The basic design self-aligning ball bearing is available with a cylindrical bore or, in certain size ranges, with a tapered bore (taper 1:12).
自调心球轴承的基本设计带有一圆柱孔，或者在某些尺寸范围内带一圆锥孔（圆锥1：12）。
The latest extension to the sealed spherical roller bearing range includes 11 new variants, with both cylindrical and tapered bore versions available, depending on specific application requirements.
最新的扩展，密封球面滚子轴承范围包括11个新变种，与圆柱和圆锥孔版本，这取决于特定的应用需求。
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