Material Features:

JDB material is made of strong cast bronze based metal with special solid lubricants embedded. The base metal withstands high load and the solid lubricants provide for self-lubrication. The bearing shows excellent performance without pre-lubrication under conditions of extreme high/lower temperature with low speed.

This material provides a maintenance-free bearing solution, particularly for high load, intermittent of oscillating motion.
This kind of bearing can be applied under dry, high temperature, high pressure, corrosive, water or other chemical environments when no oil can be introduced.

Now is widely be used in automotive products line, water engineering, dam gate, plastic industries, successive casting machines, steel rollers in metallurgy industry, mineral machines, ships, turbo generators, hydraulic turbines and injection molding machines...

 

Main Techinal Index:

Type	JDB-1 RoHS	JDB-2	JDB-3	JDB-4 RoHS	JDB-5 RoHS
Base Material	CuZn25Al6Fe3Mn3	CuSn6Zn6Pb3	Steel+ CuSn6Zn6Pb3	HT-250	GCr15
Base Hardness	HB230 (HB270)	HB 90	HB 80	HB 210	HB 60
Friction Coef(u)	<0.16	<0.15s	<0.14	<0.17	<0.177
Temperature Limit	300°C	350°C	300°C	400°C	350°C
Dynamic Load Limit	100N/mm2	60N/mm2	70N/mm2	60N/mm2	250N/mm2
Load Limit Under 1M/Min	25N/mm2	15N/mm2	20N/mm2	15N/mm2	70N/mm2
Speed Limit	(Dry) 0.40 m/s (Oil) 5 m/s	2m/s	2m/s	0.5m/s	0.1m/s
PV Limit	3.8N/mm2·m/s	0.5N/mm2·m/s	0.6N/mm2·m/s	0.8N/mm2·m/s	2.5N/mm2·m/s