AT needle retainer assembly is a kind of independent bearing unit with high load capacity and rigidity especially applicable for the tray of shaft and seat holes with the unit which is limited in radical dimension.

Each needle have excellent operative characteristic due to each needle exactly guided and kept by the retainer.

Currently, following cage are available in stock.

Cage for 0021106

The inner ring of IR series is quenched and made with high precision. The dimensional tolerance and the geometric precision of the standard grade inner ring is in compliance with PO grade. In using AT needle roller bearings, the selection of AT inner ring will enable the bearing to keep a normal operational backlash