--- title: MBL (USA) | POLYMAX description: Discover the POLYMAX™ Polyurethane V-belt, designed for high-speed power, low vibration, and cost efficiency. --- [Skip to content](https://www.mblusa.com/polymax#main-content) - - [mailto:mblusa.sales@mitsuboshi.com](mailto:mblusa.sales@mitsuboshi.com) - - [E-COMMERCE](https://ecommerce.mblusa.com/my-account/login/)        [AUTO BELT SEARCH](https://www.showmetheparts.com/mbl/) [![Mitsuboshi Logo](https://www.mblusa.com/hs-fs/hubfs/Mitsuboshi%20Long%20Logo%20Blue%20Web-1.png?width=325&height=37&name=Mitsuboshi%20Long%20Logo%20Blue%20Web-1.png "Mitsuboshi Logo")](https://www.mblusa.com?hsLang=en) - [About Us](https://www.mblusa.com/mitsuboshi_belting_ltd#about_us) Show submenu for About Us - [Our Company](https://www.mblusa.com/mitsuboshi_belting_ltd) - [Our History](https://www.mblusa.com/history) - [Join Us](https://www.mblusa.com/careers) - [News & Insights](https://www.mblusa.com/mbl-usa-corporation-news) - [Products](https://www.mblusa.com/products) Show submenu for Products - [By Categories](https://www.mblusa.com/products#by_catagories) - [By Transmission Type](https://www.mblusa.com/products#by_transmission_type) - [By Application](https://www.mblusa.com/products#by_application) - [Industries](https://www.mblusa.com/products#by_application) Show submenu for Industries - [Agriculture](https://www.mblusa.com/agriculture) - [Automotive](https://www.mblusa.com/automotive) - [Heavy Duty](https://www.mblusa.com/heavy_duty) - [Industrial](https://www.mblusa.com/industrial) - [Lawn & Garden](https://www.mblusa.com/lawnandgarden) - [Recreational](https://www.mblusa.com/powersports) - [Resources](https://www.mblusa.com/resources) - [Careers](https://www.mblusa.com/careers) - [Contact Us](https://www.mblusa.com/service/contact/#contact_us) Show submenu for Contact Us - [North & South America](https://www.mblusa.com/service/contact/) - [Japan](https://www.mitsuboshi.com/english/inquiry/form_general/) - [Europe](https://www.mitsuboshi.de/en/contact/) - [About Us](https://www.mblusa.com/mitsuboshi_belting_ltd#about_us) Show submenu for About Us - [Our Company](https://www.mblusa.com/mitsuboshi_belting_ltd) - [Our History](https://www.mblusa.com/history) - [Join Us](https://www.mblusa.com/careers) - [News & Insights](https://www.mblusa.com/mbl-usa-corporation-news) - [Products](https://www.mblusa.com/products) Show submenu for Products - [By Categories](https://www.mblusa.com/products#by_catagories) - [By Transmission Type](https://www.mblusa.com/products#by_transmission_type) - [By Application](https://www.mblusa.com/products#by_application) - [Industries](https://www.mblusa.com/products#by_application) Show submenu for Industries - [Agriculture](https://www.mblusa.com/agriculture) - [Automotive](https://www.mblusa.com/automotive) - [Heavy Duty](https://www.mblusa.com/heavy_duty) - [Industrial](https://www.mblusa.com/industrial) - [Lawn & Garden](https://www.mblusa.com/lawnandgarden) - [Recreational](https://www.mblusa.com/powersports) - [Resources](https://www.mblusa.com/resources) - [Careers](https://www.mblusa.com/careers) - [Contact Us](https://www.mblusa.com/service/contact/#contact_us) Show submenu for Contact Us - [North & South America](https://www.mblusa.com/service/contact/) - [Japan](https://www.mitsuboshi.com/english/inquiry/form_general/) - [Europe](https://www.mitsuboshi.de/en/contact/) This is a search field with an auto-suggest feature attached. - There are no suggestions because the search field is empty. # POLYMAX™ [know more](https://www.hubspot.com/) - [Products](https://www.mblusa.com/products?hsLang=en) > - [Industrial](https://www.mblusa.com/industrial?hsLang=en) > - [Friction Forced Belts](https://www.mblusa.com/friction_forced_belts?hsLang=en) > - POLYMAX™ ![image_polymax_1](https://39607677.fs1.hubspotusercontent-na1.net/hub/39607677/hubfs/image_polymax_1.jpg?width=1200&length=1200&name=image_polymax_1.jpg) ![image_multi_polymax_1](https://39607677.fs1.hubspotusercontent-na1.net/hub/39607677/hubfs/image_multi_polymax_1.jpg?width=1200&length=1200&name=image_multi_polymax_1.jpg) ## Polyurethane V-belt ## POLYMAX™ **High-speed power** **Low vibration** **Compact design** **Cost efficient** **Stretch resistant** **Maintenance-free** By positioning the belt at an elevated angle of 60°, the vertical pressure between the belt and the pulley's side wall surface is effectively minimized. As a result, the belt experiences reduced deformation, the tensile cord experiences a more even distribution of force, and both the belt and pulley encounter diminished levels of friction. ![polymaxcomposition](https://www.mblusa.com/hs-fs/hubfs/polymaxcomposition.png?width=600&height=425&name=polymaxcomposition.png "polymaxcomposition") 3M 5M 7M 11M ![polymaxprofile3m](https://www.mblusa.com/hs-fs/hubfs/polymaxprofile3m.jpg?width=350&height=277&name=polymaxprofile3m.jpg)   ![polymaxprofile5m](https://www.mblusa.com/hs-fs/hubfs/polymaxprofile5m.jpg?width=350&height=280&name=polymaxprofile5m.jpg)   ![polymaxprofile7m](https://www.mblusa.com/hs-fs/hubfs/polymaxprofile7m.jpg?width=350&height=280&name=polymaxprofile7m.jpg)   ![polymaxprofile11m](https://www.mblusa.com/hs-fs/hubfs/polymaxprofile11m.jpg?width=350&height=279&name=polymaxprofile11m.jpg)   ##### Construction | **Back cog** | Polyurethane | | --- | --- | | **Reinforcing fabric facing** | Polyamide fiber | | **Cord** | Polyester | | **Core rubber** | Polyurethane | ##### Characteristics | **Heat resistance** | +80°C / +176°F | | --- | --- | | **Cold resistance** | -10°C / 14°F | ##### Applications Machines that operate continuously at high speed with little torque fluctuation Machines requiring weather resistance to ozone, sunlight, etc. Machines that require the smallest possible pulley diameter | **Belt type** | **3M** | **5M** | | --- | --- | --- | | **Applications** | - Office equipment - Textile machinery - Small high-speed tools | - Air temperature control fan - Machine tools - Textile machinery - Electric tools | | **7M** | **11M** | | | - Machine tools - Fans - Blowers - Compressors | - Machine tools - Woodworking machinery - Power generators | |   #### Multi POLYMAX™ ![multipolymaxcomposition](https://www.mblusa.com/hs-fs/hubfs/multipolymaxcomposition.png?width=600&height=446&name=multipolymaxcomposition.png "multipolymaxcomposition")   POLYMAX belts are available in 2 and 3 ribs. Ask for a MATCHED SET to improve the performance of a multi-set system. 2R5M 2R7M 2R11M 3R5M 3R7M 3R11M ![polymaxprofile 2 5m](https://www.mblusa.com/hs-fs/hubfs/polymaxprofile%202%205m.jpg?width=500&height=263&name=polymaxprofile%202%205m.jpg)   ![polymaxprofile 2 7m](https://www.mblusa.com/hs-fs/hubfs/polymaxprofile%202%207m.jpg?width=500&height=266&name=polymaxprofile%202%207m.jpg)   ![polymaxprofile 2 11m](https://www.mblusa.com/hs-fs/hubfs/polymaxprofile%202%2011m.jpg?width=500&height=268&name=polymaxprofile%202%2011m.jpg)   ![polymaxprofile 3R5M](https://www.mblusa.com/hs-fs/hubfs/polymaxprofile%203R5M.jpg?width=700&height=313&name=polymaxprofile%203R5M.jpg)   ![polymaxprofile 3R7M](https://www.mblusa.com/hs-fs/hubfs/polymaxprofile%203R7M.jpg?width=700&height=308&name=polymaxprofile%203R7M.jpg)   ![polymaxprofile 3R11M](https://www.mblusa.com/hs-fs/hubfs/polymaxprofile%203R11M.jpg?width=700&height=307&name=polymaxprofile%203R11M.jpg)   #### Questions? Please contact us to request more information about our product and how it can work with your application. [Contact Us](https://www.mblusa.com/service/contact/?hsLang=en) #### Product Catalog Our comprehensive catalog provides detailed information on dimensions, product codes, and an extensive selection of belt sizes. [Request Now](https://www.mblusa.com/industrial_catalog_request?hsLang=en) --- [![6△ロゴ(青地白文字)](https://www.mblusa.com/hs-fs/hubfs/6%E2%96%B3%E3%83%AD%E3%82%B4(%E9%9D%92%E5%9C%B0%E7%99%BD%E6%96%87%E5%AD%97).png?width=109&height=113&name=6%E2%96%B3%E3%83%AD%E3%82%B4(%E9%9D%92%E5%9C%B0%E7%99%BD%E6%96%87%E5%AD%97).png "6△ロゴ(青地白文字)")](https://www.mblusa.com?hsLang=en) MBL (USA) Corporation manufactures and distributes power transmission belts for original equipment and service parts in the automotive, recreational, and industrial markets. [![Japanese button english-1](https://www.mblusa.com/hs-fs/hubfs/Japanese%20button%20english-1.png?width=411&height=75&name=Japanese%20button%20english-1.png "Japanese button english-1")](https://www.mitsuboshi.com/english/) [![global_portal_en-1](https://www.mblusa.com/hs-fs/hubfs/global_portal_en-1.png?width=231&height=71&name=global_portal_en-1.png "global_portal_en-1")](https://global.mitsuboshi.com/?_fsi=BTkyi7wZ) ## Get In Touch (815) 434-1282 Toll Free (877) 625-7832 [mblusa.websupport@mitsuboshi.com](mailto:mblusa.websupport@mitsuboshi.com) Plant & Warehouse: 601 Dayton Road, Ottawa, IL 61350 Sales & Engineering: 1600 Golf Road, Rolling Meadows, IL 60008 ## Menu - [About Us](https://www.mblusa.com) - [Products](https://www.mblusa.com/products) - [Resources](https://www.mblusa.com/resources) - [Careers](https://www.mblusa.com/careers) - [News](https://www.mblusa.com/mbl-usa-corporation-news) Copyright © 2025 MBL (USA) Corporation All Rights Reserved. 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