# Changzhou Suma Precision Machinery Co., Ltd | ASNU One Way Roller Bearing,Freewheel One Way Roller Bearing,Chrome Steel One Way Sprag, Customized Sprag Overrunning Clutch,FXM Sprag Overrunning Clutch,Overrunning Custom Bearings, RSBW40 Backstop Bearing,52MM Backstop Bearing,RSBW40 Backstop Cam Clutch, ## summary > Manufacturer, Trading Company, Brands: SUMA, Germany Technology Introduction , Core Technical Team , Superioor Equipment Support , OEM - Customization Available ., Established in 2012, Employees: 20~30, Annual sales: 1000000-2000000, Export ratio: 70% - 80%, Primary markets: North America, South America, Western Europe, Eastern Europe, Eastern Asia, Southeast Asia, Middle East. ## Company Information * [Company Profile](https://www.chinasuma.com/aboutus.html): Overview, history, teams and core capabilities. * [Factory & Manufacturing](https://www.chinasuma.com/factory.html): Production capacity, OEM/ODM capabilities, and R&D strength. * [Quality Control](https://www.chinasuma.com/quality.html): ISO certifications, quality standards, and compliance. * [Contact Us](https://www.chinasuma.com/contactus.html): Global offices, inquiries, and support channels. ## Product Category * [One Way Clutch Bearing](https://www.chinasuma.com/supplier-422213-one-way-clutch-bearing): Keywords: Sprag Clutch One Way Bearing,Sprag One Way Clutch Bearing,Freewheel One Way Sprag Clutch. * [Sprag Clutch Bearing](https://www.chinasuma.com/supplier-422214-sprag-clutch-bearing): Keywords: One Way Sprag Clutch Bearing,GCr15 Sprag Clutch Bearing,Sprag Cam Clutch Bearing. * [Drawn Cup Needle Bearing](https://www.chinasuma.com/supplier-422216-drawn-cup-needle-bearing): Keywords: ST14 Drawn Cup Needle Bearing,FCB One Way Needle Roller Bearing,HK One Way Needle Roller Bearing. * [Stud Type Cam Follower](https://www.chinasuma.com/supplier-422227-stud-type-cam-follower): Keywords: GCr15 Stud Type Cam Follower,GCr15 Stud Cam Follower,1 Directional Stud Cam Follower. * [One Way Needle Roller Bearing](https://www.chinasuma.com/supplier-422221-one-way-needle-roller-bearing): Keywords: HF Drawn Cup Roller Clutches,K24X28X10 One Way Needle Roller Bearing,23000RPM One Way Needle Roller Bearing. * [Backstop Bearing](https://www.chinasuma.com/supplier-422217-backstop-bearing): Keywords: Freewheel Backstop Bearing,Sprag Backstop Bearing,GCr15 Backstop Clutch Bearing. * [Yoke Type Track Roller Bearing](https://www.chinasuma.com/supplier-422222-yoke-type-track-roller-bearing): Keywords: GCr15 Track Roller Bearing,GCr15 Yoke Type Track Roller Bearing,GCr15 Bearing Track Roller. * [Overrunning Clutch Bearing](https://www.chinasuma.com/supplier-422219-overrunning-clutch-bearing): Keywords: Complete Freewheel Overrunning Clutch,F2F3 Clutch Overrunning,Complete Freewheel Overrunning Clutch Bearing. * [Cam Clutch Bearing](https://www.chinasuma.com/supplier-422218-cam-clutch-bearing): Keywords: GCr15 Cam Clutch Bearing,Sprag Cam Clutch Bearing,Indexing Backstop Cam Clutch. * [Roller Clutch Bearing](https://www.chinasuma.com/supplier-422215-roller-clutch-bearing): Keywords: GCr15 Roller Clutch Bearing,One Way Freewheel Clutch,MZEU Roller Clutch Bearing. * [Needle Roller Pin](https://www.chinasuma.com/supplier-423533-needle-roller-pin): Keywords: Inclined Conveyors Custom Size Bearings,FXRT Custom Bearings,Inclined Conveyors Custom Made Bearings. * [Spherical Plain Bearing](https://www.chinasuma.com/supplier-423532-spherical-plain-bearing): Keywords: Radial Spherical Sliding Bearing,Quenched Radial Spherical Plain Bearings,GEG8E Spherical Plain Bearing. ## Featured Products * [RSBW40 Bucket Elevetor Backstop Bearing](https://www.chinasuma.com/quality-13262063-rsbw40-bucket-elevetor-backstop-bearing): Keywords: RSBW40 Backstop Bearing,52MM Backstop Bearing,RSBW40 Backstop Cam Clutch. * [FXM Sprag Overrunning Clutch](https://www.chinasuma.com/sale-13272129-fxm-sprag-overrunning-clutch.html): Keywords: Customized Sprag Overrunning Clutch,FXM Sprag Overrunning Clutch,Overrunning Custom Bearings. * [MZ20 One Way Overrunning Cam Clutch for Printing Machinery](https://www.chinasuma.com/videos-13327498-mz20-one-way-overrunning-cam-clutch-for-printing-machinery.html): Keywords: Overrunning Custom Made Bearings,MZ20 Custom Made Bearings,MZ20 Custom Bearings. * [ASNU25 NFS25 GCr15 Steel One Way Clutch Roller Type Bearing](https://www.chinasuma.com/sale-13576580-asnu25-nfs25-gcr15-steel-one-way-clutch-roller-type-bearing.html): Keywords: NFS25 roller type bearing,ASNU25 roller type bearing,ASNU25 One Way Clutch Bearings. * [GN130 Roller Freewheel Sprag Backstop Bearing](https://www.chinasuma.com/sale-13298981-gn130-roller-freewheel-sprag-backstop-bearing.html): Keywords: GN130 Backstop Bearing,Sprag Backstop Bearing,GN130 Backstop Clutch Bearing. * [BS110 Belt Conveyor Overrunning Clutch Bearing 250RPM](https://www.chinasuma.com/sale-13327331-bs110-belt-conveyor-overrunning-clutch-bearing-250rpm.html): Keywords: BS110 Overrunning Clutch Bearing,250RPM Overrunning Clutch Bearing,BS110 Clutch Overrunning. * [BB Series BB25 One Way OD 52MM Sprag Cam Clutch Bearing](https://www.chinasuma.com/sale-13352805-bb-series-bb25-one-way-od-52mm-sprag-cam-clutch-bearing.html): Keywords: Sprag Cam Clutch Bearing,BB25 Cam Clutch Bearing,BB25 One Way Sprag. * [FE448Z Freewheel Cage Sprag One Way Clutch Bearing](https://www.chinasuma.com/videos-13308926-fe448z-freewheel-cage-sprag-one-way-clutch-bearing.html): Keywords: 2 Cage One Way Clutch Bearing,11MM One Way Clutch Bearing,11MM Clutch One Way Bearing. * [CK-A4090 CKA4090 Sprag Backstop One Way Clutch Bearing Manufacturer](https://www.chinasuma.com/sale-13308934-ck-a4090-cka4090-sprag-backstop-one-way-clutch-bearing-manufacturer.html): Keywords: 525RPM One Way Clutch Bearing,Sprag One Way Clutch Bearing,Sprag Clutch One Way Bearing. * [ASNU100 NFS100 TFS100 Chrome Steel Freewheel One Way Roller Bearing](https://www.chinasuma.com/videos-13308541-asnu100-nfs100-tfs100-chrome-steel-freewheel-one-way-roller-bearing.html): Keywords: ASNU One Way Roller Bearing,Freewheel One Way Roller Bearing,Chrome Steel One Way Sprag. ## Case Studies & Applications * [Indian Customer Maintains Long-Term Partnership with DC5476C Clutch for Its Durability and Reliability](https://www.chinasuma.com/cases/indian-customer-maintains-long-term-partnership-with-dc5476c-clutch-for-its-durability-and-reliabili-38230.html) * [After using the DC3175A one-way bearing, the Indian customer achieved an 18% improvement in transmission efficiency and a 30% increase in service life.](https://www.chinasuma.com/cases/after-using-the-dc3175a-one-way-bearing-the-indian-customer-achieved-an-18-improvement-in-transmissi-39027.html) * [DC5476C Clutch Assembly Enhances Start-Stop Reliability in India’s Automotive Manufacturing](https://www.chinasuma.com/cases/dc5476c-clutch-assembly-enhances-start-stop-reliability-in-india-s-automotive-manufacturing-39028.html) * [Russia’s Harsh Winter Test – AV50 and AV60 Bearings Keep Heavy Equipment Running Smoothly](https://www.chinasuma.com/cases/russia-s-harsh-winter-test-av50-and-av60-bearings-keep-heavy-equipment-running-smoothly-39029.html) * [Brazilian Customer Achieves 15% Higher Transmission Efficiency and 30% Longer Maintenance Cycle with FXM140-50SX Bearings](https://www.chinasuma.com/cases/brazilian-customer-achieves-15-higher-transmission-efficiency-and-30-longer-maintenance-cycle-with-f-39030.html) * [FXM240-63SX Precision Bearings Boost Energy Efficiency and Reliability in Vietnam’s Motor Industry](https://www.chinasuma.com/cases/fxm240-63sx-precision-bearings-boost-energy-efficiency-and-reliability-in-vietnam-s-motor-industry-39031.html) * [Stable Under Heat and Dust – BS Series Bearings Keep Indonesia’s Cement Plants Running Continuously](https://www.chinasuma.com/cases/stable-under-heat-and-dust-bs-series-bearings-keep-indonesia-s-cement-plants-running-continuously-39032.html) * [Spanish Manufacturer Achieves 15% Lower Rolling Resistance and 2-Year Longer Lifespan with FE448Z Bearings](https://www.chinasuma.com/cases/spanish-manufacturer-achieves-15-lower-rolling-resistance-and-2-year-longer-lifespan-with-fe448z-bea-39033.html) * [From Assembly Line to Open Road – FWD331608BRB Bearings Drive India’s Motorcycles with Power and Precision](https://www.chinasuma.com/cases/from-assembly-line-to-open-road-fwd331608brb-bearings-drive-india-s-motorcycles-with-power-and-preci-39034.html) * [CSK Series One-Way Bearings Enhance Quiet and Reliable Performance in Turkey’s Home Appliance Industry](https://www.chinasuma.com/cases/csk-series-one-way-bearings-enhance-quiet-and-reliable-performance-in-turkey-s-home-appliance-indust-39035.html) * [RC040708 Bearings Drive Lightweight, Durable Design in U.S. Cleaning Tools](https://www.chinasuma.com/cases/rc040708-bearings-drive-lightweight-durable-design-in-u-s-cleaning-tools-39025.html) * [Indian Customer Keeps Reordering DC3175A Clutches for Their Stable Performance](https://www.chinasuma.com/cases/indian-customer-keeps-reordering-dc3175a-clutches-for-their-stable-performance-38229.html) ## Search Search endpoint: https://www.chinasuma.com/buy-{keyword}.html Rules: - Convert keywords to lowercase - Replace spaces with "-" - Remove special characters Users can combine keywords for more precise searches. ## News & Blog * [What Should Buyers Check Before Selecting a One Way Clutch Bearing: Buyer Checklist](https://www.chinasuma.com/news/what-should-buyers-check-before-selecting-a-one-way-clutch-bearing-buyer-checklist-407853.html) * [How to Select a One Way Clutch Bearing Based on Torque and Speed: How-To Guide](https://www.chinasuma.com/news/how-to-select-a-one-way-clutch-bearing-based-on-torque-and-speed-how-to-guide-407854.html) * [What Parameters Matter Most When Buying a One Way Clutch Bearing: Buyer Guide](https://www.chinasuma.com/news/what-parameters-matter-most-when-buying-a-one-way-clutch-bearing-buyer-guide-407855.html) * [How to Choose the Correct Bore Size for a One Way Clutch Bearing: Selection Guide](https://www.chinasuma.com/news/how-to-choose-the-correct-bore-size-for-a-one-way-clutch-bearing-selection-guide-407856.html) * [How to Match a One Way Clutch Bearing to Shaft Diameter: Fit and Tolerance Guide](https://www.chinasuma.com/news/how-to-match-a-one-way-clutch-bearing-to-shaft-diameter-fit-and-tolerance-guide-407858.html) * [Mechanics Diagnose Common Starter Motor Whining Issues](https://www.chinasuma.com/blog/mechanics-diagnose-common-starter-motor-whining-issues-409537.html) * [Honda Fourtrax Power Loss Tied to Clutch Bearing Issues](https://www.chinasuma.com/blog/honda-fourtrax-power-loss-tied-to-clutch-bearing-issues-407006.html) * [Guide to Diagnosing and Replacing Singlerow Clutch Bearings](https://www.chinasuma.com/blog/guide-to-diagnosing-and-replacing-singlerow-clutch-bearings-405069.html) * [Canam Clutch Issues Oneway Bearing Identified As Key Fix](https://www.chinasuma.com/blog/canam-clutch-issues-oneway-bearing-identified-as-key-fix-403495.html) * [G2 Clutch Bearing Study Compares OEM and Aftermarket Durability](https://www.chinasuma.com/blog/g2-clutch-bearing-study-compares-oem-and-aftermarket-durability-401277.html)