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Quick Details

  • Type: Sliding
  • Brand Name: B&B
  • Precision Rating: 1 class flat washers
  • Model Number: 50#
  • Place of Origin: Zhejiang, China (Mainland)
  • material: bronze +graphite
  • certification: ISO 9001
  • specification: standard.non standard
  • product name: Preform mould trust washer
  • country of origin: made in china
  • company type: bearings manufacturer
  • sample: free sample
  • Alloy: C86000
  • Alloy hardness: >180HB
  • standard: OILES

Packaging & Delivery

Packaging Details flat washers.Standard package or according to your requirements. Standard package : 1. Double layers plastic bag package 2. Thin cartons 3. Then in big wooden case.
Delivery Time 10 to 15 days flat washers


1With low wear rate and long life service
2.Excellent wear resistance Chemical solvent resistance
3Chemical solvent resistance

DNB500# is mold pressed under high pressure and then sintered under high temperature, and oil is soaked into the homogeneously spreaded tiny pores of the metal under vacuum. It can withstand dry condition in medium speed and low load for sometime. Moreover it is cheap and stable in dimension. , textile machines, , automobiles and official business machines.



Products Features:

  • Maintenance-free dry operation
  • Excellent wear resistance
  • With low and smoothly coefficient of friction and without stick-slip effects
  • Low moisture absorption
  • Chemical solvent resistance
  • Electrically insulates shaft from housing
  • Light and saves space
  • With low wear rate and long life service



  • Office machinery
  • Electronic products
  • injection molding machine
  • Fitness machines
  • Agricultural machinery
  • Packaging machiney
  • electric tools       

Technical Data:

Max. dynamic load



Max. Temperature

300 [ °C ]

Base Hardness


Friction coefficient


Highest sliding speed

dry 0.4m/s; oil 5m/s





Transaction History of the Supplier

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Transaction Overview


Transaction Details

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China (Mainland) | Manufacturer, Trading Company
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Supplier's Trade Assurance Limit: US $34,000
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