45X110X27mm BSSD roller bearing 21310 spherical roller bearing 21310 CC W33

It looks like you're inquiring about two different types of bearings:

45X110X27mm BSSD Roller Bearing

This appears to be a spherical roller bearing with dimensions:

Bore (d): 45mm

Outer Diameter (D): 110mm

Width (B): 27mm

Specification                                                                                                                     

Features                                                                                                                             

• Accommodate misalignment 

• High load carrying capacity 

• Long service life 

• Low friction 

•       Robust

Application                                                                                                                        

Spherical bearings are used in industrial applications, where there are heavy loads, moderate speeds and possibly misalignment. Some common application areas are:

• Gearboxes

• Wind turbines

• Continuous casting machines

• Pumps

• Mechanical fans and blowers

• Mining and construction equipment

• Pulp and paper processing equipment

• Marine propulsion and offshore drilling