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JDB-70 cast iron graphite ring filled guide bearing is made of centifugal casting steel with graphite ring. This type of self-lubricating bearing is widely used in mould industry. It's also called Headed oiless guide bush,#500 cast steel oilless bearing.GCr15 Steel graphite ring oiles bearing and etc
Material
GCr15+Graphite Rings or Graphite
Other Base material can be made based on requirement
Characteristics
Availability
Application
JDB-70 solid lubricant rings filled cast iron oilless guiding bearing is widely used in Guide bushings of precision molds,Precision guide rails.
Technical Data
Material | GCr15+Graphite or Graphite ring |
Density | 7.8 |
HB Hardness | HRC 58-60 |
Friction μ | 0.04~0.17 |
Max. Operation Temp. | -40~+350 |
Max. load | 250N/mm² |
Max. speed m/s | 0. 1m/s |
Max. PV (N/mm² *m/s) | 2.5N/mm²·m/s |