Machine Spindle Bearings 7040AC Angular Contact Ball Bearing

Single row angular contact ball bearings 7040AC,7040B,7040C can only bear the axial load in one direction. When bearing the radial load, it will cause additional axial force, and can only limit the axial displacement of the shaft or shell in one direction.

The precision ball bearing 7040AC specification as following:
The bearing full name:single row four point contact ball bearing
The bearing full items:7040AC
The bearing old type:7040c 7040b
The beariThe bearing rolling element:Ball
The ball bearing material:Steel ball, ceramic ball
The bearing ring material:super chorme steel
The bearing package:strong cartonng full inch size:7.87x12.2x2inch size
The bearing outer diameter inch size:12.2
The bearing inner diameter inch size:7.87

The bearing grease working speed:2800 rpm
The bearing oil working speed:4600rpm
The bearing accuracy grade:P5 P4 P2 grade
The delivery time: in stock, within one day after getting the order

The bearing boundary size:200X310X51mm
The bearing outerside diameter:310mm
The bearing inside diameter:200mm
The bearing width:51mm
The bearing clearance:C1 C2 C3 Group
The bearing load :
The dynamic load:289KN
The static load:471KN

 Back to back bearing arrangement
Face to face bearing arrangement
Tandem bearing arrangement
DB:Back-to-back arrangement Designation suffix DB
DF:Designation suffix DB Designation suffix DF (FF)
DT:Tandem arrangement Designation suffix DT (T)
TBT:Back-to-back and tandem arrangement Designation suffix TBT (TD)
TFT:Face-to-face and tandem arrangement Designation suffix TFT (TF)
TT:Tandem arrangement Designation suffix TT (3T)
QBC:Tandem back-to-back arrangement Designation suffix QBC (TDT)
QFC:Tandem face-to-face arrangement Designation suffix QFC (TFT)
QBT:Back-to-back and tandem arrangement Designation suffix QBT (3TD)
QFT:Face-to-face and tandem arrangement Designation suffix QFT (3TF)
QT:Tandem arrangement Designation suffix QT (4T)