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SF-1P Reciprocating BearingsZHEJIANG DLG TRANSMISSON TECHNOLOGY CO.,LTD(Zhejiang Fengli Drive Technology Co., Ltd.)

Introduction

SF-1P Reciprocating Bearings is based on the SF-1 material, according to the special conditions of reciprocating motion design of the new formula product, its performance and foreign DD2 similar. With oil-off conditions under the self-lubricating ability, wear resistance, and maintain the advantages of a clear oil film, the product can better protect the wear-free surface of the mill shaft.
At present, the product has been widely used in automobile shock absorber, motorcycle shock absorber, all kinds of hydraulic cylinders, hydraulic motors, pneumatic components, and other fields.

Technical Parameters

Data Code SF-1P
Material Steel+BRonze +(PTFE+ Filler)
Applications   The products are mainly used in automobile shock absorber, motorcycle shock absorber, hydraulic cylinder and so on.
Max Load Capacity P (Dry Friction) Static Load N/mm2 250
Dynamic Load N/mm2 140
Oscoillation Load N/mm2 60
Max Line Speed V Dry Friction m/s 2
Oil Lubrication m/s ＞5
PV Value Limit Dry Friction m/s N/mm2·m/s 1.8
Oil Lubrication m/s N/mm2·m/s 3.6
Friction Coefficient u Dry Friction 0.08~0.20
Oil Lubrication 0.02~0.08
Mating Axis Hardness HB ＞220
Roughness Ra 0.4~1.25
Working Temperature ℃   -200~+280
Thermal Conductivity W/mk   40
Coefficient Of Linear Xpansion   11×10-6/K
Outside Surface Plating   copper/tin
In addition to the standard products shown in the catalog, you can also provide non-standard products or order according to customer requirements.