V12x45x26-30mm V Groove Track Roller Bearing With Extended Inner 4mmV12x45x26 30mm V Groove Track Roller Bearing With Extended Inner 4mm12mm x 45mm x 26mm 30mmVXB Bearing V12x45x26 30mm V Groove Track Roller Bearing With Extended Inner 4mm V12x45x26 30 Bearing V Groove Ball Bearing With Extended Inner Standard: Metric Closures: 2 Rubber Sealed Size: 12mm x 45mm x 26mm x 30mm Inner diameter (Bore): 12mm Outer diameter: 45mm Extended Inner Width: 26mm 30mm V Groove Width: 7mm V Groove Depth: 3mm Quantity: 1 Bearing