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          Item specifics:
Compatible Equipment Make: Neuson
Model: 3503
Part Type: Bottom Roller
Compatible Equipment Type: Excavator
Description：
Features: 1.This bottom roller is a durable undercarriage replacement part for your excavator.
2.Our rollers utilize special high strength-hardened steel and quality seal groups that provide excellent lubricating oil retention.
3.Sealed bearings stop dirt, mud, and grime from penetrating inner components.
4.It was designed and manufactured to exact OEM specifications using a high-quality, high-strength steel.
5.It will provide long-lasting and dependable performance even if you operate in the most extreme conditions.
PLS NOTE:
1. Please make sure it will fit your machine before purchasing it. If you are not 100% sure this is what you need, please find out your engine model, series number and contact our Customer-service.
2. Communication is the best way to solve the problem. If you have any problems after you
receive the package, please contact us in time, before opening a return or case.
3.If product is defective or damage upon arrival, or wrong product shipped, please contact us immediately. Returns accepted within 30 workdays of delivery date and item must be in original new condition, not worn or altered in any way with attached tags & wrap.
1.Most of our orders ship within 1 business day after payment received. (Except the pre-sale products and special cases) 2.Most of our products ship UPS Ground , and we will provide the most reliable, preferential shipping service for you, if you do not receive your products on time, please contact us immediately, we will solve your problem as soon as possible. 3.All items will be shipped to the PayPal verified address given to us, please verify your address before your purchase. - Note : Delivery is not available to Alaska/Hawaii, US Protectorates, APO/FPO, Africa, Asia, Central America and Caribbean, Europe, Middle East, North America, Oceania, Southeast Asia, South America, PR, PO Box WE ACCEPT THESE PAYMENT METHODS: PAYPAL /VISA / MASTERCARD / AMERICAN EXPRESS / DISCOVER
60 Days Free Return, please notify us within 60 days after you've received your product. Items to be returned must be in resalable condition. Return Check List Original packaging PartsHawk RMA (return merchandise authorization) form All accessories & hardware.. Your warranty lasts for one year from the delivery date of your item. It covers functionality problems that occur with the auto part as a result of manufacturing. It does not cover damage caused by improper installation; by accidents or damage sustained after installation; or by negligence in maintaining the part after installation. If for any reason you are not satisfied with your purchase, please contact us to resolve any problem before leaving negative feedback, we will do our best to satisfy each customer. We are happy to exchange positive feedbacks. Please leave us all positive feedbacks and all "5 Star" ratings, we will do the same to you. Please do not leave us any negative or neutral feedbacks before contacting us to solve the problem. It won't help you solve the problem any faster by leaving negative feedbacks, only by contacting our professional customer suppport can help you solve the problems. Got any questions about this listing or the product that you've already purchased? Please feel free to contact us by using ebay message, we open Monday-Friday 9:00am-6pm ( GMT+8 ) and also please notice that might be some delay during Weekens and holidays. Copyright All Rights Reserved.
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Description：
1. Shell
Material 50Mn, through hardened HRC 25-28, CASE hardened HRC52-56, hardened thickness 5-8mm.
2. Side cover : QT450-10.
Strength is as follows
Tensile strength σb (MPa): ≥450
Yield strength σ0.2 (MPa):≥310
Hardness:160 ~ 210 hb
3. Roller, 45# carbon steel or 40Cr, quenched HRC25-30, surface quenched HRC52-58, hardened to a depth of 2-3mm.
4. Locking pin, 65Mn or 45 carbon steel, hardened HRC25-28.
5. Bolt, grade 12.9, HRC45-52. 6.
6. Seal: Nitrile rubber. Operating temperature range -20℃ to 110℃.
Features: