In machine tool manufacturing, high-precision bearings are the “heart” of machine tools, their performance directly impacting their machining accuracy, stability, and service life. For a long time, domestic machine tool manufacturers have relied heavily on imports for high-end bearings, resulting in high costs and unstable supply cycles, severely hindering their development and market competitiveness.
To overcome this dilemma, the Hebei Bearing Industry Technology Research Institute (hereinafter referred to as the Provincial Bearing Research Institute) has successfully launched a series of high-precision matching bearing sets that meet the stringent requirements of the machine tool industry. These bearing sets offer stable precision above P4 level, and excellent stability and durability at high speeds. These products meet or even exceed the quality standards of similar imported products, achieving domestic substitution of key bearings and breaking the international monopoly.
The cost-effectiveness advantage is prominent, adding momentum to enterprises’ cost reduction and efficiency improvement
The Provincial Bearing Research Institute’s high-precision matching bearing sets offer significant cost advantages, costing only about half the price of imported bearings. For example, while imported brands typically cost thousands of yuan per unit for machine tool spindles, our institute’s equivalent products cost just over a thousand yuan. This price advantage significantly reduces production costs for machine tool manufacturers, effectively increasing their profit margins and helping domestic machine tool manufacturers gain pricing power in the competitive market.
Customized solutions to precisely match industry needs
The high-precision matching bearing groups of the Provincial Bearing Research Institute not only have advantages in quality and price, but also provide thoughtful customized services, providing domestic machine tool manufacturers with high-quality, low-cost solutions.
High-rigidity cylindrical roller bearings: suitable for high-load precision spindle scenarios
The N10 series of single-row cylindrical roller bearings and the NN30 series of double-row cylindrical roller bearings can withstand high radial loads and are suitable for lathe spindles requiring high rigidity and precision. Because the outer rings have no ribs, the raceways exert no axial constraint on the rollers, compensating for longitudinal variations in rotational motion. These bearings are particularly well-suited as floating bearings at the free end. By optimizing the bearing’s internal dimensions, roller logarithm generatrix, and cage geometry, and utilizing high-standard materials, they achieve low heat generation and stable operation at high speeds.
High-efficiency thrust angular contact ball bearings: building a stable axial force system
Thrust angular contact ball bearings, including the BAR10, BTR10, and 2344 series, are used in machine tool spindles to withstand axial loads and offer high rigidity and high speed performance. In spindle arrangements, thrust angular contact ball bearings are combined with tapered-bore cylindrical roller bearings that withstand radial loads.
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