The outside diameter, outer ring width and shaft seat diameter are identical to the dimensions of the standard spherical roller bearings range.
外部直径，外圈的宽度和轴座直径相同的尺寸标准的球面滚子轴承范围。
2
Owing to the movable disc and the locking device, the paper roll shaft with the position limit device can be adjusted according to the width of the paper roll, thus being extremely convenient;