SF-2X Marginal Lubricating Bush |
Metallographies Structure |
|
|
1.POM with lead
0.3~0.5mm
2.Porous bronze 0.2~0.3mm
3.Steel backing 0.4~2.2mm
4.Copper plating 0.008mm
|
Introduction: |
SF-2Y Non-lead
boundary lubrication bearing is improved on the basis of sf-2X.It can be
applied to the field where non-lead is required.Now it's widely used in textile
machines,auto operating parts and other middle speed,middle load and grease
lubrication occasions.
|
Technical : |
Load capacity:
70N/mm2
Temperature:-o40+o130 oC
Speed limit: 2.5m/s
Friction coef(u): 0.05~0.25
PV LIMIT(Dry): 2.8N/mm2 .m/s
PV LIMIT(Oil): 22N/mm2 .m/s
|
|
SF-2Y CHEMICAL CHARACTERISTICS |
Type
|
In Air
|
In Vacuum
|
In water
|
In Vapor
|
Weak Acid
|
middle Acid
|
Strong Acid
|
In Alkali
|
SF-2y
|
OK
|
OK
|
OK
|
OK
|
BAD
|
NO
|
NO
|
OK
|
|
MMD-10 Friction&Wear Test |
Type
|
Time
|
Test Condition
|
Friction coef(u)
|
TEMP.
(°C)
|
Wear
(mm)
|
Lubricate
|
Speed
|
Drang
|
SF-2y
|
3hr
|
grease
|
0.4m/s
|
3.5N/mm2
|
0.088
|
53
|
0.01
|
|
