Alpine Bearing, Inc. Radial Open Extended Inner Ring - Flanged & Unflanged Ball Bearings SSRI-618

The construction of these bearings enables them to carry moderate radial and thrust loads at low operating torque while providing high performance within a small design. Miniature and instrument bearings are available in stainless steel for those applications requiring corrosion resistance, and chrome for maximum fatigue life. Stainless steel or chrome steel bearings are available with crown or ribbon type metallic cages. Open or shielded bearings may be flanged or unflanged. Bearings are available in angular and radial contact angles and can be custom lubricated to meet your specific needs. Click above to see our selection of miniature and instrument bearings in inch sizes. Ball Bearing Features “SS” included for AISI 440C stainless steel delete “SS” for SAE 52100 chrome alloy steel “R” ribbon & “H” crown cages available for flanges add “F” for PTFE seals change “Z” to “L” available in ABEC 1, 3, 5 & 7 precisions