Meta Description
Custom large triple-row roller slewing bearings for Australian mining. Check inner diameter inspection video, on-site photos and official test reports of heavy-duty slewing bearings.
Precision Inspection for Custom Triple-Row Roller Slewing Bearing | Australian Mining Project
Longwei Transmission delivers custom triple-row roller slewing bearings engineered for heavy-load mining operations across the globe. Recently, we completed a large-size triple-row roller slewing bearing tailored specifically for an Australian mining site.
1. On-site Dimensional Inspection (Video & Photos)
The attached video records our on-site dimensional inspection work. Our technicians conduct professional testing on the inner diameter and upper ring mounting holes of the finished bearing.

Figure 1: On-site inner diameter and aperture inspection of triple-row roller slewing bearing
Strict dimensional checking is a core part of our quality control system, which guarantees every slewing bearing matches the design drawings and fits mining machinery perfectly.
2. Official Quality Test Report
Every finished product is accompanied by formal inspection documents. We fully record all dimensional data to prove compliance with customer requirements and industry standards.
Figure 2: Official dimensional test report for the custom slewing bearing
All data in the report is measured and verified on site, supporting stable and reliable operation under harsh mining working conditions.
Why Choose Triple-Row Roller Slewing Bearings for Mining
Triple-row roller slewing bearings are widely applied in large mining equipment. Featuring outstanding load capacity, they can withstand huge axial force, radial force and overturning moment at the same time. For harsh mining working conditions, this type of slewing bearing boasts stable operation and long service life.
All our mining-use slewing bearings are produced according to customer requirements. From raw material selection to finished product testing, we follow complete production standards. The inner diameter inspection shown in the video is just one link in our full quality assurance procedure. We carry out comprehensive tests on size, hardness and assembly performance before delivery.
Your Reliable Custom Slewing Bearing Supplier
We focus on manufacturing large-size and customized slewing bearings for mining, construction and other heavy machinery fields. Whether you need standard models or non-standard custom products, we can provide one-stop solutions.
If you are looking for qualified triple-row roller slewing bearings for mining equipment, feel free to contact us for detailed specifications, full test reports and quotations.
