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Heavy Duty Three Row Roller Slewing Ring Internal Gear for Tower Crane
Product Spotlights
Three row roller design for maximum load capacity in tower cranes. Internal gear with high precision and durability. Customizable dimensions (OD 500-5000mm, module 8-30). Direct factory from Henan San Kuang Machinery, serving global markets with reliable quality, competitive pricing, and flexible customization.
Negotiable
MOQ: 1 Piece (Price negotiable depending on order volume and customization)
Key Specifications
Get Latest Price
Type:
Other, Three row roller slewing ring
Material:
Other, 50Mn / 42CrMo (customizable)
gear type:
Internal gear
Payment & Shipping
Payment Methods:
Port of Shipment:
China
Delivery Detail:
Delivery time depends on order quantity.
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Type
Other, Three row roller slewing ring
Material
Other, 50Mn / 42CrMo (customizable)
gear type
Internal gear
outer diameter
500 mm - 5000 mm (customizable)
gear module
8 - 30 (upon request)
number of teeth
Customizable
rated load capacity
From 100 kN to 10,000 kN
application
Tower crane, excavator, port machinery
rotational accuracy
Standard or high precision (available upon request)
As a professional manufacturer with over 51-100 experienced employees and a factory spanning 10,000-30,000 square meters, Henan San Kuang Machinery Technology Co., Ltd. delivers robust Heavy Duty Three Row Roller Slewing Rings with Internal Gear specifically engineered for tower cranes. Our product stands out for its exceptional load-bearing capacity, reliability under harsh conditions, and precision gear engagement. With an annual export value exceeding US$2.5 Million, we serve clients across North America, South America, Europe, Southeast Asia, Africa, Oceania, and the Middle East. This slewing ring is the core rotating component of your tower crane, ensuring smooth and safe operation.
Product Characteristics & Advantages
- Three Row Roller Design: Three independent rows of rollers (main load row, auxiliary row, and thrust row) distribute axial, radial, and tilting moment loads efficiently, offering superior stability compared to single or double row designs.
- Internal Gear Configuration: The internal gear is precisely cut and heat-treated to ensure high wear resistance, low noise, and smooth power transmission. Suitable for direct integration with the crane's pinion system.
- Heavy Duty Construction: Manufactured from high-quality alloy steel (50Mn/42CrMo), with induction hardening of raceways and gear teeth, providing long service life under extreme loads of up to 10,000 kN.
- Customizable Dimensions: Outer diameter ranges from 500 mm to 5000 mm, with gear module options between 8 and 30. Specify your tooth number, mounting hole pattern, and seal type as needed.
- High Precision: Our CNC machining centers and specialized heat treatment processes guarantee tight tolerances. Options for standard or high rotational accuracy are available.
- Durable Sealing: Equipped with rubber or metal labyrinth seals to protect against dust and moisture, ideal for outdoor tower crane environments.
- Easy Maintenance: Designed with lubrication holes for easy grease refill, extending the bearing's life and reducing downtime.
Technical Specifications (Typical Parameters)
| Outer Diameter (mm) | 1000 | 2000 | 3000 |
| Inner Diameter (mm) | 600 | 1300 | 2000 |
| Number of Rollers (rows) | 3 | 3 | 3 |
| Gear Module | 12 | 16 | 20 |
| Dynamic Tilting Moment (kN·m) | 500 | 2000 | 6000 |
| Weight (kg) | 350 | 1200 | 2800 |
Note: Parameters are customizable. Contact our engineering team for specific requirements.
Why Choose Our Heavy Duty Slewing Ring?
- Superior Load Distribution: Three row roller design significantly reduces stress concentration, enabling the slewing ring to handle extreme loads and harsh dynamic conditions common in tower crane applications.
- Longer Service Life: Our heat treatment process and precise grinding of raceways result in hardness uniformity and minimal wear, extending bearing life by up to 30% compared to standard designs.
- Cost-Effective Solution: Direct factory pricing eliminates middlemen costs. With a dedicated R&D team and efficient production, we offer high quality at competitive prices.
- Flexible Customization: Any dimension, gear parameter, seal type, or mounting configuration can be tailored to match your tower crane model. Small MOQ orders are also accepted.
- Reliable Supply Chain: We ship from multiple ports (Shanghai, Lianyungang, Qingdao, Tianjin) with professional packaging to ensure safe delivery worldwide.
Trust & Credibility
Since our establishment in 2022, Henan San Kuang Machinery Technology Co., Ltd. has rapidly grown into a trusted partner for global construction machinery manufacturers. Our factory covers 10,000-30,000 m² and is equipped with advanced CNC machining centers, induction hardening machines, and complete inspection equipment. With 51-100 skilled employees and an annual export value of US$2.5M - US$5M, we have successfully delivered slewing rings to over 20 countries across North America, Europe, Asia, Africa, and Oceania. Every product undergoes rigorous quality checks including geometry measurement, hardness testing, and load simulation. We stand behind our products with a comprehensive warranty and responsive technical support.
Contact us today to discuss your tower crane slewing ring requirements. Our team will provide a customized solution and competitive quotation within 24 hours. Experience the quality and reliability of Henan San Kuang!
Frequently Asked Questions (FAQ)
-
Q: What is the typical delivery time for a heavy duty three row roller slewing ring?
A: Delivery time depends on customization complexity. For standard sizes (outer diameter up to 2000 mm), it is approximately 20-30 days after order confirmation. Custom large diameters may require 35-45 days. We always confirm exact lead time before order. -
Q: Can I get a sample slewing ring for testing before mass production?
A: Yes, we accept sample orders. The sample cost is negotiable and will be deducted from future bulk orders. Lead time for samples is typically 15-20 working days. -
Q: Do you provide technical drawings or 3D models?
A: Yes, we can provide 2D drawings and 3D step files for your review before production. Our engineering team will also assist with design optimization. -
Q: What types of sealing options are available?
A: Standard options include double-lip nitrile rubber seals and metal labyrinth seals. For extreme environments, we can supply polyurethane seals or customized solutions upon request. -
Q: How is the slewing ring shipped and what port is used?
A: We use standard export wooden crates with proper fixing and rust protection. We ship from major Chinese ports including Shanghai, Lianyungang, Qingdao, and Tianjin. Shipping method can be sea, air, or express as per customer preference. -
Q: What is the warranty period for your slewing rings?
A: We offer a standard warranty of 12 months from the date of shipment, covering any manufacturing defects. Extended warranty options are available upon request. -
Q: Can you produce slewing rings according to our specific gear module or tooth profile?
A: Absolutely. We customize gear parameters (module, number of teeth, profile shift) to match your design. Our hob cutters can handle module 8-30, and profile modifications are possible. -
Q: Do you have any certificates for quality management?
A: We operate under strict internal quality control standards. Specific certifications can be discussed based on your market requirements – please contact our sales team for details.
Send Inquiry to This Supplier
1Yr
Business Type
Manufacturer
Year Established
2022
Factory Size
10,000-30,000 square meters
Annual Export Value
US$2.5 Million - US$5 Million
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