What are the main applications for this bearing?

It is designed for cranes, excavators, ladle turrets, stacker cranes, and bucket wheel machines.

Does the product come with a centralized lubrication system?

Yes, it can be equipped with a Ruding Steel centralized lubrication system for improved efficiency.

Ex200-3 Slewing Bearings Gear Ring for Hitachi Excavator

Name: Ex200-3 Slewing Bearings Gear Ring for Hitachi Excavator
Brand: Maanshan Kingrail Technology Co., Ltd.
SKU: 2017074862

Anhui, ChinaMaanshan Kingrail Technology Co., Ltd.

US$500.00

1-99 Pieces

US$100.00

100+ Pieces

Sample price:US$1000.00/piece.Request sample

Product profile

Customization

Available

Standard or Nonstandard

Standard

Feature

High Speed, Vacuum, Antimagnetic, Cold-Resistant, Corrosion-Resistant, Heat-Resistant

Model NO.

slewing bearings gear ring

Sealing Gland

Non-Seal

Rolling-Element Number

Multiple-Column

Roller Type

Deep Groove Raceway

Material

Cast Iron

Type

Internal Gear

Application

Ladle Turret, Stacker Crane, Bucket Wheel Machine

Embellish Grease

Ep2 Lithium Lubricating Grease

Gear Type

No Gear, Internal Gear, External Gear

Modulation Hardnes

229-269hb/Customized

Mounting Hole

Through Hole/Tapped Hole

Cage Material

Nylon/ Steel /Copper

Rolling Elements

Steel Ball / Cylinder Roller

Defect Control

Ut, Mt

Transport Package

Wooden Case, Pallet

Specification

yrt50 50x126x30

Trademark

Ruika

Origin

China

HS Code

8482109000

Production Capacity

5000000PCS/Year

Key features

High Carrying Capacity: Designed for heavy-duty mining and excavator applications with high resistance to overturning moments.

Four Point Contact Design: Ensures stability and high load-bearing performance for cranes and excavators.

Multiple Gear Options: Available with No Gear, Internal Gear, or External Gear configurations to fit specific machinery needs.

Customizable Hardness: Modulation hardness can be customized, with standard range of 229-269HB.

Diverse Cage Materials: Cage options include Nylon, Steel, or Copper to match different operational requirements.

Comprehensive Quality Control: Includes UT and MT defect control to ensure high reliability and safety.

Standard Certification: Complies with EN 10204 2.2, 3.1.B, and 3.1.C standards for material verification.

Company profile

Importers and ExportersHigh Repeat Buyers Choice

Maanshan Kingrail Technology Co., Ltd.

Anhui, China

Business Type: Manufacturer/FactoryAverage Response Time: ≤2.35h

AI-Powered supplier vetting

SummaryThe supplier is identified as a trading company with business activities covering metal-product research and development, technical services, key systems and components, railway rolling stock parts, and related equipment sales. It reports ISO 9000 and ISO 9001 certification, OEM service for well-known brands, ODM capability, and broad customization options. Reported production capacity includes wheels, track materials, and metal products, while quality-control and traceability evidence is incomplete. The supplier has one R&D engineer, no new products reported in the past year, no available SDK, and no R&D audit documentation. After-sales service is included in the R&D engineer’s responsibilities, but documented complaint-handling and corrective-action records are absent. No monetary or financial figures are included in this assessment; the available records only identify financial information for three historical years. Overseas service infrastructure is limited, with no overseas agents, branches,...

Supplier typeThe supplier is explicitly classified as a trading company. Its stated activities include metal-product R&D and technical services, as well as sales of key systems, railway rolling stock parts, and related equipment.

CertificationsThe supplier reports ISO 9000 and ISO 9001 management-system certifications. However, quality assurance status is unspecified, and approved-supplier, corrective-action, and complaint-handling records are incomplete or undocumented.

Production capacityReported annual capacity includes 20,000 wheels, 10,000 tons of track materials, and 800 tons of metal products, supported by 11–20 quality-control staff and ISO certifications. However, the supplier states it has no in-stock service capacity, while raw-material traceability and outsourcing controls remain unknown.

Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, and minor customization, and also provides ODM services. These statements directly support broad customization capability.