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.

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