144 0001793160 XXXXXXXX LIVE 0001324948 RBC Bearings INC 001-40840 ONE TRIBOLOGY CENTER OXFORD CT 06478 (203) 267 7001 Ambrose Michael H. Officer Common Merrill Lynch

1033 Skokie Blvd Suite 500 Northbrook IL 60062

595 219500.00 31325492 06/17/2025 NYSE Common 06/05/2023 Stock Option Issuer N 400 06/17/2025 Cash Common 05/29/2024 Stock Option Issuer N 195 06/17/2025 Cash N Michael H. Ambrose

One Tribology Center Oxford CT 06478

Common 06/10/2025 1700 547691.50 06/17/2025 Michael H. Ambrose