Insert Bearings:
Insert bearing can be conveniently mounted and dismounted and can align. Its standard tolerance is the summation of inner diameter and tolerance or the difference of outer diameter and tolerance. The summation of inner diameter and tolerance ensures the lightness when and cooperates with the shaft. In addition, every insert bearing is not alone to use which must be installed with the bearing block as a whole.
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The whole is suitable for a variety of structural location due to its various shapes of bearing block. Our product can be divided into three categories which are apical paraphysis insert bearing, tapered insert bearing and eccentric bushing insert bearing.
In 2013, as the Chinese government launched a series of investment initiatives to boost domestic demand, the economy began to stabilize and recover, leading to a rise in coal consumption. This increase in demand was reflected in the adjustments made by key transportation authorities. The Ministry of Railways announced that the Daqin Line, a critical coal transport route, would handle 450 million tons this year—an increase of 24.11 million tons compared to the previous year. Specific targets were set for different railway bureaus: the Taiyuan Bureau was assigned 350 million tons, the Huhe Bureau 91.5 million tons, and the Lanzhou Bureau 8.5 million tons. Port operations also saw significant changes, with 386 million tons scheduled through ports, making up 85.7% of the total traffic.
Qinhuangdao Port, the largest coal terminal, was allocated 224 million tons, a 5.86 million ton increase from the prior year. SDIC Jingtang (Donggang) planned for 53 million tons, rising by 6.36 million tons, while Caofeidian Port expected 70 million tons, an increase of 14.78 million tons. However, Jingtang Port saw a slight decrease of 840,000 tons compared to the previous year.
Despite these improvements, challenges remained. Shanxi’s major coal transport channel, the Sinotrans route, faced bottlenecks, and the Daqin Line was nearing full capacity. To address this, the Taiyuan Railway Bureau was considering increasing the Daqin Line's capacity to 450 million tons, pending further assessments. New lines such as the Yellow Line expansion were expected to add 30 million tons of capacity. Meanwhile, existing lines like Keihin, Shita, and Waiting were undergoing electrification, which had largely been completed.
Shanxi’s second-largest coal transport line, the Jinzhongnan Railway, had a capacity of 200 million tons and was anticipated to begin operations in 2014. Most of the capacity growth in 2013 was concentrated in central Shanxi. However, due to limitations in railway transport, port expansions around the Bohai Sea were constrained. As market demand fluctuated, the pressure on Shanxi’s transport system gradually eased.
Meanwhile, Inner Mongolia’s coal transportation bottlenecks were expected to improve. The completion of the Shenzhou Yellow Line expansion added 150 million tons of new capacity, primarily serving resources from Shendong Group, Zhungeer, and Jinjie. These coal shipments mainly flowed to Huanghua and Tianjin Ports. Both the Tianjin Shenhua Coal Terminal and the third phase of Huanghua Port received substantial support to handle the increased volume.
On the Daqin Line, most coal traffic was directed to Qinhuangdao and Tangshan Ports. Qinhuangdao included Qindong, Qinnan, and Liunan, while Tangshan featured Jingtang, SDIC Jingtang, and SDIC Caofeidian. The first phase of Caofeidian Port became operational last September and started contributing significantly this year. In July, the second phase was completed, further boosting capacity.
As resource integration progressed and production in Inner Mongolia increased, the national coal supply grew steadily. However, the consolidation of Qinhuangdao’s coal terminal and the upgrade of the fourth-phase dumper caused some disruptions in transportation. Despite this, Tangshan Port saw rapid growth, with two new coal terminals either already operational or under construction.
Due to delays in the construction of the new Jigang Railway (Mengjing Line), much of the additional coal from the Daqin Line was expected to be redirected to Tangshan Port. If Inner Mongolia’s resources were diverted heavily, this could lead to more coal being channeled to Qinhuangdao again.
The Shuohuang Railway, operated by Shenhua Group, served as the “North Coal South†middle corridor. It provided guaranteed capacity and resources, with main ports including Shenhua Huanghua and Tianjin. Last year, approximately 130 million tons of high-quality coal were shipped from these two ports. The railway is currently expanding, and upon completion, it will significantly boost its capacity—expected to increase by 30 million tons this year. By the end of 2013, its capacity was projected to reach nearly 300 million tons.
Lastly, the Mengxi-Huazhong Railway, stretching 1,860 kilometers from Ordos in Inner Mongolia to Ji'an in Jiangxi, is set to begin operations in 2017. Once completed, it will have a long-term capacity of 200 million tons and is now in the final stages of construction.