2021 High quality Roller Assy Low - Excavator undercarriage part EC290 track/bottom roller made in china – Heli
2021 High quality Roller Assy Low - Excavator undercarriage part EC290 track/bottom roller made in china – Heli Detail:
roller shell material:50Mn/45#
surface hardness:HRC48-58
Quench depth:>8mm
Roller shaft material:45#
Surface hardness:HRC48-58
Quench depth:>3mm
Collar material:QT450-10
Weight:53.5kg
Installation size:320mm,112mm
Features and requirements
The function of the track roller is to transmit the weight of the locomotive unit to the ground and roll on the track. In order to prevent derailment, the track roller should also be able to prevent the crawler from causing lateral relative movement to it.
track roller often work in mud, water, ash and sand, and bear strong impacts. The working conditions are extremely bad and the rims are easy to wear.
The requirements for the track rollers are: wear-resistant rims, reliable bearing seals, and low rolling resistance.
TRACK ROLLER |
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KOMATSU |
PC30 |
CAT |
E324 |
DOOSAN |
DH220-9 |
SUNWARD |
SUNWARD50 |
806 |
|
|
PC40 |
|
E324 |
|
DH300 |
|
SUNWARD60./65 |
LIUGONG |
LIUGONG906 |
|
PC45 |
|
E325/325 |
|
DH360/400 |
|
SUNWARD70 |
|
LIUGONG150 |
|
PC50uu |
|
E330 |
|
DH500 |
|
SUNWARD230 |
|
LIUGONG200/925 |
|
pc55/pc50/PC56 |
|
E345 |
HYUNDAY |
R55 |
KUBOTA |
KUBOTA35 |
|
LIUGONG936 |
|
PC60-6 |
|
E350 |
|
R60/R60-5/-7 |
|
KUBOTA60/50/55 |
|
YANMAN55 |
|
PC60-7 |
|
E375 |
|
R80 |
|
KUBOTA85 |
|
YANMAN75 |
|
PC60-7 |
|
E385 |
|
R130/R150 |
|
KUBOTA161 |
|
ZY200 |
|
PC100 |
|
E390 |
|
R200/225-7 |
|
KUBOTA155 |
|
ZY300 |
|
PC200 |
KOBELCO |
SK55 |
|
R275-9 |
|
|
|
JCB8056 |
|
PC300/-5 |
|
SK60-3/5 |
|
R290/R305 |
|
TAKEUCHI150 |
|
JCB220 |
|
PC400/PC450 |
|
SK60-8 |
|
R370 |
|
TAKEUCHI160/TAKEUCHI60 |
|
60 |
|
PC650-8 |
|
SK100 |
|
R485 |
|
TAKEUCHI171/175 |
|
65/60 |
|
PC650-5/750 |
|
SK140 |
YUCHAI |
CY35 |
CASE |
CASE35 |
|
Ishikawa island50/60 |
|
PC800 |
|
SK200 |
|
CY60 |
|
CASE55 |
|
210 |
|
PC1250 |
|
SK230 |
|
CY85 |
|
CASE75 |
|
60 |
HITACHI |
EX55 |
|
SK270 |
|
CY135 |
|
CASE360 |
|
85 |
|
EX60 |
|
SK330/SK350 |
VOLOV |
EC55B |
RAY WALTER |
RAY WALTER60 |
|
Ishikawa island100 |
|
ZAX70/EX70 |
|
SK450/460 |
|
EC80 |
|
RAY WALTER85 |
|
Ishikawa island50/60 |
|
EX100 |
SUMITOMO |
SH60 |
|
EC140 |
|
RAY WALTER150 |
|
Ishikawa island135 |
|
EX200-2/-5 |
|
SH120 |
|
EC210 |
LIEBHERR |
LIEBHERR914 |
|
60 |
|
EX300 |
|
SH120A3 |
|
VOL210(NEW) |
|
LIEBHERR924 |
|
XCMG370 |
|
ZAX330 |
|
SH200/SH280 |
|
EC290 |
|
LIEBHERR944 |
|
XCMG700 |
|
EX400/DX380 |
|
SH220 |
|
VOL290(NEW) |
|
LIEBHERR944SME |
|
CX800 |
|
EX550 |
|
SH300SH340 |
|
EC360 |
|
LIEBHERR974 |
|
SWZ216D |
|
ZAX650 |
|
SH350 |
|
VOL360(NEW) |
SANY |
SANY65 |
||
|
ZAX750 |
|
SH450 |
|
EC460 |
|
SANY215 |
||
|
ZAX870 |
|
SH460 |
|
EC700/ex800 |
|
SANY335/365 |
||
|
EX1100 |
DAEWOO |
DH35 |
KATO |
HD250/HD307 |
|
SY405 |
||
|
EX1200-6 |
|
DH55/DH60 |
|
HD450 |
|
SY465/485 |
||
CAT |
E305.5/E55 |
|
DX60 |
|
HD770/HD700 |
|
8360 |
||
|
E70B/E307 |
|
DX60-9 |
|
HD1023 |
|
8330 |
||
|
E70B |
|
DH80 |
|
HD1250/1430 |
|
8250/8220 |
||
|
E312/E100 |
|
DH130/150 |
|
HD2045 |
|
815 |
||
|
E320/E200B |
|
DH220 |
SUNWARD |
SUNWARD50 |
|
808 |
Product detail pictures:



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Responsible excellent and fantastic credit rating standing are our principles, which will help us at a top-ranking position. Adhering towards the tenet of "quality initial, buyer supreme" for 2021 High quality Roller Assy Low - Excavator undercarriage part EC290 track/bottom roller made in china – Heli , The product will supply to all over the world, such as: Jeddah, South Korea, Zurich, Providing Quality Products, Excellent Service, Competitive Prices and Prompt Delivery. Our products are selling well both in domestic and foreign markets. Our company is trying to be one important suppliers in China.

The company leader recept us warmly, through a meticulous and thorough discussion, we signed a purchase order. Hope to cooperate smoothly
