BS系列双密封调心滚子轴承在同系列轴承的基础上，因为其两侧增加了高强度橡胶密封件，从而保证了轴承在恶劣环境中的安全运转，防止了润滑脂的外漏，起到了防尘、防水、重负载、耐高压等作用。因此，大大提高了使用寿命，现被广泛应用于钢铁、矿山、造纸、煤矿、工程机械、化工、石油、冶金等领域。

BS series double seal self-aligning bearing in the homologous series bearing's foundation,increased the high strength rubber seal in its both both sides,thus has guaranteed bearing work safely in adverse circumstance,prevented lubricant leak out.Plays the dustproof, waterproof,the heavy load, bore high-pressured role,therefore,enhanced the service life greatly,is widely applied in the steel,the iron,the mine,the papermaking, the coal mine, the engineering machinery, the chemical industry, the petroleum and the metallurgy etc