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By certification 
JDB 4 is based on cast irom Ht250 and embedded with solid lubricant.Very good performance when under low load. Not suitable for middle and high load.
A typical cost saving material, can substitute JDB-2 to be applied in the position without high requirements such as die guider, plastic injection machines etc.
Base material:HT-250
Base Hardness:HB180-230
Friction coef(u):<0.18
Temperature limit :400
Dynamic load limit:60N/mm2
lLoad limit under lm/min:15N/mm2
Speed limit:0.5m/s
PV limit:0.8N/mm2 *m/s
Contact:www.cblbearing.com
cblbearing@gmail.com
A typical cost saving material, can substitute JDB-2 to be applied in the position without high requirements such as die guider, plastic injection machines etc.
Base material:HT-250
Base Hardness:HB180-230
Friction coef(u):<0.18
Temperature limit :400
Dynamic load limit:60N/mm2
lLoad limit under lm/min:15N/mm2
Speed limit:0.5m/s
PV limit:0.8N/mm2 *m/s
Contact:www.cblbearing.com
cblbearing@gmail.com
