Bearing Manufacturing Corporation in 1925 and its assets were moved to The Standard Roller Bearing Company was formed Jamestown, New York, in 1931. when a Philadelphia industrialist, S. S. Eveland, merged the Ball Bearing Company of Boston with seven other The manufacturing experience, technical background, major ball bearing and ball-making equipment and managerial skills of these antecedent companies manufacturers. The company used the SRB Diamond provided Marlin Rockwell with a firm base out of which trademark. SRB made many contributions to the to develop and grow. In 1953, a new state-of-the-art advancement of anti-friction bearings; most notably, the plant was built at Falconer, New York, and an addition development of 52100 steel, a high carbon, high to the plant was completed in 1966.

8 The plant was chrome alloy steel that greatly improved bearing life. devoted to the manufacture of high-precision ball and roller bearings. In 1902, Frederick W. Gurney started the manufacture of ball bearing machinery in Jamestown, New York. In 1964, Marlin Rockwell Corporation was merged He originated the Gurney radial-thrust angular-contact with TRW, Incorporated, and renamed TRW Bearings bearing (today's 7000 Series) in 1905, and the Gurney Division in 1979. With the technological background radial-Type R bearing (same designation today) in and facilities of the parent company at its disposal, 1909. Gurney also developed duplex bearings a TRW Bearings Division entered a new period of growth. matched pair of counterbored bearings which were a A ball manufacturing plant was acquired in 1964 at major contribution to the accuracy of high speed Winstead, Connecticut.

9 In 1976, the Division built a new machine tool spindles. facility at Gainesville, Georgia, to specialize in high- volume bearing production. Stephen Snyder began manufacturing filling slot radial ball bearings in a small Chicago shop in 1908. His In 1986, the Bearing Division was acquired by the business was incorporated in 1909 as the Ball SKF Group, which is an international manufacturing and Bearing Manufacturing Company. Axel Strom became marketing organization composing approximately 200. sole owner and changed the name to Strom Ball companies with 85 factories, together operating in more Bearing Manufacturing Company. The company than 130 countries. SKF sales units are backed up by established itself as a major supplier of precision ball nearly 200 sales offices and over 10,000 distributors an bearings to the automotive and machinery industries.

10 Retailers. A major innovation by Strom was engineering service, provided to customers, to aid in proper choice of ball Shortly after the consolidation of major executive and bearings, their use, and guidance for mounting and management functions at the Jamestown, New York maintenance. facilities in the early 1930's, the need for a function within the organization to identify and meet the special Prior to World War I, Albert F. Rockwell, one of two needs of our bearing distributor customers was brothers who founded New Departure Company, recognized. To provide these services, the forerunner of formed the Rockwell-Drake Corporation to manufacture today's MRC Bearing Services was initiated. From the ball bearings in Plainville, Connecticut.