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External Gear Slewing Ring Bearing for Tower Crane
US$500.00
1-99 Pieces
US$100.00
100+ Pieces
Sample price:US$1000.00/piece.Request sample
Product profile
Customization
AvailableStandard or Nonstandard
StandardFeature
High Speed, Vacuum, Antimagnetic, Cold-Resistant, Corrosion-Resistant, Heat-ResistantModel NO.
External Gear Slewing Ring BearingSealing Gland
Non-SealRolling-Element Number
Multiple-ColumnRoller Type
Deep Groove RacewayMaterial
Cast IronType
Internal GearApplication
Ladle Turret, Stacker Crane, Bucket Wheel MachineEmbellish Grease
Ep2 Lithium Lubricating GreaseGear Type
No Gear, Internal Gear, External GearModulation Hardnes
229-269hb/CustomizedMounting Hole
Through Hole/Tapped HoleCage Material
Nylon/ Steel /CopperRolling Elements
Steel Ball / Cylinder RollerDefect Control
Ut, MtTransport Package
Wooden Case, PalletSpecification
yrt50 50x126x30Trademark
King SteelOrigin
ChinaHS Code
8482109000Production Capacity
5000000PCS/YearKey features
Wide Size Range: Available in sizes from 60mm to 4000mm for diverse applications.
Customizable Hardness: Modulation hardness adjustable from 229-269HB to meet specific needs.
Multiple Gear Options: Offering No Gear, Internal Gear, and External Gear configurations.
Diverse Cage Materials: Cage options include Nylon, Steel, and Copper for various conditions.
Custom Rolling Elements: Available with Steel Balls or Cylinder Rollers based on requirements.
Custom Mounting Holes: Options for Through Hole or Tapped Hole mounting configurations.
ISO9001 Certified: Manufacturing process certified under ISO9001:2015 standards.
Custom Design Service: Full design capability to match customer specifications and requirements.
Company profile
Business Type: Manufacturer/FactoryAverage Response Time: ≤2.27h
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.
Product Q&A
Q:What materials are used for the tower crane slewing bearing?
A:
The bearings are made from 42-42CrMo, 40-40Cr, or 50-50Mn materials.
Q:What is the hardness of the bearing?
A:
The hardness ranges from 55-62HRC, with modulation hardness customizable between 229-269HB.
Q:Can the bearing be customized?
A:
Yes, we can design tower crane bearings according to customer requirements and specifications.
Q:What gear options are available?
A:
We offer External Gear, Internal Gear, and No Gear options.
Q:What is the lead time for production?
A:
The average lead time is 1-3 months for both peak and off-peak seasons.
Send Inquiry
*To:
Maanshan Kingrail Technology Co., Ltd.
Maanshan Kingrail Technology Co., Ltd.*Content:
Supplier replies will be sent to your registered email
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