This 21312CC/W33 bearing is a Spherical Roller Bearing with an optimized internal design for increased load capacity(two rows of symmetrical rollers), a 1:12 tapered bore (1:1 cylindrical bore), a C3(normal) radial internal clearance. The bearing's dimensions are 60x130x131mm.
Specifications
21312 Spherical Roller Bearing Specifications
Bore Diameter (d): 60 mm
Outer Diameter (D): 130 mm
Width (B): 31 mm
Dynamic Load Rating (C): ~220–240 kN (varies by manufacturer)
Static Load Rating (C₀): ~260–280 kN
Speed Rating (Grease/Oil): ~3,000–4,000 rpm (depends on lubrication)
Misalignment Tolerance: Up to 2–3° (self-aligning capability)
Application
Spherical bearings are used in industrial applications, where there are heavy loads, moderate speeds and possibly misalignment. Some common application areas are: