Rechrome roller core. Product Code: C625 READ MSDS BEFORE USING THIS PRODUCT Packaging: 1-Quart (. Rechrome roller core

 
 Product Code: C625 READ MSDS BEFORE USING THIS PRODUCT Packaging: 1-Quart (Rechrome roller core  Surface coatings: Coating the steel can lengthen its resistance to corrosion

030. To learn more about Roll Tech's roll plating services, contact us today! CONTACT US TODAY. Plating Motorcycle Customizing Wheels. We have managed to maintain the position of one of the top hard chrome rollers suppliers with our wide range of products, available in different sizes. The company has large and medium-sized roller processing equipment for various types of work, such as turning, milling, grinding,. Business listings of Hard Chrome Plated Roller, Chrome Plated Roller manufacturers, suppliers and exporters in Delhi, हार्ड क्रोम प्लेटेड रोलर विक्रेता, दिल्ली, Delhi along with their contact details & address. Most of our rollers are delivered "press ready" with new factory installed bearings and Fixtures. 00 for show chrome of copper, nickel and chrome by a company in Ft. Anand Electroplaters through its knowledge and experience has developed new innovations in anode designs, jigging and masking. Rubber Sleeves. , Ltd. American Roller Company’s state-of-the. UNIT 1: Plant & Turnkey Project Division . 40+ Years Experience. 020 to 0. Heavy Nip Rollers; Heavy Padding Rollers; Anti Deflection Rollers; Light Nip Rollers; Hollow (Tube) Rubber Rollers; Hypalon Rubber Rollers; Drum Rollers;. Innovus Rollers - Manufacturer, supplier and exporter of HCP Roller based in Ahmedabad, Gujarat, India. Pros. Collar part of HROB and HROBU is plastic (Nylon 6). 1. Notch for hold down spring. Shop Product on. Journal repair true to main OD. With a 13. Continue Shopping SKU: 1100-203 Category: Roll Handling Equipment. Worth. Linear Shaft - Tapped End, Precision. Then, select the relevant network and click on Advanced: Modify your LAN settings on Mac. 3/4” pin roller is 1 1/2” outside diameter. 005 to 0. Our wide range of product line includes industrial Rubber Roller, P U Rollers,Air Shaft, Core Holding devices, Wrinkle removers, Safety. Hard Chrome Plating Roller - Buy Hard Chrome Plated Roller at best price of Rs 15000 by Advance Rubtech (I) Private Limited. Dodge W150 1979 Pickup Bed. As you’re drawing, think about how it would feel to ride your roller coaster in real life. We are renowned as best in class quick change sleeve suppliers to our clients according to their requirements. US$ 8000-25000 / set. Days to Ship : 4 Days. Many. 5 mm: 2. Roller Derby’s Roller Star 600 Roller Skates can take you anywhere—and they cost half as much as our top overall picks. From roller cores to roller coatings, as well as custom and specialty parts. Nickel. Even with good maintenance and care, wear parts must be replaced from time to time. Cooling Rolls. FIDFIT (™) 2023 New Ab roller Wheel, Automatic Rebound 2 In 1 For Abs Workout, Abdominal FitnessWheel for men women, Dynamic Core Trainer Plank Exercise Wheels with timer For Home Gym Fitness [Orange] 3. Threaded handle end is compatible with most extension poles. R2R Engineering can help get you set up with the right fit of protective roll covers. The company has 45 employees and 12 professional technicians. No. Company Introduction: Wuxi Baosong Roll Manufacturing Co. Conveyer Roller. Description. Perfect for contractors. Roll Technology is proud to offer industrial roller repair services for industrial metal rollers. Our chrome cylinder benefits include: Tremendous wear resistance. MISUMI offers free CAD downloads, No Shipping charge with short lead times. Get the close shave and soft skin you want with this pack of four Braun Clean & Renew cartridges. One of the advantages of thermally sprayed hardcoats is the ability to use multi-layer coatings of different materials to provide multiple functions. 005 to 0. Quote and order online today! Webcode. We produce a variety of Hard Chrome Rollers:. Chrome plating process: This is the core step for surface chrome plating of the metal roller. Quick Change Sleeve. Base Mounting. They are basically rubber roller having unique groove pattern on rubber surface. Teravan Stainless Steel Replacement Toilet Paper Roller with Chrome Plating (Set of 2) 4. The cost ranges from $300 to $2000 per bumper. , Ltd. The specifications and dimensions of some parts may not be fully covered. We are one of the leading tungsten carbide coating roller manufacturer and exporter in India. We are the presumed supplier and manufacturer of Hard Chrome Plated Roller. HARD CHROME PLATING / SUPER FINISHING (MIRROR) ROLLER. Nitrile is also available in an FDA-approved version, which is required in the food and pharmaceutical industries. , Ltd. Cross Recessed Pan Head Screws with Captured Spring Washer【1-2,000 Pieces Per. The soft fabric is durable and able to handle semi-rough to rough surfaces with. Since earlier we were engaged with Arvind Rub-web control ltd. Anand Electroplaters through its knowledge and experience has developed new innovations in anode designs, jigging and masking. Read More . Home; Industry Home . Offset Printing Rollers, Industrial Rubber Rollers, Silicone Rollers, Heidelberg, Roland, KBA, Miller,. Rol-Tec has acquired Axis Machine Co. Hard Chrome is porous at the microscopic level, which can let moisture and chemicals through to attack the base material. Description Related products. - Vatva, Ahmedabad - 382 445. H. Hardchrome Plated Roller Manufacturer. Chrome Roll surface finishes are dialed in according to your specific tolerance. This roller gives. For that reason, I would first encourage her to be very diligent in. Joined Apr 3, 2011 Messages 393 Reaction score 119 Location seattle. Lexia Core5® Reading® is a research-proven, blended learning program that accelerates the development of fundamental literacy skills for students of all abilities in grades pre-K-5. 5 µm), and more commonly present in 0. Remove freely for replacement, easy to clean. Bottom Cutting Knife Holding Shaft. Hard Anodized Aluminum Roller. Chill roller chrome repair helps reduce the need for overall roller repairs. Chrome Roller Defect SPCoop (Bioengineer) (OP) 27 Jul 17 12:21. Hard Chrome Plating Roller is made by using superior quality raw material and advanced technology under the observation of professionals. Chrome plating provides strong sliding wear and abrasion resistance as well as a bond to base metals that is superior to that of other coatings. Roller collects the following:KSMPRA Pasta Roller Attachments for Most KitchenAid Stand Mixers - Stainless Steel. We believe in delivering high quality rubber bow roller and for that we use imported bearing, spools. The high quality rubber used by us undergoes the various. 29. The products are available at a reasonable cost. They are recommended for use on any smooth surface and with gloss paints. Contact us today to learn more!Roller Core Size: Standard: Roller Cover Material: Foam: Roller Product Type: Manual Roller: Wall Types: All wall types:. Dodge W150 1979 Rockers and Floors. 1 mm Diameter, 100 - 500 mm Width, for EAR Series. Extend. Available to order online 24 hr. For Buyer . Coating Thickness (μ) : 25 – 100. - Vatva, Ahmedabad - 382 445. Lines Roller 409,400 products found from 25,587 Lines Roller manufacturers & suppliers. MISUMI offers FREE CAD download, short lead times and competitive pricing. No. . Banana Roller. You can fix ERR_INTERNET_DISCONNECTED on Mac by going to System Preferences > Network. Read More . Was established in 2010 with a plant area of 4000m ² The registered capital is 30 million yuan. Click HERE to request a quote or call us at 1. Roll Technology provides Hard Chrome Plating on industrial rolls, as well as a smooth and flawless roll face with 40+ Years Experience. 경질 크롬 도금의 개요. Dodge W150 1979 Front Sheetmetal and Trim. 90 degree drops. 40mopar. 4. We have earned the title of a prominent variable bow expander supplier and manufacturer as each piece undergoes a strict quality check process. With firm commitment to quality, we are manufacturing, supplying and exporting a comprehensive range of Cooling Roll. Your local supplier can easily be our middleman. 4. Join hands with us for uniquely designed solutions. With a TRX Foam Roller and some focused pressure, you can unlock myofascial release to ease muscle soreness, enhance recovery, and promote muscular balance. Was established in 2010 with a plant area of 4000m ² The registered capital is 30 million yuan. Our “Service Center Rollers” is. Item I-01851 - The Victoria Roller Rink; Item I-01852 - Victoria Grand Spot News Stand Yates Street; Item I-01853 - Victoria Home Furniture Ltd. OEMs and users are primarily focused on one particular characteristic. Whether it is a bent shaft, cracked core, or broken bearing. This section explains insufficient adhesion, foreign particle adhesion, and deposit missing in plating and the causes of such defects. Keep your core tight, the movement controlled, and at a moderate pace. On top of that the cam core chemistry or metalurg is different. About. williams) A photo posted by on . Upset Bolt with Built-In Washer, Cross Hole Sold Separately. 40mopar. Regular price. Conveyor Rollers - Miniature. Kody Rubetech is Asia's No 1 Company for Manufacturing and Exporting of Lug Type Air Shaft. Our 24-point inspection will keep your. Steel rollers and their components are manufactured around several specifications: Material: Plain steel, galvanized steel, stainless steel, zinc-plated steel or even an alloy of steel and aluminum. Foam rollers come in a variety of textures to target different concerns. Chrome Rollers Chrome Rollers Increase Production Standards There are many reasons why chrome plating is so often used as the coating of choice for process rollers in the web manufacturing and converting industries. Quote and order online today! Since many rollers operate partly or fully submerged in strong solutions of acids or caustics, a corrosion barrier to protect the roller core, which is typically mild steel, is essential. 1-888-918-2253 . Teflon Roller. 0002 to 0. We are renowned as a leading ebonite roller manufacturer and supplier due to our superior quality of products. Coating Thickness (μ) : 25 – 100. Buster icon sits right next to the audio CAPTCHA button, click the CAPTCHA solver button to begin the authentication process. 7 out of 5 stars with 818 reviews. Heat Transfer Rollers Can Be Repaired Menges can restore your current heat transfer roller to like-new condition or re-engineer it to perform for a new application. 50/1, & 50/2 PAIKI, Jasodanagar Char Rasta, N. Increasing demand in the free software community in addition to severe problems in Google’s proprietary software discovered by the Android modding community, have led to the development of a free software clone of Google’s proprietary core libraries and applications - the microG Project was born. Conveyor Rollers - Replacement, Stainless Steel, 38. Our chrome plating is designed and applied to prevent corrosion, help protect critical surfaces on rollers. 2 0 0. When clever people try to skip the first two steps to save money you end. They are basically rubber roller having unique groove pattern on rubber surface. 125. The rollers can then be molded, mandrel wrapped or extruded and bonded to the reconditioned core just like new. We are renowned for serving the local as well as global markets. Suitable for beginners to advanced foam rollers, this multi-density foam roller is durable and can withstand up to 500 pounds of weight. The closed cover end lets you cut in wall corners as you paint, saving you time. Owing to the sharp properties of our products, like extended durability and low. Google’s Chromebook Plus and CD PROJEKT’s Cyberpunk 2077 are teaming up for a promotional run. If you can afford it go with the billet core, but yes you will need a bronze or a wearever distributor gear ($50 and $100 respectively) I've also had guys. Kody Rubetech is located in Gujrat, India and since 1984 in manufacturing Mechanical Shaft and we are consistent from the beginning. Kody Rubetech is one of the top rubber bow roller manufacturer in the packaging industry. It is essential that the micro-cracked and porous. The hardness of the chrome coated roller is greatly improved after chrome plating, and the friction coefficient is relatively reduced due to the improvement of the roller surface smoothness, which. Spins and Rolls smoothly to make paint faster, premium quality roller frame, best time saver. Ab wheels are a staple of most gym, and chances are. 18 in. View More Details. . Hard chrome plating leaves a layer of chrome from 0. STAINLESS STEEL ROLL WITH HARD CHROME PLATING; Aluminium Guide Roll; EXPANDER ROLLER . £63 at Amazon. Step 2: Place a foam roller on the ground behind you. Also find product list from verified suppliers with contact number | ID: 4369606188Roller has disclosed the following information regarding the collection and usage of your data. It makes itself suitable for a variety of industrial applications that require corrosion and wear resistance. View our entire product catalog online, get tips from the Goodmark experts, take a look at our projects, get to know the Mark of quality! We have the ability of re-chroming your old rollers according to OEM specifications, the old coating is removed without damaging the roller surface, chromium is then accurately applied onto the roller surface and polished to a mirror like or matt finish. Anchor pin opening is 1”. As the core component its wear resistance and service life are main technical indicators to measure the quality and cost. Lead Time Reduction. Diamond Groove. Tungsten Carbide. Minimal stabilization features. Explore available options in nearby cities like Greater Noida, Noida, Delhi, and more. This chrome plating is applied as a very thin layer, with a thickness from 0. Company Introduction: Wuxi Baosong Roll Manufacturing Co. 20-August-2023 | By Admin. Color: Oil-rubbed bronze. Chromium Plating Company has been providing the highest-quality Roll Services and chrome finishing solutions for the manufacturing industry for over 90 years. Even though it has a hollow core, the design is firm and. GoFit On a Roll Ab Wheel. Hex Posts - One End Tapped and One End Threaded, Configurable Length. Also, our spiral groove rollers have a modular design that can be manufactured in many standard versions to fulfill the various needs of the clients. Prices in Faridabad range from 110 to 8,00,000 INR for various types, including Hollow Chrome Plating Anode, Hard Chrome Plated Industrial. Whether replacing, repairing, reconditioning, recovering, resurfacing, regrinding, recoating, or fabricating new rubber rollers, Harwood Rubber specializes in delivering cost-effective solutions. - 8, P. The Kor Rollers come in two lengths, the KTR rollers are 5cm (2″) long and the newer KPcR rollers are 7. There are several stages of this process to get a clean bumper. Benefits: Re-store to original and critical dimensions; thus reducing replacement costs. Transport distance and roller width can be specified within the range of 90 - 390 mm. Water Recycling Plant; Bath-Toilet-Beauty Soap Making Plants . Free shipping. 🔍 About Our chrome plating is designed and applied to prevent corrosion, help. , which means we can now offer in-house precision metal roll grinding in addition to our rubber and urethane roller services. 0002 to 0. UNIT 1: Plant & Turnkey Project Division . 015 mm). The offered Rubber Roller is manufactured with superior quality materials. We are offering our clients with a superior range of hard chrome plating rollers that are known for their efficient performance and resistance against corrosion. Hold in the position shown and turn clockwise the number of revolutions per the chart below. We have 34 years experience of manufacturing all the above mentioned products. 1. Anar Rub Tech company strives to satisfy the needs and requirements and products are Rubber Roll, Rubber Rollers, Industrial Rubber Roller, Polyband Expander, Bow Banana Roller Removers, Safety Chuck, Rubber Sleeve, Hard Chrome Plated Rollers, Sleeved Expanders, P U Rollers, Aluminium Rollers, Multi Tube Shaft, Bow Rollers of the clients. Manufacturing a rubber roller is a straightforward process involving the fabrication of the roller core, rubber compounding, bonding, covering, vulcanizing, grinding, and balancing. S. Smooth rollers, like the AmazonBasics Foam Roller, are great for even pressure and overall relaxation. You can stay here for 20-30 seconds to stretch out the chest and back, or roll up and down slowly and gently by pressing up through your heels. Hard Chrome Roller Manufacturer, hard chrome plating rollers, Industrial Roller Manufacturer with efficient performance and level of immune to deteriorationTexture. 20-August-2023 | By Admin. Days to Ship : Same Day. #4. Water Recycling Plant; Bath-Toilet-Beauty Soap Making Plants . Joined Sep 29, 2008 Messages 3,812 Reaction score 452 Location Findlay, IL. Industrial Roller Manufacturer, most machines are fitted with MS rolls. This 6 in. Our process includes designing of rubber expander roller, production and multiple quality checks. Corrugating roller is the most important component of corrugated fiberboard production equipment. Water Form Rollers Metering Chrome Roller for Heidelberg SpeedMaster 102 CD New - DRUPA. The roll will perform like new and represents about a 40% savings versus the cost of a new roll. Best Used For: Core and Journal Repair. also, we provide custom size pneumatic. Tungsten Carbide. MISUMI offers FREE CAD download, short lead times and competitive pricing. ISI uses the highest quality materials. Related products. I have a 5in east side gutter machine and I would like to rechrome the rollers or repair them some how because their leaving little scratches on the gutter. MISUMI • Type: Long Roller • Shaft Type: Shafts • Bearing: Double • Long Roller Type. The main part is the outer cylinder, which holds the polyurethane. Teflon coated surface of the rollers provides extraordinary resistance against usual wear and tear. The roller cover tended to not roll easily but slid more on a metal paint tray (probably because of the 1/2 inch nap). How to do Foam Roller - Core Hold: Step 1: Sit down on your butt, knees bent and feet flat on the floor. Holly Perkins, CSCS, a celebrity trainer and author of Lift to Get Lean, gives this roller her blessing for its medium-density EVA foam, which means. These frames adjust to hold 12", 14", and 18" wide roller covers, so you can take on different-sized jobs with the same frame. $26 at Amazon. It also explains solutions for problems in observation and evaluation of plating defects. S. $39 $29. 010 to 0. We supply amazing quality of HCP roller with brilliant functioning and high resistance against corrosion. They didn't run directly onto the chrome. Hard Chrome Plating Rollers are popular in the market in light of their compelling execution and extraordinary protection against erosion. Squeeze the trigger to keep the roller filled with fresh paint as you go. We under take Hard Chrome Plating from 10 mm to 1000 mm in Diameter. Known for manufacturing, supplying & exporting, products like all type of Plastic core , Metalizer Air Shaft, Soap Mould in MS material, High Qualit. Dodge W150 1979 Cab Body Panels and Trim. Get In Touch. Our water form rollers are made with coverings that resist hardening and maintain dimensional stability, minimizing re-setting and extending roller lives. Dynamically Balanced Hard Chrome Plating Roller is available in. A quick look at 9 of the best foam rollers. Pan Head Screw with Spring and Small Flat Washer - M2 - M8, Phillips【1-7,000 Pieces Per Package】. 49. $72. Kody Rubetech Pvt Ltd is engaged in the manufacturing of top quality hard anodized aluminium roller which has been in constant demand amongst our clients spread across the globe. Largest manufacturer of Rubber Groove Spreader Roller by Anar Rub Tech Pvt. 98 $ 13. The final step in polishing is the cone buffer. £14 at Amazon. 127 mm) thick on the surface of the metal. Use of excellent quality of raw material for manufacturing is necessary for their sturdiness and longer functional life. (561). In this video I use the alsa easy chrome spray paint. WHEEL PICKUP Local pickup is available in many regions on the West Coast. Search. , which means we can now offer in-house precision metal roll grinding in addition to our rubber and urethane roller services. Hard chrome plating is an electroplating process in which chromium is deposited from a chromic acid solution. Company Introduction: Wuxi Baosong Roll Manufacturing Co. It involves immersing the metal roller in an electrolyte solution containing chromium, and chrome is deposited on the metal surface by electric current. Silver Plating. Kody Rubetech Pvt Ltd is engaged in the manufacturing of top quality hard anodized aluminium roller which has been in constant demand amongst our clients spread across the globe. 1. This first step was removing the old chrome. Directions: Apply PRISCO CHROME ROLLER CLEANER liberally with a soft cloth to a dry chrome roller using a firm polishing stroke. 64-68 MUSTANG WINDOW ROLLER & CLIP: C5ZZ-6530146-B: 64-68 MUSTANG RH QTR. The range made available by. Click the checkbox next to ‘I’m not a robot’. 05 – 0. Roller. Plank Tucks. $497. The high quality rubber used by us undergoes the various. Hard chrome plating is an electroplating process in which chromium is deposited from a chromic acid solution. Google’s Chromebook Plus and CD PROJEKT’s Cyberpunk 2077 are teaming up for a promotional run. Metallic rollers, the workforce of rollers, are employed to move higher loads where workpieces can tolerate a bit of a rough handling. Lightweight, sleek, with chrome accents and a bold profile, it brings a crisp, clean look to theVEVOR Automatic Garage Roller Door Opener 100W Motor 800N Lift Force 2 Remotes. Remove freely for replacement, easy to clean. These were triple plated (copper, nickel, chrome) using a simple setup on my tabletop. The company has 45 employees and 12 professional technicians. Our range of products is capable of withstanding high temperature of steam and water. Roller handle is steel frame with chrome plating provides durability with a reduced chance for rust. Our exchange process allows you to eliminate downtime completely. There's no rust or anything on mine, it's just probably 20 years. x 3/8 in. can provide all your custom rubber coated roller needs. Buy Hard Chrome Plating Roller from Anar Rub Tech Pvt. User rating, 4. When you're needing some serious deep tissue relief and ultimate muscle stimulation, look no further than our Restore Deep Tissue Performance Roller. For use with all. com or (909) 393-0528. How: Place the foam roller between your knees and squeeze gently. 50 KG Per Hour Soap Making MachineProcess & Capacities: . We have the ability of re-chroming your old rollers according to OEM specifications, the old coating is removed without damaging the roller surface, chromium is then accurately applied onto the roller surface and polished to a mirror like or matt finish. Chrome plating is used to: Reduce friction (chrome plating provides a low coefficient of. Here at Roll Technology, Our Roll to Roll Processing can fabricate a wide range of precision chrome rolls for your application, including: Calender Rolls Coating Rolls Plastic Cooling Rolls Slot Die Backing Heat Transfer Hot Oil Laminating Rolls Anvil Rolls Calender Rolls Providing a faster, less-expensive alternative to replacement, Hadronics will have your chrome cylinders back in action faster, reducing downtime. Benefits. Specifications. 06 x 6. Offset Printing Press Rollers, Rubber Rolls, Web And Sheet-Fed Rollers, Rilsan covered, Chrome plated roller. We make these rubber rollers in various specification according to the client. The movement in Williams' demonstration video may look minimal, but there's a knack to. Toggle Nav. Company Introduction: Wuxi Baosong Roll Manufacturing Co. Draw at least 1 design in your notebook. Chrome Plating. Do not let the HRJA20 - 213 shaft hubs on the rollers to support the cantilevered loads as this will apply offset loads on the bearings. Free shipping. Rechrome vs Reproduction Rechrome vs Reproduction. Conveyor Rollers - Replacement, Aluminum, 18. Conveyor Rollers - Replacement, with Shaft, for FMC57R Series. 2)Turn off the technotrnas and then remove ALL the dampener rollers and allow the ceramic to dry. Anar Rubtech Pvt Ltd, Ahmedabad, Gujarat, India We are the renowned manufacturer, exporter, retailer and wholesaler of Industrial Rubber Products like industrial rubber roller, p u rollers, core holding devices etc. 0. MISUMI offers FREE CAD download, short lead times and competitive pricing. No. Aluminum Grooved Roller. We are the biggest name in the market and offering the best collections of Hard Chrome Plating, Sanding Machine Rollers, Embossing Roller, Industrial Roller, etc. Gallery View You might know that foam rollers are great for helping release tension throughout the body, but they're also amazing for building a strong core!⁠⁠Having a st. Power Lifter. Was established in 2010 with a plant area of 4000m ² The registered capital is 30 million yuan. 5-cu. The dual-sided POWERLINK ZERO set by itself costs $999. Can anyone give me ideas on how to heat a metal chromed roller to maintain 120 degrees on the outer surface. This roller cover is a total game-changer. View all 33 products HARDWARE. Search. Chrome Rollers Chrome Rollers Increase Production Standards There are many reasons why chrome plating is so often used as the coating of choice for process rollers in the web manufacturing and converting industries. Thank you again, Stephan! From the way the question is worded, it sounds as though the renovator wants to rechrome cabinet hardware specifically. The goal is to show people how capable Chromebook’s really are at. Straight. Anar Rub Tech Private Limited - Offering Printing Rubber Roller, Rubber Rollers Printing Rollers, Web Offset Printing Roller, Packaging And Printing Rollers. ₹ 10,000. Chennai, Tamil Nadu | GST 33BWDPR1083G1ZN. Benefits: Custom formulations to specific ESA charge systems in printing. Was established in 2010 with a plant area of 4000m ² The registered capital is 30 million yuan. External diameter: 80 mm to 400 mm. A copper layer is electroplated onto the roller blank of the chrome rollers. Chrome Plus is an extremely durable composite coating that substantially extends the life of surfaces, while providing top quality mirror finishes and tolerances. Glue spreader rollers: Importance and Benefits for the manufacturing industry. CAD Available in 2D and 3D. Convenient size for small spaces and projects. Water Recycling Plant; Bath-Toilet-Beauty Soap Making Plants . Show Less. View all 33 products HARDWARE. 95. Meaning, it’s an extra $600USD for the single-sided power pedal (normally $649). Corrosion protection and other key surface protection properties. 0008 to 0. Rating - 100%. , Ltd. For Live shaft rollers, this is the diameter of the bearing journals. HROB and HROBU : d 0-0. Reflects 97% +Insulation +Vapor Barrier+Radiant Barrier.