Type: Needle Brand Name: as you request Bore Size: 0 - 50 mm Outside Diameter: 0 - 68 mm Model Number: NKI50/35 Precision Rating: PO P4 P5 P6 Seals Type: OPEN Number of Row: Single Row Place of Origin: Guangdong, China (Mainland) Type:: NKI series needle roller bearing Size:: 50*68*35mm Material:: Gcr15 Gcr11 Noise Level:: EMQ V1 Z2, EMQ V2 Z3, EMQ V3 Z4, EMQ V4 5 Quality:: high quality and long life cycle Feature:: low noise,high speed,long life .durable Tolorance code: P0 P6 P5 P4 Availability:: have stock all the time Business scope:: Europe, America, Africa, Middle East, Asia. Etc. Certification: CE