6mm, 8mm, 10mm, 12mm, 13mm, 16mm, 20mm, 25mm, 30mm, 35mm, 40mm, 50mm, 60mm. Flanged Linear Bushings Are Used in Conjunction with Hardened Linear Drive Shafts. As an Infinite Linear Motion System. UU（Standard Middle Round Flange）：LMFC6UU，LMFC8UU，LMFC10UU，LMFC12UU，LMFC13UU，LMFC16UU，LMFC20UU，LMFC25UU，LMFC30UU.
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