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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.

Содержание Sheave Pac NP954426-902A1

Страница 1: ...e 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 a...

Страница 2: ...2A1 NP101986 902A1 NP195121 902A1 in mm in mm in mm in mm Bearing Bore Minimum 8 0000 203 200 9 9990 253 975 12 0000 304 800 14 0000 355 600 Maximum 8 0010 203 225 10 0000 254 000 12 0010 304 825 14 0020 355 651 Pin Diameter Minimum 7 9960 203 098 9 9960 253 898 11 9960 304 698 13 9950 355 473 Maximum 7 9980 203 149 9 9980 253 949 11 9980 304 749 13 9990 355 600 Corresponding Fits Minimum 0 0020L ...

Страница 3: ...aring into Sheave section for further details A Mounting of the Bearing into Sheave General Installation Information A Installation Methods The preferred method of overcoming the tight fit between the bearing outer diameter and the sheave inner diameter is with press force and appropriate tooling This document focuses on this method Installation methods that do not use press force need to be revie...

Страница 4: ...t Exceed 15 5 NOTE M8x1 25 metric threaded lifting holes have been incorporated into the cup O D to aid in lifting Threaded eyebolts or swivel hoists used for lifting must not have a threaded length beyond 12mm for 12 and 14 bore 10mm for 10 bore and 9mm for 8 bore The use of longer thread length will result in internal bearing damage NOTE Use of the lifting holes will require the provided lifting...

Страница 5: ...tall the top snap ring behind the assembly Step 12 With the bearing assembly installed remove the load from the press and remove the installation tooling Step 13 Install the snap rings into the sheave NOTE Limited space is available around the seal for snap ring installation Care must be taken to ensure seal damage is not incurred during this snap ring installation procedure Step 14 Repeat Steps 1...

Страница 6: ...bearings are installed onto shaft sheaves need to be rotated several times to ensure lubrication is coating all bearing surfaces and that no binding is experienced C Dismounting of the Bearing The bearing can be dismounted in the reverse order of mounting A General Comments Multiple cautions and notes of careful attention are also included throughout this suggested installation procedure This sugg...

Страница 7: ...st be laid upon its side it is suggested that the bearings be covered protected from this potential pool of water in an effort to minimize contamination ingress SHELF LIFE AND STORAGE OF GREASE LUBRICATED BEARINGS AND COMPONENTS To help you get the most value from our products Timken provides guidelines for the shelf life of grease lubricated ball and roller bearings components and assemblies Shel...

Страница 8: ... used in oil lubricated applications without removal of the corrosion preventive compound When using some specialized grease lubrications we advise you to remove the corrosion preventive compound before packing the bearing components with suitable grease Graphical Representation Of Typical Cone Bore Lifting Fixture NOTE Please contact your Timken representative for additional details and availabil...

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