7921C/DT_Spiral roller bearings_Ningbo Zhongpu Bearing Technology Co., Ltd

Ningbo Zhongpu Bearing Technology Co., Ltd. is committed to the research and development, production, and sales of high-quality bearings, specializing in the production of various micro bearings, thin-walled bearings, deep groove ball bearings, non-standard bearings, etc. The company strictly controls product quality from the procurement of parts, production process, product testing and other main links, operates in accordance with quality management system standards, and ensures that factory products achieve higher qualification rates. Thanks to new processes and materials The use of new designs allows us to continuously provide reliable products, thereby promoting social progress and improving the quality of life and environment.
螺旋滚子轴承的滚动体系采用钢带绕制的螺旋滚子。因此，称为螺旋滚子轴承。该类轴承具有较大的弹性和径向游隙，能承受较大的冲击径向负荷，不能承受轴向负荷，极限转速低。只适用于旋转精度不高，并经常有较大冲击负荷的部件中。轴承安装时允许内圈轴线和外圈轴线有0.5°的倾斜。由于该类轴承的弹性变形，在工作中不能保证精度，所以螺旋滚子轴承的精度只有普通级一种，没有其它的精密级。 轴承内圈、外圈由合金钢带卷制，经特殊工艺加工组装而成。轴承内外圈表面的螺旋缝隙，能使润滑油连续均匀地遍布轴承工作表面。轴承在温差较大的工况条件下工作，轴承配合尺寸可自动补偿。