Bearing 21M3811570 for Komatsu PC650

Bearing 21M3811570 for Komatsu PC650

  Specification

Product features:
1. Special needle roller bearings for construction machinery and equipment
2. High precision
3. Low operating noise
4. High speed, high radial load carrying capacity

Our advantage:
100% factory quality inspection;
Allow small orders;
Faster delivery time;
Higher cost performance;
With many domestic and foreign partners, absolute quality assurance;
Professional manufacturer of needle roller bearings. Have many years of manufacturing experience

Product Photos

ZHZB with smoother rotation.with less noise.

This produst has a long service life due  tois durable construction

Our product provides great value for money

Any other parts for the final drive gearbox system you need pls search from below picture and form list then mark to me we will quote to you

Reluted produts

Factory processing and stocking

Company

ZHZB Mission:We are committed to providing bearing component solutions for all construction machinery and equipment!!!

ZHZB was established in 2004 and has been committed to the development and production of engineering machinery bearings. Our products are widely used in mining equipment, road machinery, metallurgy, wind power generation, excavators and other heavy equipment and have been well received by customers!

Packaging

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 lpc 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.