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@Specific design of sealed-in lubrication maintenance for bearing system in each link makes the complete chain work to its optimum wear life.
@For KMC o-ring chain, superior alloy steel is adopted and heat-treated to provide best performance in strength. In addition, special formulated grease contained by o-ring in the interface between solid bushing and hardened pin keeps giving constant interior lubrication, and extremely enhances the efficiency and effects on friction elimination during operation.
@Least wear results in least stretch in chain, and let prolong its service life 5~10 times than standard chain.

Model
NO.

Pitch
Roller Link Width (Min)
Roller Dia. (Max)
Pin Link
Plate
Thickness
Roller Link
Plate
Thickness
Roller Link
Plate
Height
(Max)
Pin Dia.
(Max)
Over-All Width Riv.
(Max)
Over-All Width Con.
(Max)
Minimum Tensile Strength
Average Tensile Strength

Application (Max)

P
W
D
T1
T2
H
d
L
G
/
/
Displacement
mm
mm
mm
mm
mm
mm
mm
mm
mm
kgf
kgf
cc
428UO
12.7
7.85
8.51
1.8
1.8
12.5
4.51
20.40
22.10
2100
2400
150cc
520UO
15.875
6.25
10.16
2.2
2.2
15.0
5.30
20.95
22.15
3300
3850
400cc
525UO
15.875
7.85
10.16
2.2
2.2
15.0
5.30
22.65
23.85
3600
4000
500cc
530UO
15.875
9.40
10.28
2.4
2.4
15.5
5.40
25.00
26.20
3900
4450
750cc
@

© KMC Chain Industrial Co., Ltd. 2008 Copyright Reserved/ Designed by KMC group