它们的表面轮廓最接近内外圈滚道。

Their surface profile closely matches the raceway profile of the outer and inner rings.

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或轴承有裂纹、内外圈碎裂或轴承过度磨损时，应更换新轴承。

Or bearing crack, inside and outside circle chipped or bearing excessive wear when, should replace new bearing.

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座高：整套轴承的总宽度；参考内外圈尺寸，外径，内径以及滚子。

STAND: Overall width of the assembled bearing; refers to the combination of sizes of the cone, outer diameter, cup, inner diameter, and roller.

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