Bearing Suffix Guide: What C3, C4, ZZ, 2RS, NR, K and Other Bearing Codes Mean

Technical Bearing Guide Bearing Suffix Guide: C3, C4, ZZ, 2RS, NR, K & More Learn what common bearing suffixes mean, how they affect bearing specifications, and why the complete bearing designation should always be checked before selecting a replacement. When ordering or replacing a bearing, the basic bearing number is only part of the specification. […]