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Solid Self-Lubricating Bearing

JDB-2 Bronze Inlaid Bearing

JDB-2 is made of bronze CuSn6Zn6Pb3 with graphite evenly embedded in it. It can work under low load, high temperature and middle speed, e.g. in fireplace gate, convey way of the baking furnace, rubber machine, light industry and machine tools industry etc.

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Available Form

Material StructureBearing Design

Using high-density bronze roll forming or spherical oil pockets, oil hole special internal surface to reduce the wear and tear to extend the use of time and good anti-corrosion function.

Chemical Composition

Steel Layer（45 Steel） Copper Layer（And Japan CAC304 Considerable）
Fe C Si Mn S.P Cu Fe Mn Ai Zn
Margin 0.45~0.50 0.17~0.37 0.50~0.80 ≤0.040 60~66 3~8 2.25~5 5~7.5 Margin

Mechanical Behavior

Bond Strength Of Steel And Copper（N/mm2） Copper Layer Hardness HB Steel Layer Hardness
Not heat-treated state Surface high-frequency quenching after the cylindrical surface
≥300MPa ＞210 0≤241HBS ≥45HRC

Solid Lubricants

Solid Lubricants Features
Graphite+add Good wear performance and chemical stability,
temperature limit 400℃		 Suit for general machines and under atmosphere
PTFE+add Lowest friction coefficient and good water lubrication, temperature limit 300℃ Suit for water and seawater lubricant, such as ship

Technical Parameters

Grade JDB-2
Material CuSn5Pb5Zn5
Density g/cm3 8.7
Hardness HB ＞70
Tensile Strength N/mm2 ＞200
Yeild Strength N/mm2 ＞90
Elongation % ＞15
Coefficient of linear expansion 10-5/℃ 1.8
Heat-conducting CoefficientW(/m.k) 46~63
Flexibility Coefficient KN/mm2 85~115
Temp. Limits ℃ -40~+250
Max. Dynamic Load 60
Max.speed m/s
 Dry Lubrication 0.3
Oil Lubrication 0.85
Max.PV N/mm2*m/s Dry Lubrication 1.0
Oil Lubrication 1.65
Friction Dry Lubrication 0.12~0.16
Oil Lubrication 0.03~0.08
Non-standard

Our long-term undertaking all kinds of non-standard customized products to meet our customers use requirements

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Contact Us

JIASHAN VOKE AUTO PARTS CO., LTD.

Add: No. 102, Yaoxing Road, Ganyao,
Jiashan, Zhejiang, China
Tel: 0086-0573-84686067
Tel: 18358349989
Fax: 0573-84615338
Website: www.fanruisqq.cn
E-mail: info@fanruisqq.cn