NB Corp SWF8GUU 1/2" ID Round Flange Type Linear Bearing W/Resin Retainer & Seals, SteelThe slide bush is a linear motion mechanism that uses recirculating ball elements to achieve smooth motion and low friction.Specification: STATIC LOAD LBS.: 176.25MANUFACTURER PART NUMBER: SWF8GUUMATERIAL: SteelBRAND: NB CorporationDR TOLERANCE: 0-0.0004"D: 0.875"DYNAMIC LOAD LBS.: 114.65NUMBER OF BALL CIRCUITS: 4t: .25"X x Y x Z: .1875" x .2970" x .1720"DR: 0.5"FLANGE P.C.D.: 1.312"DESCRIPTION: Round Flange Type Linear Bearing W/Resin Retainer & SealsDf: 1.75"D TOLERANCE: 0-0.00065"ID: 1/2L: 1.25Specification: STATIC LOAD LBS.: 176.25MANUFACTURER PART NUMBER: SWF8GUUMATERIAL: SteelBRAND: NB CorporationDR TOLERANCE: 0-0.0004"D: 0.875"DYNAMIC LOAD LBS.: 114.65NUMBER OF BALL CIRCUITS: 4t: .25"X x Y x Z: .1875" x .2970" x .1720"DR: 0.5"FLANGE P.C.D.: 1.312"DESCRIPTION: Round Flange Type Linear Bearing W/Resin Retainer & SealsDf: 1.75"D TOLERANCE: 0-0.00065"ID: 1/2L: 1.25