TRKC20GUU NB 20mm Slide Bush Bushings Miniature Motion Linear Bearing Ball Diameter - 11/32 inch (0.34375") the 23124EX1W33 inner diameter is

the 23124EX1W33 inner diameter is 120mm

6212-2Z and 6212ZZE

4 47 36 17 14

these are self lubricated bearings (bearings are already lubricated with oil)

TRKC20GUU NB 20mm Slide Bush Bushings Miniature Motion Linear Bearing Ball Diameter - 11/32 inch (0.34375") the 23124EX1W33 inner diameter isTRKC20GUU NB Triple Wide Intermediate Position Square Flange Slide Bush Made in Japan: NB Linear Systems TRKC20GUU NB Triple Wide Intermediate Position Square Flange Miniature Slide Bush, The retainer material is resin, It is seals on both sides, series mainly used in the USA, NB brand (Nippon Bearing Linear Systems), Made in Japan. TRKC20GUU NB Bearing Linear Slide Bush Bearing Inner Diameter: 20mm Retainer Material: resin Quantity: 1 Bearing Dynamic