SMJ30GUU NB 30mm Adjustable Block Unit Motion Linear Bearing Outer Diameter - 450mm 30304 outer diameter is 52mm

30304 outer diameter is 52mm and 30304 width is 16mm

TRF13UUE NB Bearing

GER209-26-ZSFF Bearing

SM30UU-P Linear Slide Bush

SMJ30GUU NB 30mm Adjustable Block Unit Motion Linear Bearing Outer Diameter - 450mm 30304 outer diameter is 52mmSMJ30GUU NB Open Block: Slide Unit With Clearance Adjustable Type Made in Japan: NB Linear Systems SMJ30GUU NB Open Block With Clearance Adjustable Block Slide Unit, The inner diameter is 30mm, The retainer material is resin, Series mainly used in the USA, NB brand (Nippon Bearing Linear Systems), made in Japan. SMJ30GUU NB Bearing Linear Ball Bushing Shaft Diameter: 30mm Adjusting Bolt Size: M5 Quantity: 1 Bearing Dynamic load rating Cr: 1570 N