NTN - 2A-BST45X100-1BLXL

Details

The 2A-BST type incorporates the maximum possible number of small balls (compared with those of astandard bearing), has thicker inner and outer rings, and a larger contact angle of 60°. Side faces of BST type bearings are flush-ground to provide the same face height difference for both the front and back faces. 2A-BST LXL type and BST LXL grease-lubricated sealed angular contact ball bearings eliminate the need for grease filling because they have been packed with grease in advance. Features are : Unique heat treatment greatly improves resistance against rolling contact fatigue, leading to longer service life (approximately two times that of the conventional. Both sides are sealed to enhance contamination resistance and to preserve the grease. (Light-contact seal type). Special long-life grease is used. (Light-contact seal type). The combination of a unique heat treatment and special grease reduces fretting (by 80% or more for sliding mode, 90% or more for rolling mode, compared to the conventional type). (Light-contact seal type).

Specifications