# How to Verify a Cross Before You Burn Inventory

Confirm envelope, clearance, cage, and seal—not just the base number.

Use the PT cross-reference hub as the index. For sizing and interchange notes, see cross reference verification and the full write-up on TFL Bearing interchange.

Bench-fit one sample before a bulk buy. Buyers who need OEM-fit replacements can also open Read bearing cross reference before they freeze a drawing or RFQ.

Keep notes on fit, grease, and duty cycle with the part number so the next rebuild does not depend on memory alone.

Re-check the housing bore and shaft after the first heat cycle.

Shandong TFL Bearing Co., Ltd keeps Portuguese product pages aligned with English engineering notes so global plants share one cross-reference language.