Replacement 9T3873 Tapered Roller Bearing For CAT Excavator Spare Parts

Caterpillar Excavator Bearing 9T3873

• Made of high‑quality bearing steel, excellent wear resistance for heavy load engineering machinery.

• Multiple precision grades P0, P6, P5 optional to satisfy different application demands.
• Direct replacement for original 9T3873, perfect fit for CAT 320B,322B,325B,300B excavator assembly.
• Stable performance under harsh construction site working conditions, long service life.
• Strict production inspection, interchangeable original spare part, cost‑effective aftermarket solution.

• Strict raw material inspection, all bearings adopt GCr15 bearing steel, stable product quality.

• Support small‑batch trial order and bulk wholesale, flexible order quantity for distributors and end‑users.
• Fast delivery cycle, sufficient stock for common excavator & bulldozer bearing models.
• Professional pre‑sales and after‑sales technical support, quick reply for parts model confirmation.
• Competitive factory direct‑sale price, help customers reduce procurement cost.

Production Process:

YOUBETU

Product Photos

ZHZBearing uses qualified GCr15 steel raw material to extend bearing service life in harsh engineering machinery environments.

ZHZB strict inspection before delivery, reliable quality

ZHZB provides cost‑effective excavator spare parts for Caterpillar machinery repair and maintenance.

Reluted Produts

Factory processing and inventory

Professional charging station logistics | Full range of specifications, rapid response

We support export and accept customization. Global customers are welcome!

Bearing inspection

We place great emphasis on quality control and have established a comprehensive quality inspection system. From raw material warehousing to delivery, every purchase and every bearing undergoes rigorous inspection and testing to ensure that we provide our customers with stable, reliable, and standard-compliant products.

Participating in the 2024 Shanghai bauma Exhibition

At ZHZB, we operate with a comprehensive quality control system at its core. From raw material inspection upon arrival to final product delivery,
every sensor undergoes 100% inspection and accuracy verification, strictly adhering to ISO 9001 and other international standards.
This ensures that we provide reliable bearing components for high-end equipment in industries such as mining, road construction, and wind power.

Delivery：

1.We will send express delivery for less than 45 kg, which is more convenient door-to-door

2.45-200 kg we will choose air transportation, the safest, fastest, and the most expensive

3.For more than 200 kg, we will send it by sea to reduce transportation costs

Why choose us? 

FAQ

Q1: I want to buy your products, how can I pay?

A: You can contact me through Whatsapp to send bank account to you.

Q2: If we don't find what we want on your website, what should we do?

A: You can email or Whatsapp us the descriptions and pictures of the products you need, we will check whether we have them. We develop new items every month. and some of them have not been uploaded to website in time. Or you can send us sample by express, we will develop this item for bulk purchasing.

Q3: Can we buy 1 pc of each item for quality testing?

A: Yes, we are glad to send 1 pc for quality testing if we have the item you need in stock

Warranty

1. Warranty period:A 3-month warranty period is provided for the product from the date of arrival. After the customer arrives, the items should be checked against the order list. Contact us and provide any possible data on the item in question.

2. You need to pay the replacement costs in the following situations:

* Wrong orders from customers.

* Any force majeure causes damage.

* Wrong installation.

* Overtime and overload work on parts.

* Lost due to any circumstances.

* Human factors are destroyed.

* Rust and corrosion during storage and operation.

* The warranty has expired.

3. Other

This kind of product is easy to rust, please pack it and store it properly.