Description
Brand - SKF
Item Number - BB1-7397 SKF
Category - Traction Motor Bearing Units
Bore Diameter (d) mm - 208
Outer Diameter (D) mm - 280
Width (B) mm - 46
Load Rating (C1) kN - 18
Load Rating (C2) kN - 15
Shoulder Diameter (D1) mm - 320
Re-greasable - No
Designation Prefixes and Suffixes:
BB1 - Single Row Ball Bearing, Customized Design
Notes:
* Design options for traction motor bearing units:
1. INSOCOAT design – electrical insulation layer
2. Hybrid design – equipped with ceramic rolling elements
3. Integrated sensors - detection of direction of rotation, rotational speed, absolute positioning and bearing temperature
4. Regreaseable design – TMBUs in operation can be retrofitted with a regreasing device
** Images are for representation purposes only