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Standard
GB,ASTM/AISI,ГОСТ,BS,JIS,NF,DIN/VDEh,DIN/VDEh
Main ball diameter (d)
6.35mm-25.4mm
Outer diameter (D)
12mm-24mm
Weight
0.035kg-0.210kg
Structures
main ball, shell
Brand
QIBR/OEM/Neutral
Material
Carbon steel, Bearing steel, GCr15, 440 Stainless steel, 304 Stainless steel, Plastic
ODM/OEM
Support
Applications
electronics, hardware, machinery, chemical industry,transmission systems, feeding systems, processing systems, processing machinery and packaging machinery auxiliary equipment.
| NO. | Product | Product Number | Main ball diameter (d) | Material | MAX loading capacity | Outer diameter (D) | Loading capacity | Weight |
|---|---|---|---|---|---|---|---|---|
| 1 |
|
D-2H(6) | 6.35 mm | BS/CS | 6 kg | 12 mm | 5 kg | 0.035 kg |
| 2 |
|
D-3H(9) | 9.525 mm | BS/CS | 8 kg | 15 mm | 7 kg | 0.042 kg |
| 3 |
|
D-4H(12) | 12.0 mm | BS/CS | 10 kg | 20 mm | 8 kg | 0.055 kg |
| 4 |
|
D-5H(15) | 15.875 mm | BS/CS | 20 kg | 24 mm | 15 kg | 0.060 kg |
| 5 |
|
D-6H(19) | 19.05 mm | BS/CS | 50 kg | 32 mm | 40 kg | 0.130 kg |
| 6 |
|
D-8H(25) | 25.4 mm | BS/CS | 150 kg | 42 mm | 100 kg | 0.210 kg |
Features and advantages of QIBR machined steel bolt D series
1. Strong adaptability
The QIBR machined steel bolt D series is highly versatile and can adapt to various equipment requirements.
2. High flexibility and freedom
The QIBR machined steel bolt D series can rotate in multiple directions, offering high flexibility. It allows angular changes between the inner and outer rings, making it ideal for applications requiring angle adjustments.
3. Low friction
Compared to traditional sliding bearings, the QIBR machined steel bolt D series has lower friction resistance, reducing energy loss and heat accumulation. This results in higher operational efficiency.
4. High load capacity
Typically designed with multiple rolling elements, the QIBR machined steel bolt D series can distribute load pressure evenly. This allows it to maintain stable operation even under high load conditions, providing a strong load-bearing capacity.
Performance enhancements and solutions for QIBR machined steel bolt D series
1. Material improvements
High-strength materials: By choosing higher-strength steels or alloys, the load-bearing capacity and wear resistance of the bearing are enhanced. High-quality materials significantly increase the bearing’s service life, especially in high-load and high-temperature environments.
2. Lubrication technology optimization
Using high-performance lubricants or greases can lower friction and reduce wear. For universal ball bearings operating in high temperatures, high-speed, or harsh conditions, selecting high-temperature lubricants or adaptable synthetic greases helps improve operational stability.
3. Design optimization
Optimized rolling elements: Increasing the number of rolling elements or improving their size and shape can enhance load-bearing capacity and reduce friction, ultimately improving bearing performance.
4. Surface finish improvement
Enhancing the surface finish of the bearing's inner and outer rings, as well as the rolling elements, reduces the friction coefficient and minimizes energy loss during operation, leading to higher operational efficiency.
Main application fields of QIBR machined steel bolt D series
1. Steering systems
In certain vehicle steering systems, universal ball bearings are used to connect the steering wheel and the wheels, allowing for angular changes in the wheels during steering.
2. Agricultural machinery
In agricultural machinery, universal ball bearings are used to connect tractors to farming implements. These bearings are capable of withstanding significant angular and torque variations, ensuring smooth power transmission between the tractor and other farming equipment.
3. Industrial machinery
In high-angle conveyor systems, universal ball bearings can be used to connect various parts, adapting to the motion requirements of the production line.
4. Automation equipment
Many automated machines and devices require universal ball bearings to ensure stable power transmission between components.
