LR5002NPPU Track Roller 2-Row Bearing Sealed 15x35x13 Track Bearing 8 inch axle outer diameter is 55mm and

outer diameter is 55mm and the width is 13mm

the 6007NR outer diameter is 62mm

Dynamic Load Rating Cr: 5100 N

6804ZZ width is 7mm

LR5002NPPU Track Roller 2-Row Bearing Sealed 15x35x13 Track Bearing 8 inch axle outer diameter is 55mm andLR5002NPPU Track Roller Double Row Ball Bearing 15mm x 35mm x 13mm One Bearing LR5002NPPU Track Roller Double Row Ball Bearing, bearing is a Sealed, Bearing inner diameter is 15mm, Bearing outer diameter is 35mm and Bearing width is 13mm. LR5002NPPU Bearing Track Roller Double Row Bearing Size: 15mm x 35mm x 13mm Bearing inner Diameter: 15mm Bearing outer Diameter: 35mm Bearing width : 13mm Dynamic Load Rating Cr: 6500 N Static Load Rating Cor: 4100 N