GCr15 Cylindrical Roller Bearing 21T-27-71390 for Komatsu Excavator

Komatsu Excavator Bearing 21T-27-71390

Product feature:

Our advantae:

• Made of premium GCr15 bearing steel, high hardness and excellent wear resistance.

• Cylindrical roller structure with strong radial load capacity, ideal for heavy-duty excavator applications.
• Available in precision grades P0/P6/P5, ensuring stable operation and low noise.
• OEM size, perfect fit for Komatsu PC1600/PC1800/PC2000-8 excavators.
• Long service life, rigorously inspected under ZHZB quality control system for reliable performance.
• Prompt delivery with sufficient stock support from ZHZB warehouse.

Production Process

Product Photos

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Factory processing and inventory

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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? 

✬1.Trusted Product

✬2.Advanced Technology

✬3.Reliable Service  

✬4.Competitive price

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.