20T-26-71221 20Y-26-22330 Excavator Bearing heavy machinery spare parts

20T-26-71221 Excavator bearing excavator walking tooth box bearing

Technical Parameters:

Product Description

Bearing Failure Modes:

Excavator bearings can experience different failure modes, including fatigue failure, wear, brinelling (indentations on raceways), corrosion, and damage from external impacts.

Fatigue failure occurs due to repeated loading and unloading cycles, leading to the development of cracks and eventual bearing failure.

Wear can result from insufficient lubrication, contamination, or abrasive particles in the operating environment, causing surface damage to the bearing components.

Brinelling occurs when excessive loads or improper handling cause indentations on the bearing raceways, reducing performance and potentially leading to premature failure.

Corrosion can occur in corrosive environments or due to inadequate sealing, leading to damage and decreased bearing lifespan.

External impacts such as shocks or overloads can cause immediate bearing failure or accelerate fatigue damage.

 
 
Support and Services:

Technical Support and Service for Tapered Roller Bearings We are committed to providing our customers with the best technical support and service for their tapered roller bearing needs. We have a variety of parts and consumable supply options to meet the needs of any specific application. We are committed to providing the highest quality customer service and satisfaction. If you have any questions or need assistance with tapered roller bearings, please feel free to contact us.

Mode of transport ...within 3 days after received the payment , by air or by express or by sea on the basis of thequantity and emergency circumstances.
By Couriers – DHL,UPS, FEDEX, TNT are the main courier companies we are cooperated,
By Air – Delivery from the Guangzhou air port to customer's destination city air port.
By Sea – Delivery from the Huangpu port

 
 
 
 

 
 
 

 
 
 

 
 
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• All product packaging and MOQ will try our best to meet the actual requirements and needs of customers;
• All kinds of express delivery as you choose, whatever by sea, Fed Express, DHL, TNT, EMS or others.