maximum rpm: RBC Bearings CRBY 2-1/4 Yoke Rollers & Motion Control Bearings

roller diameter::2.2500 in; operating temperature range::-20 to +250 °F; roller width::1.2500 in; roller material::Chrome Steel; bore diameter::0.6250 in; maximum rpm::4100 RPM; roller shape::Crowned; lubrication hole location::None; bearing element::Cylindrical Rollers; axial dynamic load