High quality 1" pillow block bearing. The bearing has a wide inner ring with two set screws for attaching to the shaft. Housing is cast iron with a grease zerk for re-lubing the bearing.Diminisions:Bore: 1"Bolt hole to bolt hole: 4.133 in. (105mm)Overall length: 5.51 in. (140mm)Shaft height: 1.437 in. (36.5mm)Overall height: 2.736 in. (69.5mm)Bolt hole: .511 in. (13mm)INTERCHANGEAMI: UCP 205-16Browning: VPS-216Dodge: 123806Dodge: P2B-SC-100Fafnir: RASC-1Fafnir: YAS-1Link-Belt: P3-U216NLink-Belt: P3-Y216NNSK: USP205-16SNTN: UCP205-100TPeer: FHSP205-16GRHP: NP-1Sealmaster: NP-16