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China factory - Shanghai Yongxing Bearing Manufacturing Co., Ltd.

Shanghai Yongxing Bearing Manufacturing Co., Ltd.

  • China,Shanghai ,Shanghai
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  3. Industrial Hydraulic Rod Ends GF20DO GF25DO GF30DO GF45DO GF50DO GF70DO GF80DO
China Industrial Hydraulic Rod Ends GF20DO GF25DO GF30DO GF45DO GF50DO GF70DO GF80DO
China Industrial Hydraulic Rod Ends GF20DO GF25DO GF30DO GF45DO GF50DO GF70DO GF80DO

  1. China Industrial Hydraulic Rod Ends GF20DO GF25DO GF30DO GF45DO GF50DO GF70DO GF80DO
  2. China Industrial Hydraulic Rod Ends GF20DO GF25DO GF30DO GF45DO GF50DO GF70DO GF80DO
  3. China Industrial Hydraulic Rod Ends GF20DO GF25DO GF30DO GF45DO GF50DO GF70DO GF80DO
  4. China Industrial Hydraulic Rod Ends GF20DO GF25DO GF30DO GF45DO GF50DO GF70DO GF80DO
  5. China Industrial Hydraulic Rod Ends GF20DO GF25DO GF30DO GF45DO GF50DO GF70DO GF80DO

Industrial Hydraulic Rod Ends GF20DO GF25DO GF30DO GF45DO GF50DO GF70DO GF80DO

  1. MOQ： 500 pcs
  2. Price： USD1.80-33.50/1 piece, EXW Shanghai, China MOQ: 500 pcs
  3. Get Latest Price
Payment Terms T/T
Supply Ability 10000.00pcs/ per month
Delivery Time 20 work days
Packaging Details carton
Sealing Rubber Seal
Surfacetreatment Zinc Plated
Swivelangle ±15 degrees
Loadcapacity 5000 N
Threadtype Metric
Productname Hydraulic Rod End
Weight 150 grams
Corrosionresistance High
Material Steel
Temperaturerange -40°C to 120°C
Threadsize M12
Application Hydraulic Cylinders
Manufacturer ABC Hydraulics
Rodendtype Male
Bearingtype Spherical Plain Bearing
Brand Name SYX/OEM
Model Number GF20DO, GF25DO, GF30DO, GF35DO,GF40DO,GF45DO, GF50DO,GF60DO,GF70DO,GF80DO
Certification IATF 16949:2016
Place of Origin Shanghai, China

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  1. Product Details
  2. Company Details

Product Specification

Payment Terms T/T Supply Ability 10000.00pcs/ per month
Delivery Time 20 work days Packaging Details carton
Sealing Rubber Seal Surfacetreatment Zinc Plated
Swivelangle ±15 degrees Loadcapacity 5000 N
Threadtype Metric Productname Hydraulic Rod End
Weight 150 grams Corrosionresistance High
Material Steel Temperaturerange -40°C to 120°C
Threadsize M12 Application Hydraulic Cylinders
Manufacturer ABC Hydraulics Rodendtype Male
Bearingtype Spherical Plain Bearing Brand Name SYX/OEM
Model Number GF20DO, GF25DO, GF30DO, GF35DO,GF40DO,GF45DO, GF50DO,GF60DO,GF70DO,GF80DO Certification IATF 16949:2016
Place of Origin Shanghai, China
High Light GF..DO Rod End Ball Joint ，Industrial Hydraulic Rod Ends ，GF20DO Spherical Rod End
GF…DO series are heavy‑duty welded‑base rod end bearings (spherical plain bearing rod ends) designed for hydraulic/pneumatic cylinders, industrial linkages, and structural articulation joints. They combine a GE…ES radial spherical plain bearing with a robust weldable steel housing featuring a rectangular mounting base, enabling direct welding to machine frames, cylinder rods, or structural components. Key features include accommodation of angular misalignment up to ±7°, support for high radial and axial combined loads, weldable housing for rigid permanent installation, steel‑on‑steel sliding contact with grease lubrication, compliance with DIN ISO 12240‑4, and availability in bore sizes from 20 mm to 80 mm.
Design: GF…DO (welded base, maintenance type) with GE…ES bearing insert. Bore diameter (d): 20, 25, 30, 35, 40, 45, 50, 60, 70, 80, 90, 100, 120 mm (metric series). Angular misalignment: ±7° (static and dynamic). Material: housing is weldable steel, bearing is chrome steel (GCr15/100Cr6), heat‑treated. Surface: phosphated or black oxide for corrosion resistance. Lubrication: grease fitting (standard), relubricatable. Operating temperature: -30 °C to +120 °C, short‑term up to 150 °C. Load type: radial + axial combined with high static/dynamic load capacity. Mounting: rectangular welded base for direct welding to structures. Standards: DIN ISO 12240‑4, DIN 648 (industrial quality). Typical dimension example for GF40DO: d=40 mm, B=32 mm, d2=90 mm, C1=40 mm, H=77 mm, weight=2.4 kg.

Typical Applications 

Typical applications include hydraulic/pneumatic cylinders (mobile machinery, industrial presses), construction machinery such as excavators, loaders, bulldozers, agricultural equipment including tractors, harvesters, sprayers, material handling equipment like forklifts, cranes, conveyor linkages, automotive and commercial vehicles for suspension and steering linkages, industrial machinery such as presses, forging machines, automation lines, marine and offshore equipment including hatch linkages and winch systems, and structural articulation joints in steel structures.
 

Product Selection Guide 

Step 1: Define Load & Motion. For radial load dominant applications, use standard GF…DO. For high axial load, verify combined load rating and consider GF…DO with reinforced housing. For oscillatory motion up to ±7°, GF…DO is ideal; avoid pure rotation. Step 2: Bore Size & Shaft Fit. Select bore (d) to match shaft diameter (h6/h7 tolerance recommended). Ensure shaft hardness ≥ 55 HRC for steel‑on‑steel contact. Step 3: Mounting & Installation. Choose GF…DO for permanent rigid mounting via welded base. For threaded rod ends, select GI…KO/GI…LO series instead. Weld housing before installing bearing insert to prevent heat damage. Step 4: Environment & Maintenance. For standard environment, use GF…DO with grease lubrication (relubricate every 500–1000 hours). For corrosive environment, select stainless steel variant (GF…DO SS). For low‑maintenance demand, choose maintenance‑free PTFE‑lined version (GF…DO 2RS). Recommended models by application: GF30DO, GF40DO, GF50DO for general hydraulic cylinders; GF60DO, GF70DO, GF80DO for construction machinery; GF20DO, GF25DO, GF35DO for agricultural equipment; GF…DO‑SS for corrosive/marine environments; GF…DO‑2RS for low‑maintenance requirements.
 
FAQ 
Q1: What is the difference between GF…DO and standard rod ends?
A: GF…DO features a rectangular welded base for direct welding to structures, while standard rod ends use male/female threads. GF…DO is designed for high‑load, permanent installations in hydraulic cylinders and heavy machinery.
Q2: Is the GF…DO series maintenance‑free?
 A: Standard GF…DO is grease‑lubricated (maintenance type) and requires periodic relubrication. For maintenance‑free operation, choose the PTFE‑lined GF…DO‑2RS variant.
Q3: Can GF…DO bearings be used for continuous rotation?
A: No. They are designed for oscillating motion (≤ ±7°). Continuous rotation will cause rapid wear and failure.
Q4: What lubricant is recommended? A: Use high‑pressure lithium complex grease (NLGI 2) with EP additives. Relubricate every 500–1000 operating hours, or more frequently in harsh environments.
Q5: Can the housing be welded after bearing installation?
A: No. Welding generates high heat that will damage the bearing’s sliding surface and lubricant. Weld the housing first, then install the bearing insert. Q6: What is the allowable misalignment?
A: Up to ±7° angular misalignment, suitable for compensating shaft deflection and assembly tolerances.
Q7: Are stainless steel versions available?
A: Yes, GF…DO‑SS (stainless steel housing and bearing) is available for corrosive, marine, or food‑processing environments.
Q8: What is the service life?
A: Under proper lubrication and load conditions, service life typically exceeds 5000–8000 operating hours. Severe shock, contamination, or lack of lubrication will reduce life.
Q9: Can GF…DO be used in high temperatures?
A: Standard operating temperature is -30 °C to +120 °C. Short‑term operation up to 150 °C is possible with high‑temperature grease.
Q10: Are these bearings interchangeable with INA/SKF equivalents?
A: Yes, GF…DO conforms to DIN ISO 12240‑4 and is dimensionally interchangeable with INA GF…DO‑A and SKF GE…DO series.
 

Company Details

Bronze Gleitlager

,

Bronze Sleeve Bushings

 and 

Graphite Plugged Bushings

 from Quality China Factory

  • Business Type:

    Manufacturer

  • Year Established:

    1996

  • Total Annual:

    30000000-50000000

  • Employee Number:

    150~200

  • Ecer Certification：

    Verified Supplier

Founded in 1996, Shanghai YongXing Bearing Manufacturing Co., Ltd. (SYX) has evolved from a leading manufacturer into a certified innovator at the forefront of precision motion technology. We specialize in engineering and producing high-performance spherical plain bearings, rod ends, and cam followe... Founded in 1996, Shanghai YongXing Bearing Manufacturing Co., Ltd. (SYX) has evolved from a leading manufacturer into a certified innovator at the forefront of precision motion technology. We specialize in engineering and producing high-performance spherical plain bearings, rod ends, and cam followe...

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  • Shanghai Yongxing Bearing Manufacturing Co., Ltd.
  • Rm907, No350, South Shanxi Rd. Shanghai, 200001, China
  • https://www.sphericalplain-bearing.com/

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