--- title: MBL (USA) | Timing Belt U description: Clean operation starts with Mitsuboshi Timing Belt U, an abrasion-resistant polyurethane belt for precise light-duty transmission and paper feeding. --- [Skip to content](https://www.mblusa.com/timing_belt_u#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. # Timing Belt U [know more](https://www.hubspot.com/) - [Products](https://www.mblusa.com/products?hsLang=en) \> - [Industrial](https://www.mblusa.com/industrial?hsLang=en) \> - [Synchronous Belts](https://www.mblusa.com/synchronous_belts?hsLang=en) \> - Timing Belt U ![PU-Produkte-Uebersicht-1](https://39607677.fs1.hubspotusercontent-na1.net/hub/39607677/hubfs/PU-Produkte-Uebersicht-1.jpg?width=1200&length=1200&name=PU-Produkte-Uebersicht-1.jpg) ![image\_timingbelt\_u\_T5](https://39607677.fs1.hubspotusercontent-na1.net/hub/39607677/hubfs/image_timingbelt_u_T5.jpg?width=1200&length=1200&name=image_timingbelt_u_T5.jpg) [Belt Type, Dimensions, and Product Code Chart](https://www.mblusa.com/hubfs/Trapezoidal_Tooth_Timing_Belt.pdf?hsLang=en) ## Polyurethane Trapezoidal Tooth ## Timing Belt U **High abrasion resistance** **Minimal rubber dust dispersion** **Light-duty transmission** **High precision** **Smooth and quiet** **Double-sided available** Polyurethane timing belts, renowned for their exceptional abrasion resistance and minimal dispersion of rubber dust, prove ideal for applications necessitating clean environments. Mitsuboshi **Timing Belt U** excels particularly in light-duty transmission demanding heightened precision. These belts are well-suited for paper feeding, eliminating the risk of contaminating contact surfaces. Their flexibility allows seamless operation in small-diameter pulleys, ensuring smooth and quiet performance. Additionally, their made-to-order system accommodates the production of custom configurations. ##### Construction | **Material** | Polyurethane | | --- | --- | | **Cord (T80)** | Aramid | | **Cord (XL, L, T5, T10)** | Steel |   ##### Characteristics | **Heat Resistance** | +90°C / +194°F | | --- | --- | | **Cold resistance** | -30°C / -22°F | | **Max belt speed** | 30 m/s | | **Electric conductive** | Yes |   T80 XL L T5/T10 AT5/AT10 ![T80-1](https://www.mblusa.com/hs-fs/hubfs/T80-1.jpg?width=600&height=287&name=T80-1.jpg)   ![XL](https://www.mblusa.com/hs-fs/hubfs/XL.jpg?width=600&height=337&name=XL.jpg)   ![L](https://www.mblusa.com/hs-fs/hubfs/L.jpg?width=600&height=299&name=L.jpg)   ![T5](https://www.mblusa.com/hs-fs/hubfs/T5.jpg?width=440&height=250&name=T5.jpg) ![T10](https://www.mblusa.com/hs-fs/hubfs/T10.jpg?width=405&height=250&name=T10.jpg) ![FREESPAN AT5 profile](https://www.mblusa.com/hs-fs/hubfs/Belts%20(photos,%20graphics,%20profiles,%20etc.)/Belt%20Profiles/FREESPAN%20AT5%20profile.jpg?width=833&height=370&name=FREESPAN%20AT5%20profile.jpg) ![FREESPAN AT10 profile](https://www.mblusa.com/hs-fs/hubfs/Belts%20(photos,%20graphics,%20profiles,%20etc.)/Belt%20Profiles/FREESPAN%20AT10%20profile.jpg?width=833&height=370&name=FREESPAN%20AT10%20profile.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) #### Design Manual Provides comprehensive guidelines and instructions for creating effective and efficient timing belt systems. [Request Now](https://www.mblusa.com/timing_belt_design_manual_request?hsLang=en) [![image\_timingbelt\_g](https://39607677.fs1.hubspotusercontent-na1.net/hub/39607677/hubfs/Belts%20(photos%2c%20graphics%2c%20profiles%2c%20etc.)/Belt%20Photos/image_timingbelt_g.jpg?width=1200&length=1200&name=image_timingbelt_g.jpg)](https://www.mblusa.com/timing_belt_g?hsLang=en) Timing Belt G [![image\_otg\_1](https://39607677.fs1.hubspotusercontent-na1.net/hub/39607677/hubfs/image_otg_1.jpg?width=1200&length=1200&name=image_otg_1.jpg)](https://www.mblusa.com/long-span_timing_belt?hsLang=en) Long-span Timing Belt [![Freespan-335](https://39607677.fs1.hubspotusercontent-na1.net/hub/39607677/hubfs/Freespan-335.jpg?width=1200&length=1200&name=Freespan-335.jpg)](https://www.mblusa.com/freespan_belt?hsLang=en) FREESPAN™ Timing Belt --- [![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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