JF810 / SAE799

JF810, Bimetallic Bearings, Alloy: CuPb24Sn4 / SAE799

SAE797 bimetal bush

Descriptions

Steel-lead-bronze-compound material

Steel backing + CuPb24Sn4 sliding layer

Self-lubricating & Maintenance-free

JF810 Alloy Code & Corresponding International Code

Product Code	Alloy Code	Alloy Hardness	Corresponding International Code
JF810	CuPb24Sn4	45-70 HB	SAE-799, JIS-LBC6, GLYCO-68, DAIDO-L23, ACL-F250

JF810 Alloy CuPb24Sn4 Chemical Composition ( % )

Alloy Code	Cu	Pb	Sn	Zn	P	Fe	Ni	Sb	other
CuPb24Sn4	rest	21-27	3-4.5	≤ 0.5	≤ 0.1	≤ 0.7	≤ 0.5	≤ 0.2	≤ 0.5

Features

1. JF810 Bimetallic Bearing’s plain sliding layer is for lubricated applications.

2. JF810 Bimetallic Bearings is suitable for oil and grease lubrication.

3. JF810 Bimetallic Bearing’s inner diameter can be machined by boring, reaming,

Physical & Mechanical Properties

Maximum Operating Temperature Tmax-greased	150	°C
Maximum Operating Temperature Tmax-oil lubricated	250	°C
Minimum Operating Temperature Tmin	-50	°C
Maximum Static Load Psta,max	250	N/mm2
Maximum Dynamic Load Pdyn,max	120	N/mm2
Tensile Strength	150	N/mm2
Maximum Sliding Speed V-greased	2.5	N/mm2 * m/s
Maximum PV Factor-greased	2.8	N/mm2 * m/s
Coefficient of friction f-greased	0.05-0.12
Coefficient of friction f-oil lubricated	0.04-0.12