Shipyard Cranes 13 Series Crossed Roller Bearings Three Row Roller Slewing Bearing

1. Main types

1). Single row ball slewing bearing

2). Single row cross roller slewing bearing

3). Double row ball slewing bearing

4). Three row roller slewing bearing

5). External teeth slewing bearing

6). Internal teeth slewing bearing

7). Non teeth slewing bearing 

Standard: JB/T10839-2008  and  JB/T2300-1999

2. Nonstandard slewing bearings are provided as per clients’ special needs.

3. High precision CNC machine tools used in the whole manufacturing process-gear processing, drilling, quenching,grinding etc, to guarantee the product accuracy and strict quality standard.

4. Checking&recording computer acquisition system can trace the whole manufacturing process and fast&convenient information checking function.

5. Slewing bearing sizes range from 120  to 4272 mm.

1. Bearing surface is covered with the anti-rust oil first;and then wrapped with the plastic film;

2. With kraft paper and professional belts.

3. At last ,with the wooden box totally at the outer packing to invoid the rust or the moist.

4. Or we can depend on the customers' demand to be packed

1. We will take pictures of whole process of loading products into the container.
2. Shipping port is Shanghai, Nanjing, Wuhu, Ningbo etc or as per client’s requirements.

About samples:

(1)Sample charge: According to sample weight and express cost.

(2)Leadtime: Around 7 days after receiving payment.

(3) For some samples, will be free, but shall be confirmed after you inquire of us.

Our service:

      1. customers’ design is available

      2. Small sample is free

      3. All questions will be replied in 24 hours

      4. The most professional and sale team can give you the most professional on the products

          after-sale service

     5. the goods stored guidance

     6. Seller is responsible for damages of goods resulting from defect of packing or rust.

Please contact me by email:  ben(at)

What is your minimum order requirement?
Generally our clients would like to order at least 10 metric tons. But if client wants to order fewer for sample to check our product’s quality and then will order larger quantity, then it will be also ok for 1 metric ton at least.

Can I negotiate the price?

Yes, sure.  we may consider discounts for large order quantity. And we have some discount season each year which you can enjoy a favorable discount for our products! We will keep you noted about the discount season!

How long will it take to finish my order?
This depends on the quantity of the order. After we confirm all of your requirements, we will make a production schedule. Generally we have a shorter delivery time than any other suppliers.

Do you provide some cheap steel wires / galvanized steel strand / steel ropes samples?
Yes, sure. We can supply samples for your check of quality.

How much will the shipping charges be?
This will depend on the product quantity and shipping way. We communicate with clients first about the detailed information such as the models and quantity, your favorable method of shipping, (by air or by sea,) and your designated port or airport, and then will provide clients a confirmed shipping charges.

Can you give warranty of your products?
Yes, we extend a 100% satisfaction guarantee on all items. Please feel free to feedback immediately if you are not pleased with our quality or service. For the overseas orders, we guarantee most accessories. Provided emails with details including pictures or short video, we will send guide manual or replacements at our cost to repair. 

Can I visit you?
Yes sure. Please kindly let me know your visit schedule in advance so that we can tell you our factory address and the nearest airport to our factory. And we will arrange driver to pick you up at the airport.

How can I know how my order is being done?
We will inspect and test all items in order to avoid damage and missing parts before shipping. The detailed inspection pictures of the order will be sent to you for your confirmation before delivery.