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This small internal gear slewing bearing is a professional rotary load-bearing component customized for large stacked metal sculpture installations. Installed between layered steel plates of the sculpture, it bears the overall vertical load of the multi-layer metal structure and supports stable 360° low-speed rotation of the entire sculpture column.
Order(MOQ) :
1 piecePackage :
plywood pallet/caseSingle-row ball slewing bearing
Adopting an integrated internal gear structure, all transmission gears are built into the slewing bearing inner ring. This design does not occupy the narrow central hollow cavity of the sculpture, perfectly saving the space of hollow stacked art structures. Its compact slim profile matches our supporting split flange base precisely, forming a complete and stable rotary load-bearing system.
Features & Performance Advantages
Integrated internal gear space-saving design: the internal gear transmission structure integrates driving teeth inside the bearing ring, avoiding external gear protrusion. It greatly saves internal installation space and maintains the overall minimalist and artistic appearance of stacked metal sculptures without damaging the visual integrity of the installation.
Strong Load-Bearing & Anti-Overturning Performance: adopting a single-row four-point contact ball structure, the slewing bearing withstands heavy axial load, radial load and overturning moment. It effectively resists lateral wind force on high-rise stacked sculptures, preventing shaking and structural deformation during long-term outdoor operation.
Specification
| Material | 50Mn/42CrMo/other steel | Lubrication | grease |
| Diameter range | 200mm-6000mm | Package | plywood pallet/case |
| Gear type | external gear/internal gear/no gear | Shipping way | sea/air/railway |
| Hardness | HRC53±3 | Port | Shanghai/Guangzhou/named port |
| Precision grade | standard/high precision | Product orginion | China |
Moments of our factory
Why Choose Us
High load capacity, wear resistance & long service life
Strict dimensional tolerance, smooth rotation
Customization drawings / OEM / ODM available
Direct factory price, stable delivery
Complete inspection & test report before shipment
Suitable for heavy-duty engineering & harsh working environment
After Sales Service
Tailored product according to your drawings or samples
Professional technical support anytime
Strict quality inspection & full set of shipping documents
Fast delivery & safe packaging (plywood pallet/case)
One-year quality warranty
FAQ
1. How does your company ensure the hardness of slewing bearings ?
Generally, we buy standard-compliant steel materials with heat treatment; we ensure that the raceway undergoes integral induction hardening with a certain hardened layer, while the tooth surface and root are precision hardened for exceptional wear and impact resistance according to the buyer's demand. This design greatly extends the service life of this slewing bearing under continuous cyclic operation.
2. How can we get the correct drawing?
We provide one-on-one structural optimization according to client sculpture drawings. All dimensions and gear parameters can be perfectly matched with our split flange base to achieve coordinated installation and stable operation.
This small internal gear slewing bearing is a professional rotary load-bearing component customized for large stacked metal sculpture installations. Installed between layered steel plates of the sculpture, it bears the overall vertical load of the multi-layer metal structure and supports stable 360° low-speed rotation of the entire sculpture column.
This kind of slewing bearing is a highly specialized single-row four-point contact ball slewing bearing, engineered exclusively for small hydraulic excavators and matched compact construction machinery.
Four point contact ball slewing ring bearing has many different standards for rotational applications, such as mini excavators, tower cranes, truck cranes, and aerial work platforms.
Single-row ball slewing bearing as the most widely used slewing bearing, has a single row of balls that contact the raceway at four points. This structure allows it to handle forces from multiple directions all at once. It is popular for medium-load applications, such as infrastructure construction, mining excavation, cranes, concrete pumps, and other medium-duty construction scenarios.
Single-row ball slewing bearing has two rings (inner and outer) with a single row of steel balls in a four-point contact raceway. It is widely designed for light-to-medium load applications, such as medium excavators, tower cranes, earthmoving equipment, and aerial work platforms.
Single-row ball slewing ring, also as four point contact ball slewing ring, consists of two rings (inner and outer). It is the standard choice for light-to-medium load applications, such as mini excavators, tower cranes, welding positioners, and aerial work platforms.
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