• PRODUCT >> SF-1 Series Bushing
SLS bearing, a professional needle roller bearing and self-lubricating bushing manufacturer in China, is located in Zhejiang province, P. R. China being found since 1991. We can provide thousands of specifications of products, bushing steels, bushing metrics and also can design and manufacture the special or non-standard dimensions or specs of needle roller bearings according to the customer's requirement, drawing, sample. Our products, bushing steels, bushing metrics are widely used in the automobiles, vehicles, motorcycles, engineering equipment, electro-motive tools, textile and printing machinery, and OA equipment etc.
bushing steels
  Introduction
SF-1 is a kind of oilless slide Bushing made of the PTFE composite material,Which is a copper-plateed steel plate on to which a porous
layer of tin bronze powder is sintered and also a mixture of PTFE and
lead are filled into and covered the porous layer by a rolling process.
 
bushing metrics
SF-1
1 PTFE and Lead
2 Tin Bronze Powder
3 Copper layer
4 Steel Back
5 Copper layer
 
  Properties of SF-1, SF-2 bearing materials ...

ItemMeaterial
Compressive strength
Temperaturerange
Coefficient offriction
Widthofwear
PV factor limit
wear Depth Limit
Thermal Comductivity
Coefficient of Linear expansion
(Mpa)
(oC)
(mm)
(Mpa.m/s)
(mm)
Kcal/M.br.C
(peroC)
SF-1
280
-195-+270
<0.20
<5.5
3.6
0.05
2.41
2.7x10.5
 
  TOLERANCE FOR STANDARD BUSH ...
 
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