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APTM Bearings for Industrial Applications

APTM Bearings for Industrial Applications
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APTM Bearings for Industrial Applications

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2 AP™ BEARINGS FOR INDUSTRIAL APPLICATIONS

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APTM Bearings for Industrial Applications - 3

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 ....

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APTM Bearings for Industrial Applications - 4

4 AP™ BEARINGS FOR INDUSTRIAL APPLICATIONS

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APTM Bearings for Industrial Applications - 5

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

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APTM Bearings for Industrial Applications - 7

INTRODUCTION 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...

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APTM Bearings for Industrial Applications - 8

Timken® AP Bearing Assembly Description of Parts ••The narrow adapter shown in Fig. 1 can be used in many ap- plications. 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 Vent Narrow Adapter can be applied to the axle as a unit. When the axle end cap, as shown in Fig. 1 is used, the locking plate provided locks...

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APTM Bearings for Industrial Applications - 9

Basic Bearing Assembly Basic Bearing Assembly Dimensions and Ratings Inner Race (Cone) Number Outer Race (Cup) Number C Outer Race Width Cone bore tolerance + 0.025 – 0.000 mm (+ .0010 in. – .0000 in.) K Factor is defined as the tapered roller bearing radial to axial dynamic capacity ratio. NOTE: Special cup O.D. tolerance +0.102 + 0.076 mm (+ .0040 in. + .0030 in.) also available. APTM BEARINGS FOR INDUSTRIAL APPLICATIONS

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APTM Bearings for Industrial Applications - 10

With Shroud Basic Bearing Assembly Without Shroud Backing Ring (1) Assemblies Backing ring assemblies and/or backing spacer may be used on either side of the bearing. Overall Dimensions for AP Bearings db D Outside Diameter Backing Ring With Shroud Without Shroud On Classes B, C, and D the lubricant fitting extends beyond the axle end cap. Dimensions given include the lubricant fitting. C Outer Race Width APTM BEARINGS FOR INDUSTRIAL APPLICATIONS

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APTM Bearings for Industrial Applications - 11

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

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APTM Bearings for Industrial Applications - 13

HOW TO IDENTIFY ASSEMBLY NUMBERS AND PART NUMBERS How to Identify Assembly Numbers and Part Numbers Vent Fitting 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...

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APTM Bearings for Industrial Applications - 14

HOW TO IDENTIFY ASSEMBLY NUMBERS AND PART NUMBERS STANDARD PART NUMBERS Standard Parts for Timken AP Bearings Backing Ring Class Inner Race (Cone) Cone Spacer Seal Wear Ring Seal Assembly With Shroud Without Shroud Seal Assembly Cap Screw (Qty: 3) Lube Fitting or Pipe Plug Cone Spacer Cone & Roller Assembly Lube Fitting Pipe Plug or Vent Lock Plate Seal Wear Ring Pipe Plug Basic Bearing Assembly Backing Spacer Class With Shroud Backing Ring Assemblies Backing Spacer Pipe Plug Lube Fitting Without Shroud Backing Spacer Adapter (1) Recessed End Cap Lube Fitting Pipe Plug Pipe Plug Lock Plate...

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APTM Bearings for Industrial Applications - 15

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. . . . . . . ....

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APTM Bearings for Industrial Applications - 17

MOUNTING DESIGNS mOUNTING dESIGNS Typical Applications 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...

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