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Pls check the item pictures and size to get the suitable items.
Application:
For Kubota U55-4 Excavator Undercarriage
Specifications:
Item Package Quantity:1x Bottom Roller
Color: Black
Material: 50 MnB Steel
Surface Hardness: HRC52-60, Deepth:5mm-10mm
Finish:Smooth
Technique: Forging and Casting
Track Roller Features:
1. Wheel body:
forged from 50Mn round steel with good hardenability. The heat treatment process of quenching and tempering and medium frequency surface quenching ensures its strength and wear resistance.
two pieces roller shell rim. Heat treated shells for body strength and longer wear life.
Heat treated for a deep uniform hardened depth that provides wear life equal to link wear life.
2.Roller shaft:
shaft and bearing designed to carry and turn with heavy track weight forged and heat treated for strength.
Bearing surfaces are hardened and polished to reduce friction and wear
Center flange absorbs side thrust from roller shell.
3.Cast Iron bushing:
Supports the bronze sleeve bearing.
Cast from iron to absorb loads without permanent deformation.
Large lubricant reservoir to reduce heat build up
4.Bronzed sleeve bearing:
Sleeve design provides a large surface area for better load distribution.
Inner diameter surface is polished to a smooth finish.
Soft bronze coating in the bearing absorbs any small foreign particles before they can damage the shaft and seals.
PLS NOTE:
Please make sure it will fit your machine before purchasing.
If product is defective or damage upon arrival, or wrong product shipped, please contact us immediately.
Returns are accepted within 30 days.
All items must be brand new, unused, in original packaging without any signs of use or install for a return/refund to be given.
Please contact us firstly if you want to return. So we could help you solve the problem well.



Car_part_accessories is an eBay seller specializing in auto parts manufacturing. Our goal is: continue to bring better products to customers!!! We have our own production line and more than 20 years of mature production experience. Items include automobile / truck radiators, ATV radiators, intercoolers, control arms, hub bearings, wheel spacers, overflow tank, exhaust pipe hose, silicone hoses, etc.
We will very appreciate if u can CONTACT US FIRST instead of opening return request if u got wrong or damaged or something does't fit your car / bike, we will check first and offer u acceptable solution, we are the seller who always stand behind our customers, Thank you for choosing us, hope u have a great day~
About us:
We are an eBay seller specializing in auto parts. We have our own production line and more than 20 years of mature production experience. It mainly sells all kinds of automobile / truck radiators, ATV radiators, Intercoolers, pipe kits,, silicone hoses, overflow tanks, etc. We sell auto parts of various models, such as Ford, Chevrolet, Dodge, Jeep, Land Rover, GMC, Nissan, etc.
If you are not sure whether the products are suitable, you can communicate with us. In addition, feedback is very important to us. If you have any questions about the goods, please contact us and we will solve the problem for you at the first time. If you are satisfied with our service, please give us confirmation and thank you very much for choosing car_part_accessories.