manufacturer catalog number: McGill MCYRR 20 X Yoke Rollers & Motion Control Bearings

roller diameter::47 mm; radial static load capacity::6700 lbs; roller width::24 mm; roller material::Chrome Steel; bore diameter::20 mm; maximum rpm::3900 rpm; roller shape::Flat; lubrication hole location::Inner Ring; bearing element::Needle Rollers; finish/coating::Black Oxide; overall width::25 m