
Image may differ from product. See technical specification for details.
Standard
GB,ASTM/AISI,ГОСТ,BS,JIS,NF,DIN/VDEh,DIN/VDEh
Inner diameter
120mm-8000mm
Outer diameter
280mm-8000mm
Weight
20kg-8000kg
Structures
Outer Ring, Inner Ring, Spacer, Rolling element, Seal
Brand
QIBR/OEM/Neutral
Package
Standard Export Package
Material
42CrMo, 50Mn, or Stainless Steel
Applications
Hoisting machinery, construction machinery, material handling machinery, mining machinery, metallurgical machinery, medical instruments,ships and warships, radar,wind turbine

NO. | Product | Product Number | Gear P.C.D. | Gear type | Outer diameter (Da) | Weight | Inner diameter (di) |
---|---|---|---|---|---|---|---|
1 |
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XSI 14 0414 N | 335 mm | Internal Gear | 484 mm | 31 kg | 325 mm |
2 |
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XSI 14 0544 N | 456 mm | Internal Gear | 614 mm | 43 kg | 444 mm |
3 |
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XSI 14 0644 N | 558 mm | Internal Gear | 714 mm | 50 kg | 546 mm |
4 |
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XSI 14 0744 N | 660 mm | Internal Gear | 814 mm | 58 kg | 648 mm |
5 |
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XSI 14 0844 N | 752 mm | Internal Gear | 914 mm | 69 kg | 736 mm |
6 |
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XSI 14 0944 N | 856 mm | Internal Gear | 1014 mm | 76 kg | 840 mm |
7 |
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XSI 14 1094 N | 1000 mm | Internal Gear | 1164 mm | 91 kg | 984 mm |
Features and advantages of QIBR XSI series cross cylindrical roller slewing bearings
The QIBR XSI series cross cylindrical roller slewing bearings come with multiple significant features and advantages, playing an essential role across various industries, including:
1. QIBR XSI series cross cylindrical roller slewing bearings have excellent load capacity for manding applications
The QIBR XSI series cross cylindrical roller bearings are engineered to simultaneously handle radial and axial forces in multiple directions, excelling under heavy loads and impact conditions.
2. Superior stability and extended lifespan of QIBR XSI series cross cylindrical roller slewing bearings
The QIBR XSI series cross cylindrical roller slewing bearings are manufactured with exceptional precision and tight assembly clearance. These design features ensure superior operational stability, effectively reducing system vibrations and noise. As a result, the bearings improve overall smoothness and reliability, significantly extending their service life.
3. Tailored solutions of QIBR XSI series cross cylindrical roller bearings
QIBR offers customized services for the XSI series, allowing bearings to be designed for specific needs and to meet the unique demands of various industries and applications.
4. The efficient power transmission of QIBR XSI series cross cylindrical roller slewing bearings
With its internal gear design, the QIBR XSI series bearing allows direct connection to gear drive systems, ensuring optimal power transfer efficiency. This innovation reduces reliance on additional components like chains or belts, decreasing mechanical losses and lowering maintenance requirements.
Performance enhancements and solutions of QIBR XSI series cross cylindrical roller bearings
1. Improvement of bearing material characteristics
Built for harsh conditions, the QIBR XSI series cross cylindrical roller slewing bearings can be crafted from 440C stainless steel. This ensures outstanding corrosion resistance against moisture, chemicals, and other corrosive agents, maximizing their durability and service life.
2. Improvement of bearing rotational accuracy
QIBR cross cylindrical roller bearings XSI series are manufactured with state-of-the-art processing equipment and techniques, including precision heat treatment and advanced machining centers. These processes significantly improve the geometric accuracy of the inner and outer rings, reduce machining errors, and enhance the rotational accuracy and stability of the bearings.
3. Minimized maintenance and replacement
The QIBR XSI series cross cylindrical roller slewing bearings incorporate seals that prevent external contaminants from entering and reduce the risk of grease leakage. Additionally, the lubrication holes enable convenient grease application, improving bearing longevity and minimizing maintenance and replacement expenses.
4. Customized design
For different occasions, the QIBR cross cylindrical roller bearings XSI series can be tailored with individual dimensional solutions for special applications. This design not only enriches the standard of bearings but also demonstrates our commitment to providing practical guidance for manufacturers to meet the individual needs of users, making them feel catered to and valued.
To summarize, measures such as material optimization, improved manufacturing precision, and tailored design can greatly enhance the performance of the QIBR XSI series cross cylindrical roller slewing bearings, ensuring they meet the growing demands of advanced applications.
Main application fields of QIBR cross cylindrical roller bearings XSI series
Machine tools
In CNC machine tools, the QIBR XSI series cross cylindrical roller slewing bearings ensure superior rotational stability, contributing to high-precision performance in rotary table systems for complex machining processes.
Medical instruments
Applied in advanced medical systems, including CT imaging machines and surgical tables, the QIBR XSI series cross cylindrical roller slewing bearings ensure stable performance and high-precision positioning, meeting the rigorous demands of healthcare environments.
Heavy equipment
The QIBR XSI series cross cylindrical roller slewing bearings are designed to provide robust support and anti-overturning capacity, making them ideal for heavy-duty applications such as mining machinery, cranes, and construction equipment.
Ships and ocean engineering
The QIBR XSI series cross cylindrical roller slewing bearings are widely utilized in ship rotary equipment and offshore platforms. Their robust design ensures high load capacity and resistance to harsh marine environments, meeting the demanding requirements of maritime and offshore applications.