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Installation Manual
8, 10, 12, 14-Inch Bore
®
Sheave Pac
Bearing Assembly
This procedure is to be viewed as a form of general suggestion and as a means of
communicating concerns about potential installation issues only. It is not to be viewed as a
declaration of installation methods to be followed. Because these instructions are merely
suggestions, they may or may not be altered as the customer and/or installer sees fit.
Therefore, it is the responsibility of the customer to ensure careful and accurate assembly
handling and installation. Any and all damage incurred as a result of the handling and
installation procedure shall void all bearing component warranty.
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Summary of Contents for Timken Sheave Pac NP954426-902A1
- Page 1 Installation Manual 8, 10, 12, 14-Inch Bore ® Sheave Pac Bearing Assembly This procedure is to be viewed as a form of general suggestion and as a means of communicating concerns about potential installation issues only. It is not to be viewed as a declaration of installation methods to be followed.
- Page 2 BEARING ASSEMBLY CHARACTERISTICS Assembly P/N: NP954426-902A1 NP932743- 902A1 NP101986- 902A1 NP195121- 902A1 Assembly Bore: 8 in. 10 in. 12 in. 14 in. Bearing K- Factor: 1.83 1.76 1.63 1.90 Seal O.D. Under 10.358 in. 13.154 in. 14.967 in. 16.957 in. Snap Ring Assembly Bench 0.015 in.
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Page 3: Initial Lubrication
• The preferred method of overcoming the tight fit between unitized at a Timken manufacturing facility. Accordingly, one of the the bearing outer diameter and the sheave inner diameter is unique features of the assembly is its maintenance free, self-contained with press force and appropriate tooling. - Page 4 Step 2 *NOTE: 8” Assembly: Maximum Fixture Dimension Must Not Exceed 9.25”. With the sheave resting with the bore axis in the vertical direction, 10” Assembly: Maximum Fixture Dimension Must Not Exceed 11.5”. arrange the sheave on the press table/support. 12”...
- Page 5 NOTE: NOTE: The Sheave Pac assembly must remain carefully aligned with the The Sheave Pac assembly installation tooling shall be sheave bore throughout this step in order to decrease the manufactured as a disk/plate to allow a complete 360 degree potential for seal O.D.
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Page 6: General Comments
Step 2 statements. It is based on Timken’s internal evaluations which cannot anticipate all conditions in the field and there may be other methods of Evenly apply general purpose, lithium complex grease to the Sheave... - Page 7 • The storage area temperature should be maintained between 0º C (32º F) and 40º C (104º F); temperature fluctuations should To help you get the most value from our products, Timken provides be minimized. guidelines for the shelf life of grease-lubricated ball and roller bearings, components and assemblies.
- Page 8 fixtures. Fig. 4 Fig. 5 The Timken team applies their know-how to improve the reliability and performance of machinery in diverse markets worldwide. The company designs, makes and markets high-performance steel as well as mechanical www.timken.com...
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