9丨情侣偷在线精品国产_日韩亚洲欧美熟女_免费香蕉视频国产在线看_av超碰在线免费观看_又爽又高潮国产亚洲精品_免费看h免费黄色视_草蹓视频在线观看—国产悠悠_6080新觉伦午夜中文字幕_精品国产三级AV_亚洲资源一区二区

SF-2Y Boundary BearingsZHEJIANG DLG TRANSMISSON TECHNOLOGY CO.,LTD(Zhejiang Fengli Drive Technology Co., Ltd.)

Introduction

SF-2Y Boundary lubrication lead-free bearing is improved on the basis of SF-2. Its performance with SF-2 are the same, but the surface does not contain lead, use the field can be extended to the requirements of environmental protection domain.
At present the product has been applied to import textile equipment, plunger pump swing parts, automobile lever parts such as load, medium speed, grease occasions.
The products have been widely used in the field of automobile chassis, forging and pressing machine, metallurgical and mining machinery, engineering machinery, water, electricity, steel rolling industry.

Technical Parameters

Data Code SF-2Y
Material Steel+Bronze+(POM+Pb)
Applications   Products used in automotive chassis, forging machine tools, metallurgical machinery, mining machinery, water conservancy industry, steel rolling industry.
Max Load Capacity P Static Load N/mm2 140
Dynamic Load N/mm2 70
Max Line Speed V Grease Lubrication m/s 2.5
PV Value Limit Grease Lubrication N/mm2·m/s 2.8
Friction Coefficient u Grease Lubrication 0.06~0.12
Mating Axis Hardness HB >270
Roughness Ra 0.4~1.25
Working Temperature ℃   -60~+120
Thermal Conductivity W/mk   52
Coefficient Of Linear Xpansion   11×10-6/K
In addition to the standard products shown in the catalog, you can also provide non-standard products or order according to customer requirements.