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SF-2Y MARGINAL LUBRICATING LEAD-FREE BUSHING


Structure


1.POM with lead 0.3~0.5mm
2.Porous bronze 0.2~0.3mm
3.Steel backing 0.4~2.2mm
4.Tin-plating 0.005mm or copper plating 0.008mm
SF-2Y non-lead boundary lubrication bushing is improved on the basis of SF-2.therefore, if almost has the same properties with SF-2, but its application can be extended to where non-lead is required.

Tech.data
Load capacity 140N/m㎡
Temperature limit -40℃~＋130℃
Speed limit 2.5m/s
Friction clef 0.05-0.25
PV limit (dry) 2.8N/m㎡.m/s
PV limit (oil) 22N/m㎡.m/s

Chemical characteristics
in
air
in
acuum
in
water
in
vapor
weak
acid
medium
acid
strong
acid
in
alkali
OK
OK
OK
OK
BAD
NO
NO
OK

Physical characteristics
load capacity
PV　limit
speed limit
(inoil)
m/s
Temp. limit
(℃)
friction coef.
thermal
conductivity (WMK)
linear
expansion
static N/m㎡
dynamic N/m㎡
oscillating N/m㎡
oil
N/m㎡
.m/s
dry
N/m㎡
.m/s
250
140
60
22
2.8
2.5
-40~
+130
0.05-0.2
13
11﹡10﹣6﹡K﹣1


 

Copyright 2004, All rights reserved. Tengfei Oilless Bearing Factory.
Factory Address: Fanxing Road, Fanjing Industrial Garden, Ganyao Town, Jiashan,Zhejiang,China.
Export Department Address:Unit 219, Yugu Road 147,Hangzhou, China.
Tel:86-571-87510719 Fax:86-571-87951484 Email:sales@tf-bearing.com