Beefy Heavy Duty 6303 2RS Ball Bearing With Aluminum Alloy Construction For Maximum Durability And Low Friction Premium Replacement Bearing For Automotive Generators And Electrical Systems

Heavy-Duty 6303 2RS Aluminum Alternator Bearing, Single
✔️ Inner 17mm (0.669 in), outer 47mm (1.85 in), width 14mm (0.551 in)

This rugged alternator ball bearing is built from high-strength aluminum alloy, designed for automotive generators and electrical systems. It serves as a durable replacement for OE configurations, delivering reliable support and low friction in demanding environments.

✅ Material: Aluminum Alloy
✅ Inner Diameter: 17 mm (0.669 in)
✅ Outer Diameter: 47 mm (1.85 in)
✅ Width: 14 mm (0.551 in)
✅ Bearing Type: Double sealed
✅ OE compatibility: 6303 2RS; JN 130-01020, 130-01095-10, 130-01095-162, 130-01128, 130-01128-10; Denso 949100-1010, 949100-2820; Ford F0JY10A303A

💡 What is an alternator bearing used for? Handy in automotive and electrical systems to support rotating shafts with low friction. - Supports smooth rotation of the alternator shaft under load - Reduces wear and heat, boosting service life - Works with common OE numbers and aftermarket replacements - Aluminum alloy housing offers durability in harsh environments