Gold Member Since 2015
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Dalian Running Engineering Co., Ltd.

Slew Bearing, Deck Crane Slewing Ring, Tower Crane Slewing Ring manufacturer / supplier in China, offering China Double-Row Ball Slewing Bearing with High Precision for Crane, High Precise Preload Cross Roller Bearings, Light Weight Series Thin Section Slewing Ring Bearings and so on.

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Supplier Homepage Product Slewing Bearing Others Slewing Bearing China Double-Row Ball Slewing Bearing with High Precision for Crane

China Double-Row Ball Slewing Bearing with High Precision for Crane

FOB Price: US $100-5,000 / Piece
Min. Order: 1 Piece
Min. Order FOB Price
1 Piece US $100-5,000/ Piece
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Production Capacity: 500 Piece/Pieces Per Day
Transport Package: Water-Proof Packing Then in Wooden Cases
Payment Terms: L/C, T/T, D/P, Paypal, Money Gram, Western Union

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Basic Info
  • Model NO.: 020, 021, 022, 023, 024
  • The Number of Rows: Single
  • Material: Manganese, Chrome Molybdenum
  • Load Direction: Thrust Bearing
  • Feature: Internal Gear, External Gear and Nongeared
  • Outside Diameter: 100-5000mm
  • Seals Type: NBR
  • Quench&Temper Hardness: 229hb-269hb
  • Quenched Teeth Hardness: HRC 55+-5
  • Trademark: DRE
  • Origin: Liaoning, China (Mainland)
  • Rolling Body: Ball Bearings
  • Outer Dimension: Small and Medium-Sized (60-115mm)
  • Spherical: Aligning Bearings
  • Separated: Unseparated
  • Bore Size: 80-5000mm
  • Warranty: 12 Months
  • Normalizing Hardness: 206hb-262hb
  • Recaway Hardness: HRC 55-62
  • Rolling Element: Ball
  • Specification: 010, 011, 012, 013, 014
  • HS Code: 848340900
Product Description

1. Descriptions:
The single-row four point contact ball slewing ring is composed of 2 seat-rings.It features compact in design,and light in weight.The balls contact with the circular race at four points,via which the axial force,radial force and resultant moment may be born simultaneously.
The single-row four point contact ball slewing ring has internal gear,external gear and non-gear.


2. Application:
This series of four point contact ball bearings are suitable in many engineering machinery, such as rotary conveyor welding operation machine, small cranes, small and medium-sized excavators and more.


3. Delivery lead time: 
In-stock product in 7 days
Standard product in 30 days
Customized product in 40-60 days
Package: three layers in wood cases
Transportation types: by sea, by air, by courie


4. Materials: 
Materials of rings and rolling parts 
Generally, DRE uses carbon-chromium bearing steel GCr15SiMn or GCr15 for rolling parts and surface-hardened steel 50Mn, 42CrMo, 5CrMnMo for the rings
Material of cages 
The cages for DRE slewing bearings include integral cage, segment cage and spacer-type cage
We use 20# steel or ZL102 birmasil for integral and segment cages, PA 1010 resin or ZL102 birmasil or QA110-3-105 albronze for spacer-type cages
In recent years with continuous development of material industry, nylon GRPA55.25 started to be applied for segment cages
Material of seals 
Generally, DRE uses NBR or VITON for seals
But there still very few slewing bearings DRE manufactured in early period sealing with felted wool


5. Normally we have structure as below: 
Single-row four point contact ball slewing bearings
Single row cross roller slewing ring bearings 
Double-row ball slewing bearings 
Three-row roller slewing ring bearings
We can also supply other types as customers require, if you have any type not listed above, please contact us to see if we can make the production

 
Know More About Our Company
Brief Introduction
Our company is establisted in 1998.We supplied excellent product and service to every user.We have gained ISO9001 certificate for our control of quality. We are specialized in slewing bearing, slew drive, gears and other medium and large size bearing.We can provide our customerss with exact, suitable, economic products also the technical services.Our company website address is www.dlrtr.com.

 
Contact Info:
Carrie Lin
Export Sales
DRE Engineering Co., Ltd
Tel: 0086-411-84618155
Fax: 0086-411-84633077
Mobile: 0086-18041193400
Web:www.dlrtr.com
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