NHBB's preloaded duplex bearings include back-to-back (DB), face-to-face (DF) and tandem (DT) types. Preload helps control an application's operating
able in large precision spindle and turbine bearings as well as in Barden miniature . Inner ring abutting faces of DB duplex bearings are relieved. When they.
Usually, the cages for angular contact ball bearings with a contact angle . (DB). (Example). 7208 A DB. Radial loads and axial loads in both directions.
7214AC/P5 7214AC/P4 7214BM 7215ACJ 7215ACM 7215ACTNI 7215AC 7220ACM/DB 7220ACM/DBP6 7221ACM 7222ACJ 7222ACM 7222ACM/P6
NSK supplies the following bearing series with P4Y tolerance: 7000; 7200. DB. 0.85. 0.80. 0.65. 0.55. DBB. 0.80. 0.75. 0.60. 0.45. DBD. 0.75. 0.70. 0.55. 0.40.