Shanghai Hewei Sliding Bearing Manufacture Co., Ltd

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■ Antifriction Plastic Bearing

■ Bimetal Bearing

■ Copper alloy rolling bearings

■ Solid Lubricating Bearing

■ Technical Standards

October 1992: Nuclear Industry South China 249 Bearing Factory (the predecessor of Hewei) was established in Pucheng of Fujian.

June 1995: products were exported to United States

December 1995: approved by ISO9002 Quality Certificate

July 1998: products began to support and match with motor industry

April 2002: moved to Jiuting Development Zone in Songjiang of Shanghai through technological transformation

December 2002: approved by ISO9000 Quality System Certificate

December 2007: began to start up TS16949 System Certificate procedures

No.2039, Laifang Road, Hi-tech Park, Songjiang District
Tel: 021-67697256 (office)
Fax: 021-67697257

■

---Antifriction Plastic Bearing

◆ Your current location：home > Product Introduction

◎ Lead-free iron-base self lubricating bearing (SF-1W)

The product adopts quality low carbon steel plate as matrix, sinters porous bronze layer in the middle and rolls mixture mainly based on PTFE on the surface. Due to lead free, the bearing lubrication condition shall be cleaner in accordance with the requirements of environmental protection.

erformance Index		Relevant Data
Maximum loading pressure P	Dead load	250N/mm²
Maximum loading pressure P	Dynamic load	140N/mm²
Maximum linear velocity V	Dry friction	2.5m/s
Maximum linear velocity V	Oil lubrication	5m/s
Highest PV value (dry friction)	Dry friction	3.6N/mm².m/s
Highest PV value (dry friction)	Oil lubrication	50N/mm².m/s
Friction coefficient μ	Dry friction	0.08~0.20
Friction coefficient μ	Oil lubrication	0.02~0.07
Working temperature		-200 ℃~+280 ℃
Thermal Coefficient		40W/m.k
Liner expansion coefficient		12×10^-6/K

◎ Lead-free copper-base self lubricating bearing (ST-1BW)

The product adopts specially formulated high-density copper alloy as matrix, sinters porous bronze layer in the middle and rolls mixture mainly based on PTFE on the surface. Due to lead free, the bearing lubrication condition shall be cleaner in accordance with the requirements of environmental protection.

erformance Index		Relevant Data
Maximum loading pressure P	Dead load	250N/mm²
Maximum loading pressure P	Dynamic load	140N/mm²
Maximum linear velocity V	Dry friction	2.5m/s
Maximum linear velocity V	Oil lubrication	5m/s
Highest PV value (dry friction)	Dry friction	3.6N/mm².m/s
Highest PV value (dry friction)	Oil lubrication	50N/mm².m/s
Friction coefficient μ	Dry friction	0.08~0.20
Friction coefficient μ	Oil lubrication	0.02~0.07
Working temperature		-200 ℃~+280 ℃
Thermal Coefficient		40W/m.k
Liner expansion coefficient		12×10^-6/K

◎ Lead-free stainless steel-base self lubricating bearing (SF-1SW)

The product adopts stainless steel as matrix, sinters porous bronze layer in the middle and rolls mixture mainly based on PTFE on the surface. Due to lead free, the bearing lubrication condition shall be cleaner in accordance with the requirements of environmental protection.

erformance Index		Relevant Data
Maximum loading pressure P	Dead load	250N/mm²
Maximum loading pressure P	Dynamic load	140N/mm²
Maximum linear velocity V	Dry friction	2m/s
Maximum linear velocity V	Oil lubrication	10m/s
Highest PV value (dry friction)	Dry friction	3.8N/mm².m/s
Highest PV value (dry friction)	Oil lubrication	60N/mm².m/s
Friction coefficient μ	Dry friction	0.08~0.20
Friction coefficient μ	Oil lubrication	0.02~0.06
Working temperature		-200 ℃~+280 ℃
Thermal Coefficient		40W/m.k
Liner expansion coefficient		12×10^-6/K

◎ Lead-free hydraulic oil pump self lubricating bearing (SF-1TW)

The product is developed according to the high PV value of hydraulic oil pump under special process condition. The product has lower friction coefficient and excellent wear resistance, and can be used in the semi-arid condition. The product is mainly used in medium-pressure and high-pressure gear oil pump, displacement pump and vane pump etc.

erformance Index		Relevant Data
Maximum loading pressure P	Dead load	250N/mm²
Maximum loading pressure P	Dynamic load	140N/mm²
Maximum linear velocity V	Dry friction	2m/s
Maximum linear velocity V	Oil lubrication	10m/s
Highest PV value (dry friction)	Dry friction	3.8N/mm².m/s
Highest PV value (dry friction)	Oil lubrication	60N/mm².m/s
Friction coefficient μ	Dry friction	0.08~0.20
Friction coefficient μ	Oil lubrication	0.01~0.05
Working temperature		-200 ℃~+280 ℃
Thermal Coefficient		40W/m.k
Liner expansion coefficient		12×10^-6/K

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