Replacement Guide
General replacement review process and boundaries.
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Buyers with an NSK spherical roller bearing model can send the full suffix, marking photos, application, quantity, and destination for sourcing review. TFL Bearing is not NSK and does not represent NSK. NSK names are used only to identify the buyer's existing bearing reference for technical and RFQ review.
TFL Bearing is not NSK and does not represent NSK. NSK names are used only to identify the buyer's existing bearing reference for technical and RFQ review.
| RFQ field | Example detail | Why it matters |
|---|---|---|
| NSK model | Full bearing number and visible markings | Complete markings reduce model ambiguity. |
| Suffix | K, C3, C4, W33, E, CA, CC, MB | Suffixes can change bore, clearance, cage, and lubrication features. |
| Application | Crusher, fan, gearbox, paper machine, conveyor | Operating conditions affect replacement review. |
| Quantity and destination | 1 pc large bearing, 50 pcs distributor stock | Order scope affects quote and document review. |
General replacement review process and boundaries.
Series-level intake for 22218, 22220, and 22222 models.
Series-level intake for 22315, 22320, and related models.
Decode suffix details before RFQ.
Prepare model and boundary dimension details.
Submit model, suffix, application, quantity, and destination.
Include the NSK model, full suffix, photos of markings, dimensions if available, application, quantity, destination, and document needs. TFL Bearing can review sourcing options after those RFQ details are clear.
Send Cross-Reference RFQ