30,000 mm x 52,000 mm x 4.25 mm NTN 81206 Thrust cylindrical roller bearings-Complete thrust bearing

Thrust cylindrical roller bearings-Complete thrust bearing offers a 30,000 mm x 52,000 mm x 4.25 mm 30,000 mm x 52,000 mm x 4.25 mm NTN 81206 Thrust cylindrical roller bearings-Complete thrust bearing selection of NTN Bearing Rolamentos do Brasil Ltda. Genuine Thrust cylindrical roller bearings-Complete thrust bearing at Six-Bolt Piloted Fla flange mounting type: Wholesale Prices. We are a 30,000 mm x 52,000 mm x 4.25 mm NTN 81206 Thrust cylindrical roller bearings-Complete thrust bearing Certified Parts Retailer

What is 81206 bearing interchange？