Oilless Bearing, Self Lubricating Oilless Bushing, Graphite Bronze Bearing Bush

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Model NO.: JDB
Separated: Unseparated
Maximum Dynamic Loading: 120 N/mm²
Self Lubricating Material: Graphite + Others
Working Temperature: -40°C to 300°C
Working Environment: Water, Air, Oil, and Grease
Maximum Sliding Speed: 0.4 m/s
Trademark: E-HU
Transport Package: Carton Box
Specification: ISO
Origin: Hunan, China
HS Code: 84821020
1. Structure Features:
1. Steel bronze powder with PTFE/Pb dry bearings. The PTFE/Pb mixture (0.01~0.03mm) provides an excellent initial transfer film that effectively coats the mating surface of the bearing assembly, forming an oxide-type solid lubricant film.
2. Sintered bronze powder (0.20-0.35mm) offers maximum thermal conductivity away from the bearing surface and serves as a reservoir for the PTFE-lead mixture.
3. Low-carbon steel ensures exceptionally high load-carrying capacity and excellent heat dissipation.
4. Copper/Tin plating (0.002mm) enhances corrosion resistance.
5. Suitable for dry running, low friction coefficient, minimal wear, and good sliding characteristics. It forms a transfer film that protects the mating metal surface and is ideal for rotary and oscillating movements. High chemical resistance, low water absorption, and swelling. Performs well with or without lubrication.

2. Typical Applications:
Meets demanding criteria for long life and trouble-free performance, both with and without lubrication.
Automotive: Tractors, combines, crop sprayers, earth-movers, graders, construction machines, power steering cylinders, steering gear thrust washers, disc brakes, calipers, pistons, shock absorbers, governor linkages, windshield wiper motors, tilt gear assemblies.
Business Machines: Photocopy machines, typewriters, mail sorters, postage meter systems, computer terminal printers, automatic printing devices, mail processing machinery.
Hydraulics and Valves: Pumps (gear, rotary, water, axial piston), ball, butterfly, poppet steam, and other valves and valve trunnions.
Home Appliances: Tape recorders, refrigerators, air conditioners, cleaners, polishers, sewing machines, ovens, dishwashers, washing machines.
Other Uses: Materials handling, marine engines, packaging, textile equipment, tools
Oilless Bearing, Self Lubricating Oilless Bushing, Graphite Bronze Bearing Bush
Oilless Bearing, Self Lubricating Oilless Bushing, Graphite Bronze Bearing Bush
Oilless Bearing, Self Lubricating Oilless Bushing, Graphite Bronze Bearing Bush
Oilless Bearing, Self Lubricating Oilless Bushing, Graphite Bronze Bearing Bush


3.Technical Data
No. Content Technical Datas
1 Type Anti-rust, Self-lubricated, Non-maintainence
2 Operation Type Interrupt
3 Maximum Static Loading 3150 kN
4 Maximum Dynamic Loading 1800 kN
5 Dry Friction Coefficient 0.1–0.12
6 Water Friction Coefficient 0.08–0.12
7 Maximum Sliding Speed 0.4 m/s
8 Working Temperature  
9 Working Environment Water, Air, Oil, and Grease
10 Time Life ≥10000 hours
11 Dimension  
  Inner Diameter 180 mm
  Outer Diameter 260 mm
  Roller Diameter 225 mm
  Inner Ring Width 105 mm
  Outer Ring Width 80 mm
12 Material  
  Inner Ring Stainless Steel 2Cr13
  Outer Ring  
  Self Lubricating Material Graphite + Others
13 Minimum Hardness  
  Inner Ring 180 HB
  Outer Ring 90 HB
14 Roughness in Sliding Face 0.2–0.8 μm

4. Our Factory
Oilless Bearing, Self Lubricating Oilless Bushing, Graphite Bronze Bearing Bush

Oilless Bearing, Self Lubricating Oilless Bushing, Graphite Bronze Bearing Bush

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