Bearings http://www.astbearings.com/blog AST Bearings Blog Fri, 18 Nov 2016 16:23:37 +0000 en-US hourly 1 50432797 Bearings in Encoders: Part II, Mechanical Specifications http://www.astbearings.com/blog/2016/11/bearings-encoders-part-ii-mechanical-specifications/ http://www.astbearings.com/blog/2016/11/bearings-encoders-part-ii-mechanical-specifications/#respond Fri, 18 Nov 2016 16:23:37 +0000 http://www.astbearings.com/blog/?p=1389 For part I, click here This week in the Bearings Blog, we’ll take a closer look into bearing in encoders, and mechanical specifications in particular. These specifications include runout, starting torque, running torque, maximum RPM, life versus speed/load, and shaft size. Runout Optical encoders offer mechanical stability and high precision with minimal shaft run out,...

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Bearings in Encoders: Part I http://www.astbearings.com/blog/2016/11/bearings-encoders-part/ http://www.astbearings.com/blog/2016/11/bearings-encoders-part/#respond Fri, 11 Nov 2016 13:31:34 +0000 http://www.astbearings.com/blog/?p=1385 From robotics to heavy-duty industrial machinery, optical encoders are critical components in motion control. Choosing the correct bearing for use in an encoder is an important design consideration to promote performance and operating life. This decision requires engineers to take a number of variables into account, including loads, shock, vibration, accuracy requirements and environmental conditions....

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Bearing Considerations in Handheld Power Tools: Full AST Guide http://www.astbearings.com/blog/2016/10/bearing-considerations-power-tools-full-ast-guide/ http://www.astbearings.com/blog/2016/10/bearing-considerations-power-tools-full-ast-guide/#respond Fri, 28 Oct 2016 12:47:11 +0000 http://www.astbearings.com/blog/?p=1380 If you’ve been visiting the AST Bearing Blog recently, you may have seen parts of our recent series on the bearing design considerations for use in the hand tool industry. This week, we’re compiling all of the entries into a single post in case you missed anything. Below is a full recount of the five-part guide: An introduction to the...

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Bearing Considerations in Handheld Power Tools: Harsh Environments http://www.astbearings.com/blog/2016/10/bearing-considerations-handheld-power-tools-harsh-environments/ Fri, 14 Oct 2016 12:49:38 +0000 http://www.astbearings.com/blog/?p=1369 The final installment in a five-part series on bearings in power tools. To catch up, see the following: Industry Introduction Noise and Vibration Temperatures and Materials Lubrication In many industrial environments, power tools (and possibly the bearings) are continuously exposed to liquids and various types of particulate debris. Sealed or shielded bearings should be used...

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Bearing Considerations in Handheld Power Tools: Lubrication http://www.astbearings.com/blog/2016/09/bearing-considerations-handheld-power-tools-lubrication/ Fri, 30 Sep 2016 13:02:32 +0000 http://www.astbearings.com/blog/?p=1366 This installment is part four of a five-part series on bearings in power tools. To catch up, see the following: Industry Introduction Noise and Vibration Temperatures and Materials Bearing performance in power hand tool applications depend heavily on proper lubrication in terms of both type and amount. However, lubricant selection could be the specification most...

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Bearing Considerations in Handheld Power Tools: Temperatures and Materials http://www.astbearings.com/blog/2016/09/bearing-considerations-handheld-power-tools-temperatures-materials/ Fri, 16 Sep 2016 13:12:07 +0000 http://www.astbearings.com/blog/?p=1363 This installment is part three of a five-part series on bearings in power tools. To catch up, see the following: Industry Introduction Noise and Vibration Power hand tools must be designed and manufactured so that they can be held by an operator for long periods of time. Bearings must be mounted properly, have the proper...

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Bearing Considerations in Handheld Power Tools: Noise and Vibration http://www.astbearings.com/blog/2016/09/bearing-considerations-handheld-power-tools-noise-vibration/ Fri, 02 Sep 2016 12:59:32 +0000 http://www.astbearings.com/blog/?p=1357 To read part I of our series on bearings in power tools, click here. A noisy and vibrating tool will quickly cause discomfort for its operator, particularly in factory or production environments where motion and operations are repetitive. In the case of ball bearings, noise and vibration are directly related to the quality of the...

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Bearing Considerations in Handheld Power Tools: Introduction http://www.astbearings.com/blog/2016/08/bearing-considerations-handheld-power-tools-introduction/ Fri, 19 Aug 2016 17:14:47 +0000 http://www.astbearings.com/blog/?p=1352 As part of our mission at the Bearings Blog, we strive to delve deep into topics, giving readers a deeper understanding of a topic through in-depth, multi-part series. Some examples of past iterations include our looks into bearings in the medical and food and beverage areas. In that spirit, we’re proud to announce the newest...

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Plastic and Non-Metallic Materials Bearings http://www.astbearings.com/blog/2016/08/plastic-non-metallic-materials-bearings/ Fri, 05 Aug 2016 13:06:45 +0000 http://www.astbearings.com/blog/?p=1349 Usually, when people think of bearing materials the first option they will imagine is stainless steel. While this is certainly a common material, there are a range of other choices, each with their own unique advantages and limitations. Depending on application type, bearing experts may advise on a number of materials, and today we’ll take...

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Radial Ball Bearings: Fitting and Mounting Considerations http://www.astbearings.com/blog/2016/07/radial-ball-bearings-fitting-mounting-considerations/ Fri, 22 Jul 2016 13:07:07 +0000 http://www.astbearings.com/blog/?p=1346 Selecting the proper shaft and housing fit is critical in optimizing a radial ball bearing’s performance and life, and this post will look at some key considerations in the area. A bearing can only perform to its full capacity when it is correctly fitted on the shaft and in the housing. Conversely, improper bearing fits,...

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AST Video Spotlights http://www.astbearings.com/blog/2016/07/ast-video-spotlights/ Fri, 08 Jul 2016 12:21:24 +0000 http://www.astbearings.com/blog/?p=1342 Did you know that AST has a video section highlighting some of our value added services and capabilities? Check-out these four examples, featuring lubrication, failure analysis, mechanical sub assemblies and bearing design/application engineering. Lubrication Bearing lubrication an integral consideration for component performance and life. The video highlights AST’s proprietary solvent cleaning solution, ISO 14644-1 certified...

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Preloading Ball Bearings: Full AST Guide http://www.astbearings.com/blog/2016/06/preloading-ball-bearings-full-ast-guide/ Fri, 24 Jun 2016 13:46:09 +0000 http://www.astbearings.com/blog/?p=1336 Now that our full preload guide has been posted we’re compiling all of the information from this educational 5-part series into one, convenient location. Penned by AST’s VP of Operations, John Wallace, this guide has recently also been featured in Design World magazine and Bearingtips.com. In the case of ball bearings, preload is often a...

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Inventory Management Solutions from AST http://www.astbearings.com/blog/2016/06/inventory-management-solutions-ast/ Fri, 10 Jun 2016 12:48:22 +0000 http://www.astbearings.com/blog/?p=1328 Inventory management is an integral component to optimizing supply-chains, When it’s done correctly, it ensures that the right product is available at the right time. Alternatively, when inventory management goes wrong, the result can mean production delays and assembly line shutdowns. At AST Bearings, we understand the importance of inventory management to our customers, and...

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Bearing Spotlight: Cam Follower Roller Bearings http://www.astbearings.com/blog/2016/05/bearing-spotlight-cam-follower-roller-bearings/ Fri, 27 May 2016 17:06:35 +0000 http://www.astbearings.com/blog/?p=1318 Cam follower roller bearings – often called track followers – are specialty roller bearings designed to follow tracks or cams, and are used across and in a wide range of linear motion systems. Compact bearings with high-rigidity shafts and a built-in needle bearing, cam followers are most suitable as a guide roller for cam mechanisms...

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Preloading Ball Bearings Part V: Final Considerations Before Preloading http://www.astbearings.com/blog/2016/05/preloading-ball-bearings-part-v-final-considerations-preloading/ Fri, 13 May 2016 14:46:08 +0000 http://www.astbearings.com/blog/?p=1314 Welcome to the final installment of The Bearing Blog’s focus on preloading ball bearings. Today, we’re going to take a look at the questions that need to be asked before deciding which preload method will be best for your unique situation. Want to catch up on the previous entries before continuing? You can find them...

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Preloading Ball Bearings Part IV: Frequently Asked Questions http://www.astbearings.com/blog/2016/04/preloading-ball-bearings-part-iv-frequently-asked-questions/ Fri, 29 Apr 2016 12:38:06 +0000 http://www.astbearings.com/blog/?p=1310 Over the last three installments of the Bearings Blog, we’ve been examining preloading; follow the links below to catch up: Part I: What is preloading and why it’s important Part II: Spring and fixed constraint Part III: Axial adjustment and duplex bearings In today’s post, we continue our preload tutorial and look at a few...

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Preloading Ball Bearings Pt. III: Axial Adjustment and Duplex Bearings http://www.astbearings.com/blog/2016/04/preloading-ball-bearings-pt-iii-axial-adjustment-and-duplex-bearings/ Fri, 15 Apr 2016 13:44:31 +0000 http://www.astbearings.com/blog/?p=1303 Over the last two installments of the Bearings Blog,  we’ve been examining preloading; follow the links below to catch up: Part I: What is preloading and why it’s important Part II: Spring and fixed constraint We’ve examined two methods of preloading ball bearings so far in our preload series, and today we will look at...

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Preloading Ball Bearings Pt. II: Spring and Fixed Constraint http://www.astbearings.com/blog/2016/04/preloading-ball-bearings-pt-ii-spring-and-fixed-constraint/ Fri, 01 Apr 2016 12:53:35 +0000 http://www.astbearings.com/blog/?p=1299 Last time in the Bearings Blog we looked at what preloading means and why it’s important. To read that post, click here. In this post, we’ll be taking a closer look at two methods of preloading ball bearings – spring and fixed constraint – and what you need to know about both options. Spring preloading...

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Tech Spotlight: Preloading Ball Bearings http://www.astbearings.com/blog/2016/03/tech-spotlight-preloading-ball-bearings/ Fri, 18 Mar 2016 16:18:51 +0000 http://www.astbearings.com/blog/?p=1294 In the case of ball bearings, preload is often a misunderstood concept and overlooked by designers and bearing users alike. One of the final steps in the bearing manufacturing process is the assembly of the individual bearing components: the outer ring, inner ring, balls and retainer (or ball separator). When the bearings are assembled, it...

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How to Mount Spherical Plain Bearings http://www.astbearings.com/blog/2016/03/how-to-mount-spherical-plain-bearings/ Fri, 04 Mar 2016 14:22:46 +0000 http://www.astbearings.com/blog/?p=1290 To facilitate mounting of spherical plain bearings, the ends of pins or shafts and the edges of housing bores should have a lead chamfer of 10° to 20°. The bearings can be more easily pressed into position and there is little risk of damage to the mating surfaces being caused by skewing of the bearing....

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Bearings and the Restriction of Hazardous Substances Directive http://www.astbearings.com/blog/2016/02/bearings-and-the-restriction-of-hazardous-substances-directive/ Fri, 19 Feb 2016 13:56:02 +0000 http://www.astbearings.com/blog/?p=1286 The Restriction of Hazardous Substances (RoHS) directive restricts the use of hazardous materials found in electrical and electronic products sold in the European Union, and bearings must be selected with these regulations in mind. Any business that sells applicable products, sub-assemblies or components directly to RoHS countries (or sells to resellers, distributors or integrators that...

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Bearing Design Considerations for the Food Processing Industry: Full AST Guide http://www.astbearings.com/blog/2016/02/bearing-design-considerations-for-the-food-processing-industry-full-ast-guide/ Fri, 05 Feb 2016 13:34:26 +0000 http://www.astbearings.com/blog/?p=1282 Regular visitors to AST’s Bearing Blog will have read our recent series on the bearing design considerations for use in the food and beverage industry. This week, we’re compiling all of the entries into a single post in case you missed anything. Below is a full recount of the five-part guide: The brief introduction to...

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Bearing Spotlight: Miniature Linear Way Series http://www.astbearings.com/blog/2016/01/bearing-spotlight-miniature-linear-way-series/ Fri, 22 Jan 2016 13:26:53 +0000 http://www.astbearings.com/blog/?p=1278 Linear way bearings incorporate several rows of recirculating balls or rollers for low friction and precise linear motion and have a rectangular shaped track. Made of stainless steel, and with a wide range of variations in shapes and sizes, the LWL Series offered by AST Bearings are widely used in such fields as medical equipment,...

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Product Spotlight: Precision Needle Roller Bearings http://www.astbearings.com/blog/2016/01/product-spotlight-precision-needle-roller-bearings/ Fri, 08 Jan 2016 13:35:55 +0000 http://www.astbearings.com/blog/?p=1273 Needle roller bearings are essentially cylindrical roller bearings except that their cylindrical rollers have a length 3 to 10 times their diameter (versus less a length less than 3 times their diameter). Therefore, the ratio of the bearing outside diameter to the inscribed circle diameter is small, and they have a rather high radial load...

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Bearing Design Considerations for the Food Processing Industry Part V: Seals http://www.astbearings.com/blog/2015/12/bearing-design-considerations-for-the-food-processing-industry-part-v-seals/ Mon, 28 Dec 2015 13:58:56 +0000 http://www.astbearings.com/blog/?p=1269 To read part I (introduction) of this series, click here. To read part II (regulatory environment and safety) of this series, click here. To read part III (lubrication) of this series, click here. To read part IV ((materials) of this series, click here. In the fifth (and final) portion of our examination of bearing considerations...

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