Category

ITEM DESCRIPTION
Package Include:
6 x Track Roller
Application:
For CATERPILLAR CAT 302.4D Excavator UndercarriageSpecifications:
Bottom Roller Weight:15.43 pounds
Package Dimensions:5.51"X5.51"X8.26"
Color:Yellow
Material: 50 MnB Steel
Surface Hardness: HRC52-58, Deepth:5mm-10mm
Finish:Smooth
Technique: Forging and Casting
Description:
1. Wheel body: material 50 Mn, hardening hardness HRC 25-28, CASE hardening hardness HRC 52-56, hardening thickness 5-8mm.2. Side cover: QT 450-10, strength as follows: tensile strength ob (MPa): 2450 yield strength 00.2 (MPa): 2310 hardness: 160 ~ 210 hb.
3. Roller: 45 # carbon steel or 40 Cr. Quenching of HRC25-30 and surface quenching of HRC 52-58. Hardening depth of 2-3mm.
4. Lock pin 65 Mn or 45 carbon steel, hardness HRC 25-28.
5. Bolts, grade 12.9, HRC 45-52.
6. Seal: nitrile rubber. Operating temperature range-20℃ to 110℃.
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.

Payment
- We accept PayPal and major credit cards (Visa, Mastercard, & American Express)
- Immediate payment is required after the purchase
Shipping
- Most of our orders ship within 1 business day of being placed. We ship our products primarily through UPS Ground.
- Delivery is not available to P.O. Box and the states of Alaska, Hawaii or Puerto Rico.
- Most of our products ship UPS Ground or Home, but some larger items (such as rattan furniture sets) do ship UPS LTL (Freight) and can take up to 6 business days to arrive from the time the product ships. These shipments will need to be scheduled for an appointment to deliver by the local UPS facility when it arrives in your area (the appointment will need to be scheduled within three days from their first contact attempt). Someone must be present to take delivery of LTL shipments and sign for the delivery (drivers only offload the product into the driveway; any additional help by the driver including a lift-gate will require an additional charge).
- We can only ship your order to the PayPal verified address given to us at the time you checkout on eBay. Please verify that this address is the correct one you wish to have your package sent to. If an address change is needed you will be responsible for any fees associated.
- If UPS cannot deliver it for any reason (including they cannot reach you with the telephone number provided in the order or there is no phone number in the order), it will be re-consigned back to our warehouse and treated as a refused package where the order will be refunded minus a 20% processing fee.
RETURNS
- All return items MUST be in brand new condition which means the item is never installed and kept in the original packaging, otherwise a 20% restocking fees will be charged.
- We will not send replacement before we get a confirmation from insurance claim or the returned item from customers.
- All shipping and handling fees are non-refundable in any circumstances.
- You agree with the policies and terms stated on this listing by buying or bidding on this item. Please do not buy or bid if you disagree with our policies and terms.
FEEDBACK
- We leave positive automatically by our system after received positive feedback.
- Please contact us if you are going to leave us a neutral or negative feedback, we will try our best to solve the problem.
ABOUT US
About us:
Hoping to bring miraculous changes to your patio?Supernova is here to help turn your patio into an outdoor paradise.
When you relax in your patio with your families and friends after work or at weekends, enjoying the quiet evening or having a garden party, Supernova is definitely your best choice.
The perfect buying experience offers you a uniquelifestyle in outdoor living space. Supernova is a team much more than selling.
Adhering to humanity design, we are dedicated to developing eachof our productsand conveying a strong sense of belonging to our customers. Trust Supernova, trust us.
