APTM Bearings for Industrial Applications - 84 Pages

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APTM Bearings for Industrial Applications

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APTM Bearings for Industrial Applications

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2 APTM BEARINGS FOR INDUSTRIAL APPLICATIONS

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index Introduction Development and Advantages. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 Bearing Reconditioning . . . . . . . 7 Description of Parts. . . . . . . . 8 Basic Bearing Assembly Dimensions and Ratings. . . . . . . . . . . . . . . . . 9 Overall Dimensions . . . . . . . . . . . . . . 10 How to Identify Assembly Numbers and Part Numbers Bearing Assembly Numbers. . . . . . . . . . . . . . . 13 Standard Part Numbers. . . . . . 14 Mounting Designs Typical Applications. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 Crane Bridge and Trolley Axles...

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4 APTM BEARINGS FOR INDUSTRIAL APPLICATIONS

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INTRODUCTION AIntrODuction Development and Advantages. . 7 Bearing Reconditioning. . . . . . . . . . . . . . . . . . . . . . . 7 Description of Parts. . . . . . . . . . . . . . 8 Basic Bearing Assembly Dimensions and Ratings. . . . . . . . . . 9 Overall Dimensions. . . . . . . . 10 a A

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intrODuction When Timken introduced its revolutionary APTM (All-Purpose) railroad bearings in 1954, it was a railroad industry milestone. Decades later, Timken is a leader in the friction management and power transmission industries and continues to lead in advancing bearing technology through continuous innovation and development. In addition to railroad applications, AP bearings are successfully used in many types of industrial applications. This can be attributed to many factors including the bearing’s high load carrying capacity and its adaptability to a wide variety of applications....

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Timken® AP Bearing Assembly Description of Parts ••The narrow adapter shown in Fig. 1 can be used in many applications. Another type of mounting utilizes a full bore housing (see page 21). While this type of housing is currently unavailable through Timken, most bearing distributors provide a selection from other manufactuerers. ••The bearing assembly is pressed on the axle as a completely sealed unit. The axle end cap, cap screws and locking plate Fig. 1 3D illustration of AP bearing Vent Narrow Adapter Backing Ring Locking Plate Cap Screws Basic Bearing Assembly (with seals and seal wear...

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How to Identify Assembly Numbers and Part Numbers BHow to Identify Assembly Numbers and Part Numbers Bearing Assembly Numbers. . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 Standard Part Numbers. . . . . 14 B B

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HOW TO IDENTIFY ASSEMBLY NUMBERS AND PART NUMBERS B B

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How to Identify Assembly Numbers and Part Numbers Bearing Assembly Numbers In order to facilitate the identity of groups of parts, a “bearing assembly number” system is used. AP bearings are each assigned a five digit numeric code that follows the cone part number to describe the individual component parts, prelubrication, performance codes, and internal clearance of the pre-set assembly. In some cases the code may be alphanumeric, although the first digit is always “9”. For new applications, an assembly number is assigned on receipt of the first order. It is very important for the correct...

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MOUNTING DESIGNS C mOUNTING dESIGNS Typical Applications. . . . . . . . . . . . . 17 Crane Bridge and Trolley Axles. . . . . . . . . . . . . . . . . . . . . . . . . 18 Moveable Stadium Roof. . . . . . . . . . . . . 20 Table Rolls. . . . . . . . . . . . . . . . . 21 Continuous Casting Machine Guide Rollers . . . . . . . . . 22 Elevator Sheaves. . . . . . . . . . . . . . . . . . . 23 Ingot Cars. . . . . . . . 24 Sintering Car Wheels. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26 Coal Crushers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26 Wood Pulp Beater...

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mOUNTING dESIGNS Typical Applicat ions Listed below are some of the various applications on which AP bearings are presently being used. Photographs and/or line drawings of some of these designs are shown on the following pages. •• Apron Feeders •• Auto Shredders •• Band Saws •• Barking Drums – Thrust Rollers •• Billet Ejectors •• Bucket Unloaders •• Calender Rolls •• Cam Rollers •• Cars -- Billet Grinder Cars -- Cable Cars -- Cane Cars -- Charging Box Cars -- Coke Guide Cars -- Coke Quench Cars -- Coke Screening Cars -- Furnace Cars -- Furnace Heat Shield Cars -- Hot Metal Cars -- Ingot...

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Typical full bore housing designs for crane wheel applications Crane Bridge and Troley Axle This illustrates a typical AP bearing mounting for crane bridge and trolley axle using recessed end cap. This clamped wheel design is shown on a drive axle. The idler axle design is similar except both bearings are clamped in the same manner as the left-hand assembly shown in Fig. 3. Fig. 4a Fig. 3 Cross section of AP bearing on a drive axle Fig. 4b 18 APTM BEARINGS FOR INDUSTRIAL APPLICATIONS MOUNTING DESIGNS C

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Crane Bridge and Trolley Axle The crane bridge and trolley axle photos below illustrate an example of a standard and recessed end cap. Fig. 5 Standard end cap design Fig. 6 Trolley utilizing AP bearings with recessed end cap for wheel and drum drive APTM BEARINGS FOR INDUSTRIAL APPLICATIONS 19 MOUNTING DESIGNS C

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Narrow Adapter Mounting Fig. 8 Narrow adapter mounting on trolley safety bar Moveable Stadium Roof Fig. 7 The Toronto Blue Jays Stadium uses Timken bearings in the moveable stadium roof 20 APTM BEARINGS FOR INDUSTRIAL APPLICATIONS MOUNTING DESIGNS C

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TABLE ROLLS Line Shaft Drive Full Bore Housing Ram Roller - Adapter Mounting Fig. 9a Fixed side Fig. 10 A standard narrow adapter is used at both positions to ensure positive radial location of the AP bearing cups. A close clearance is provided between thrust lugs and the sides of the adapters to keep axial movement of the roll to a minimum. Fig. 9b Float side APTM BEARINGS FOR INDUSTRIAL APPLICATIONS 21 MOUNTING DESIGNS C

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Continuous Casting Machine Guide Rolers and Runout Tables Used on both original and conversion guide roller applications, AP bearings provide a low maintenance, economical mounting arrangement. Close tolerance adapters are used in the lower design. Caster AP bearings are available with or without a narrow adapter or solid housing. Pillow Block Greasing systems may not be required with the prelubricated AP bearing used in certain pillow block applications. Contact your Timken service representative for more information. Fig. 11 AP bearing equipped runout tables Fig. 12 AP bearings used in...

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