# Changzhou Suma Precision Machinery Co., Ltd | DC Sprag Type Clutch,2600RPM Sprag Type Clutch,Extension One Way Sprag Clutch, ASNU One Way Roller Bearing,Freewheel One Way Roller Bearing,Chrome Steel One Way Sprag, 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 2005, Employees: 50~51, 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 * [DC3175(3C) Sprag Type Overrunning Clutch One Way Bearing](https://www.chinasuma.com/quality-13308924-dc3175-3c-sprag-type-overrunning-clutch-one-way-bearing): Keywords: DC Sprag Type Clutch,2600RPM Sprag Type Clutch,Extension One Way Sprag Clutch. * [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. * [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. * [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 * [Thai Quarry Conveyors Still Slipping Backwards? Suma ASNU Heavy-Duty One-Way Clutch Bearings Stabilize Slope Belt Backstop Torque](https://www.chinasuma.com/news/thai-quarry-conveyors-still-slipping-backwards-suma-asnu-heavy-duty-one-way-clutch-bearings-stabiliz-271614.html) * [Worried About Backflow on Thai Beverage Lines? Suma BB Cam Clutch Bearings Keep Bottles from “Flowing Backward”](https://www.chinasuma.com/news/worried-about-backflow-on-thai-beverage-lines-suma-bb-cam-clutch-bearings-keep-bottles-from-flowing--271616.html) * [Small Agitator Motors in Thai Chemical and Paint Plants Being “Dragged Backwards”? An Integrated One-Way Bearing Can Solve It](https://www.chinasuma.com/news/small-agitator-motors-in-thai-chemical-and-paint-plants-being-dragged-backwards-an-integrated-one-wa-271620.html) * [Thai Packaging Conveyors Rolling Back on Every Stop? Suma CSK Integrated One-Way Bearings Help Small Gearboxes Hold Back Torque](https://www.chinasuma.com/news/thai-packaging-conveyors-rolling-back-on-every-stop-suma-csk-integrated-one-way-bearings-help-small--271615.html) * [Concerned About Reverse Water Hammer in Thai Sewage Lift Stations? Needle-Roller One-Way Clutches Offer a Hidden Backstop for Vertical Pumps](https://www.chinasuma.com/news/concerned-about-reverse-water-hammer-in-thai-sewage-lift-stations-needle-roller-one-way-clutches-off-271618.html) * [Experts Explore Sprag Clutch Mechanics for Precision Engineering](https://www.chinasuma.com/blog/experts-explore-sprag-clutch-mechanics-for-precision-engineering-367760.html) * [Mcmastercarr Boosts Industrial Reliability with Advanced Clutches](https://www.chinasuma.com/blog/mcmastercarr-boosts-industrial-reliability-with-advanced-clutches-367263.html) * [LQB Launches Precision Kseries Needle Roller Bearings](https://www.chinasuma.com/blog/lqb-launches-precision-kseries-needle-roller-bearings-366840.html) * [K20A Engine Rocker Arm Bearing Failures Causes and Solutions](https://www.chinasuma.com/blog/k20a-engine-rocker-arm-bearing-failures-causes-and-solutions-365982.html) * [Guide to Kseries Radial Needle Roller Bearings Design and Uses](https://www.chinasuma.com/blog/guide-to-kseries-radial-needle-roller-bearings-design-and-uses-365499.html)