High quality JAS needle roller bearing engineered for sealed alternator assemblies. This closed end needle roller design is intended for Delco style alternator housings including 20SI and 27SI models and offers dependable radial support for alternator shafts and small diameter journals. Precision ground rollers and hardened steel construction reduce friction and resist wear for extended service life. Suited to engine electrics and sealed bearing applications where compact, high capacity radial support is required.

• Brand JAS for automotive replacement parts
• Needle roller bearing type for high radial load capacity
• Closed end design to help prevent contamination
• Compatible with Delco 20SI and 27SI alternator styles
• Precision ground rollers and hardened steel race for durability
• Sealed bearing construction for longevity in harsh environments
• Direct replacement for alternator and generator shaft applications
• Category fit Engine Parts Sealed Bearings

Please use the Parts Checker to confirm fitment to your specific alternator or vehicle before purchase. For best results install with the correct press tools and lubrication and inspect housing and shaft for wear when performing alternator rebuilds or bearing replacement.