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Self-lubricating Bearings

Metallic self-lubricating bearings

CSB650

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Number of views:

1000

CSB650

Features

The bronze alloy provides mechanical strength and loading capacity of the bearing and the solid lubricants provides continuous lubricating source to establish the reliable lubricating system. It is suitable for the application conditions of middle to high load and where the frequent restarting operation is needed. The typical applications include the plastic injection machine toggle, tie bar, port machinery, dam gate and mining machinery.

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Number of views:

1000

Product serial number

CSB650

Structure:

1. Initial lubricating film, provides initial lubricating to reduce the friction.

2. Solid Lubricants, aligned according to the bearing motion direction to form lubricating film improving the friction coefficients and wear resistance feature.

3. Bronze alloy, provides mechanical strength and improve the impact resistance and corrosion resistance.

Main Metal Type

Type		650	650S5	650W1	650W3	650S1	650S2	650S3
Material		CuZn25AI5Mn4Fe3				CuSn5Pb5Zn5	CuAl10Ni5Fe5	CuSn12
Density		7.8				8.9	7.8	8.9
HB Hardness		≥210	≥250	≥210	≥230	≥70	≥150	≥75
Tensile Strength MPa		≥750	≥800	≥755	≥755	≥250	≥500	≥270
Yield Strength MPa		≥450	≥450	≥400	≥400	≥90	≥260	≥150
Elongation %		≥12	≥8	≥12	≥12	≥13	≥10	≥5
Thermal Expansion Coefficient		1.9x10*%/°C				1.8x10*9/°C	1.6x10^*/°C	1.8x10*/°C
Max. Operation Temp.		-40~+250°C				-40~+400°C
Max. load MPa		50	75	75	100	50
Max. speed m/s	Dry	0.5	0.1	0.5	0.1	0.5
Max. speed m/s	Lubricated	1	0.25	1	0.25	2.5
Max. PV (N/mm2*m/s)	Dry	1.65				1
Max. PV (N/mm2*m/s)	Lubricated	3.25				1.65

The above data is recommended by CSB. The designing data should be evaluated according to the particular application conditions.

Solid Lubricants

Lubricant	Feature	Typical Applications
SL1 Graphite + Additives	Good Chemical resistance and low friction coefficients. Operation temperature up to +400oC	Suitable for general industry applications exposed to atmosphere.
SL4 PTFE+MoS2+Additives	Low friction coefficients and good water lubricating feature. Operation temperature up to +300oC	Suitable for water lubrication condition. The applications include vessels, hydraulic turbines and steam turbines.

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CSB650GT

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Zhejiang Changsheng Sliding Bearing Co., Ltd.

ADD.: No.6, Xinda Road,Economic Development Zone, Jiashan, Zhejiang, China
TEL: +86-573-84184307
FAX: +86-573-84183450
E-mail: lynn@csb.com.cn

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