Designation:

B7021-C-T-P4S-UL (FAG, Schaeffler)

Design:

It consists of two rings (internal and external) and rolling elements (balls). For radial and axial resisrence of load the rings inner contact surface made under angle.

Application:

Spindels of lathe and milling machines

Features:

Use in pairs or sets;
Hight radial and axial loads;
Contact angle 15 °;
Limiting speed - 8500 rpm (for grease lubrication);
Limiting speed - 13000 rpm (for minimal quantity oil lubrication);
Restricted tolerances