107,95 mm x 152,4 mm x 21,433 mm 107,95 mm x 152,4 mm x 21,433 mm Timken L521949/L521914 tapered roller bearings

The NSK bearing Trading Co., Ltd online 107,95 mm x 152,4 mm x 21,433 mm 107,95 mm x 152,4 mm x 21,433 mm Timken L521949/L521914 tapered roller bearings parts store gives you 107,95 mm x 152,4 mm x 21,433 mm immediate access to a selection of more than 2 Seals Enclosure 1.4 million new, used, remanufactured.

What is L521949/L521914 bearing cross reference？