What does P4 mean on a 6001 bearing?

Q: What does P4 mean on a 6001 bearing?

Short answer: `P4` on a 6001 means precision class P4 (ISO 492). The boundary dimensions stay 12 × 28 × 8 mm. Suffixes are not interchangeable: the same size with a different suffix behaves differently under load, heat or contamination.

Question

Accepted Answer

Short answer: `P4` on a 6001 means precision class P4 (ISO 492). The boundary dimensions stay 12 × 28 × 8 mm.

Suffixes are not interchangeable: the same size with a different suffix behaves differently under load, heat or contamination.