Bore Size:2.5 mm Outside Diameter:4.5 mm Precision Rating:P0 P6 P5 P4 P2 Seals Type:Open Number of Row:Single Row Model:needle roller cage assemblies bearing K2.5x4.5x4.0, K2.5x4.5x4.5, K2.5x4.5x5.0 Size:standard size Cage:Steel Cage Service:OEM Service Sample:Availble VIBRATION LEVEL:V1/V2/V3/V4 Certificate:ISO9001:2000 Package:Box Payment:T/T, western union, paypal Delivery Date:2-15 days after receiving payment Show More