4-Pack LME8UUAJ Adjustable Bushing 8x16x25 Linear Motion Bearings Nachi Deep Groove Bearing the N309 outer diameter is

the N309 outer diameter is 100mm

it features dual rubber seals to lock out dust and debris while retaining grease inside

OD (outer diameter): 115mm

LR5004NPP Double Row ball bearing

LBCR 30-2LS

4-Pack LME8UUAJ Adjustable Bushing 8x16x25 Linear Motion Bearings Nachi Deep Groove Bearing the N309 outer diameter is4 Linear Ball Bushings Item LME8UUAJ Works with 8 mm (0. 3150") Shafts 4 Pieces LME8UU AJ Linear Motion Ball Bushing works with a 8 mm (0. 3150") Shafts, Size is 8mmx 16mmx 25mm, the Inner Diameter is 8mm, the Outer Diameter is 16mm and the Length is 25mm. Bearings have Built in Rubber Seals LME8UUAJ Bearing Linear Motion Ball Bushings Number of Ball Circuit: 4 Size: 8mm x 16mm x 25mm Inner Diameter: 8mm Outer Diameter: 16mm Length: 25mm Dynamic load