Three-row caged cylindrical roller backing bearing with two integral flanges in the outer ring, cage-guided roller complement and two annular lubrication grooves in the inner ring bore (fig 10).

 
  • 外圈有兩個(gè)整體式擋邊、保持架引導滾子、內圈內孔有兩條環(huán)形潤滑槽的三列帶保持架圓柱滾子支承軸承(圖10)。
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