As the outer sleeve has been cut open for the part of one bll row(50°to 80°), this type can used when the shaft has been fixed to support shafts ro support bases in order to prevent shaft flexion.

Clearance adjustment also is possible easily.

Type LM-UUOP: This is the metric dimension series with seal used most frequently in Korea and Japan.

Type KB-UUOP: This is the metric dimension series with seal used most frequently in Europe.

Type SW-UUOP:  This is the inch dimension series with seal used most frequently in England.