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KDB In addition to metric products or non-standard bearings
KDB-202 Boundary Lubricating Bushings

Structure Characteristics and Applications

KDB20 is designed for marginal lubricating bushing. It is backed with copper-plated steel with porous bronze sintered on it and polymers (POM) imbedded into the bores of the bronze. The steel back provides the products with high quality low carbon steel. Oil dents stamped on the surface of the polymer can achieve good lubrication between the bushing and its mating axis. It is of good anti-abrasion and load capalility. The plating coating on the surface is erosion protective. And it is environmental protective as no lead included in the surface polymer POM. Products of KDB201 series are widely used on automotive chassis, forging machines, mine quarrying machines, metal melting and casting machines and in water irrigating and steel rolling industries.

KDB-202 (without lead)

Materiai

Carbon Steel + Copper Powder + POM

Typicai applicaton

It's used in vehicle chassis, forming machine tools, steel metallurgical machinery, mineral mountain machinery, hydraulic industry and rolling steel industry, etc.

PerformanceData
Max load capacity PStatic load110N/mm²
Max load capacity PDynamic load45N/mm²
Max line speed VGreaes lubrication2.5m/s
PV value limitGreaes lubrication2.8N/mm²· m/s
Friction coef μGreaes lubrication0.05~0.1
Mating AxisHardness>270 HB
PerformanceData
Mating AxisRoughnessRa=0.4~1.25
Working temperature-60~+120℃
Thermal conductivity52W/(m·k)
Coefficient of linear xpansion11×10-6K-1
Outside surface Platingcopper/tin
We can also develop according to customers special request while out of this table.

KDB20 Series products

KDB200
(SF-2)

Carbon Steel + Copper Powder + (PTFE + Pb + Filler)

READ MORE Product Size
KDB201
((without lead)

Copper plate + copper powder + (PTFE + Pb + filler)

Performance data

Product Size
KDB202
(without lead)

Stainless steel + copper powder + (PTFE + Pb + filler)

Performance data

Product Size
KDB203
(without lead)

Carbon Steel + Copper Powder + (PTFE + Pb + Filler)

Performance data

Product Size
KDB206
(without lead)

Carbon Steel + Copper Powder + (PTFE + Pb + Filler)

Performance data

Product Size
Product application

Widely used in hydraulic industry, forging machine tool industry, plastics machinery industry port machinery, office, fitness machinery, textile machinery, food package, filling machinery, chemical machinery, automobile, shipbuilding industry, construction machinery and so on.

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E-mail: kd@hxzf.cc
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Committed to the implementation of IATF 16949:2016 quality standards

Products centerSheet sinteringDesign ResourcesApplication area

Chinese market:NO.108 Zhijiang Road, Jiashan Economic Development Zone, Zhejiang 314100, China
Asia, Africa, Oceania Market:22nd Floor, Building 1, Cannan Square, No.1888 Zuili Road, Nanhu District, Jiaxing, Zhejiang 314050, China
Middle East, European and American markets:Room 902, No.1221 Xietu Road, Shanghai 200032, China

Contact phone:0-18858336880

About us

KDB Bearing Co., Ltd. is a professional manufacturer of KDB series plain bearings and has developed and manufactured six series of products.

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