AOXUAN Double-row Ball Slewing Bearing -021.022. External Gear

Slewing bearings comprise an inner ring and an outer ring, one of which usually incorporates a gear. Together with attachment holes in both rings, they enable an optimized power transmission with a simple and quick connection between adjacent machine components. The bearing raceways, in conjunction with the rolling elements and cages or spacers, are designed to accommodate loads acting singly or in combination, and in any direction.

Double-ROW Slewing Ring - 021.022. External Gear Profile

According to the stress conditions, the upper and lower rows of steel balls with different diameters are arranged. This open type assembly is very convenient. The bearing angle of the upper and lower circular arc raceways is 90 °, which can withstand large axial force and tipping moment.

Double-ROW Slewing Ring - 021.022. External Gear Table

Slewing ring bearings with external gear

Note: Mounting Hole (n - Φ) may be replaced with Screw Hole (n-M). The length of Screw Hole: T. The type of product are as follows: Type 0 (Inner and Outer Ring: Φ), Type 1 (Inner and Outer Ring: M), Type 2 (Outer ring:M, Inner ring: φ), Type 3 (Outer ring:φ, Inner ring: M).

Slewing ring bearings with no gear

Slewing ring bearings with internal gear

Double-ROW Slewing Ring - 021.022. External Gear Features and Benefits

1. N1 is the number of lubricating oil holes. Oil cup M10 × 1JB/T7940.1～JB/T7940.2。 The user can specify the position of the oil hole according to the actual application situation.

2. N - ∅ can be changed to a threaded hole, with a diameter of M and a depth of 2M.

3. The specifications in this sample are standard products, and the inner and outer diameters are free tolerances. If there are matching requirements between the main engine and the slewing bearing, please indicate the matching dimensions and accuracy in the contract or contract attachments (such as technical agreements).

4. The products listed in the table are our company's regular products. If you have any other special requirements, please contact our company.

Slewing Ring Bearings Can Also Be Divided Into Three Different Types

Slewing ring bearings with no gear

Slewing ring bearings with external gear

Slewing ring bearings with internal gear

Double-ROW Slewing Ring - 021.022. External Gear PDF Catalogue

Double-ROW Slewing Ring ( Series 02) - 021 External Gear - AOXUAN Bearings.pdf

Double-ROW Slewing Ring - 021.022. External Gear Application

It is especially suitable for heavy machinery requiring large diameters, such as bucket wheel excavators, wheel cranes, marine cranes, port cranes, steel turntables, large tonnage truck cranes and other machinery.

Double-ROW Slewing Ring - 021.022. External Gear FAQS

1) Are you a trader or a manufacturer?

We are professional slewing bearing manufacturer with more than 20 years experience, and our factory is located in Jiangsu Province.

2) What are the terms of payment?

We usually accept T/T or L/C.Other terms are negotiable.

3) What is your minimum order quantity?

It depends on what you buy. Under normal circumstances, our minimum order quantity is 1 piece.

4) What's your delivery time?

Our lead time is only 3-7 days if stock is available. If it is our standard type, the delivery time is about 25 days, if it is not standard type, the delivery time is 45~50 days.

5) What about quality control?

We have a perfect quality management system to produce perfect products.Responsible for the careful testing of product quality and specifications, monitoring each production process until packaging is completed to ensure product safety into the container.

6) Can you provide special customization according to the working conditions?

Sure, we can design and produce the slewing bearings for different working conditions.

7) Double-ROW Slewing Ring - 021.022. External Gear OEM available

About Factory

Changzhou Aoxuan Heavy Bearing Co., Ltd. is located in Changzhou, Jiangsu Province. It is a high-tech enterprise specializing in research, development, design, manufacturing and sales of slewing bearings. The company covers an area of 32000 ㎡ and a building area of 25500 ㎡. The company has more than 120 sets of various machining equipment and more than 30 advanced testing equipment, The annual output of slewing bearing exceeds 30000 sets.

Changzhou Aoxuan Heavy Bearing Co., Ltd., has been successively recognized as a private science and technology enterprise in Changzhou City, a high-tech enterprise in Jiangsu Province, and a heavy load slewing bearing engineering technology research center in Changzhou City, with rich and sustainable research and development capabilities.

The company continued to strengthen the "industry university research" cooperation, and carried out professional research and cooperation in slewing bearing related fields with colleges and departments of Hehai University, Jiangsu University, Nanjing University of Technology, Luoyang Bearing Science and Technology Research Institute and other universities and industry research institutes.

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