29554147 Bearing Assembly Allison spare parts

29554147 Bearing Assembly Allison spare parts

The Allison 29554147 bearing assembly, as a core component of the original Allison transmission drive support, focuses on solving the core needs of rotational support, wear reduction, noise reduction, and positioning guidance for transmission shaft components. It is widely used in the transmission systems of Allison’s full range of heavy-duty automatic transmissions and various heavy-duty commercial vehicles, engineering and mining machinery. The product strictly adheres to the original manufacturer’s production standards, from the selection of GCr15 bearing steel raw materials, precision turning, grinding, heat treatment strengthening, brass cage forming, seal assembly, and overall lubrication pre-assembly, to full dimensional inspection, rotational accuracy testing, wear resistance testing, and temperature and pressure resistance testing, ensuring comprehensive quality control throughout the entire process. This eliminates problems such as bearing jamming, excessive wear, leakage, and abnormal noise caused by inferior materials, insufficient machining precision, improper heat treatment, and poor sealing. It is suitable for complex operating conditions involving heavy loads, high-speed rotation, high-frequency vibration, and high temperatures, and complies with processing and quality standards of GB/T 307.1-2015, GB/T 12346-2007, ISO 9001, and CE.

Core Technical Parameters：

– Product Model: Allison 29554147
– Product materials: Inner/outer rings are made of GCr15 high-carbon chromium bearing steel; rolling elements are made of GCr15 bearing steel; cage is made of high-quality brass; seals are made of nitrile rubber (NBR).
– Operating parameters: Operating temperature -40℃~180℃, limiting speed ≥3000r/min
– Structure type: Integrated bearing assembly
– Accuracy parameters: dimensional tolerance IT5 grade, radial clearance 0.01~0.02mm, rotational accuracy up to P6 grade, surface roughness Ra≤0.08μm
– Suitable for: Allison 1000/2000/3000/4000 series heavy-duty automatic transmissions, and transmission shaft components for heavy-duty trucks, construction machinery, mining machinery, and special vehicles.

We prioritize quality. Our Allison 29554147 bearing assembly undergoes rigorous quality control, including material composition analysis, hardness testing, dimensional inspection, rotational accuracy testing, and wear resistance testing, achieving a 100% factory pass rate. Whether for equipment overhaul and replacement or bulk procurement, this product perfectly matches the installation requirements of original Allison gearbox shaft components, requiring no additional customization or adjustment. It effectively supports the smooth rotation of shaft components, reduces frictional loss, eliminates bearing jamming, wear, and leakage, extends the overall service life of the gearbox, and provides solid rotational support for the long-term stable operation of heavy-duty equipment. It is a core and preferred component in the transmission support system of the Allison parts system.

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