SMSF30UUE NB Round Flange With Pilot End Type Anticorrosion Made in Japan:NB Linear Systems. SMSF30UUE NB Round Flange Type With Pilot End Type, The retainer material is steel, Bearing is anticorrosion, Bearing is seals on both, series mainly used in the USA, NB brand (Nippon Bearing Linear Systems), Made in Japan. X x Y x Z. 6.6 x 11 x 6.1. The item "SMSF30UUE NB 30mm Slide Bush Ball Bushings Linear Motion Bearings 20911" is in sale since Friday, March 7, 2014.This item is in the category "Business & Industrial\Automation, Motors & Drives\Mechanical Power Transmission\Bearings & Bushings\Other Bearings & Bushings". The seller is "irvineman" and is located in Anaheim, California. This item can be shipped worldwide.