BR101812 Needle Roller Bearing 5/8" x 1-1/8" x 3/4" 5/8 Bore - Machined TypeBR101812 Needle Roller Bearing One Bearing Machined type needle roller bearing BR101812, bearing inner diameter is 5 8" inch, bearing outer diameter is 1 1 8" inch, bearing width is 3 4" inch. BR101812 Bearing Needle Roller Bearing Dimensions: 5 8" x 1 1 8" x 3 4" inch Bearing Inner Diameter: 5 8" Inch Bearing Outer Diameter: 1 1 8" Inch Bearing Width: 3 4" Inch Dynamic load rating Cr: 18,900 N Static load rating Cor: 19,700 N Speed: 25,000 RPM