Germany: a record in 2006, Germany machine industry machine production and service as 108 billion euros, GDP growth of 4%. Bearing inner ring and outer shaft is a tight fit for a shell, with pine cooperate, usable press will be pressed in bearing on bearing first, then shaft with bearing load shell, being connected together in bearing on a soft metal mat face casing (copper materials of assembly of soft steel tube) or. In export, 2006, Germany machine manufacturing industry, has obtained good results for four consecutive years, only the September 2006 years ago was as high as 13 percent increase in exports. The demand from China market than in the United States market, once again become the largest German machine export markets overseas. Meanwhile in South Korea and India, Germany's export machine a good performance. This marks the Asian market prosperity and improvement of various industries of industrial standards. Japanese users are also on the increase of German machine and technology order, in 2006, Japanese first leapt to one of the largest export market for German 15. (1) the new investment in commonly used water pump, run 100 hours later to be replaced after grease (oil), 500 hours every operation change 1 times.

(2) lubricated by grease flow bearing, operation, should be replaced after 15 hours of oil, grease filling not too much or too little, because too much or too little grease will lead to bearing fever, estimating general master in the bearing entricular mass 1/2 ~ 2/3 advisable.