The RICH 21311 CAKMW33 C3 spherical roller bearing, sized 55 x 120 x 29 mm, features a spherical roller design for handling heavy radial and axial loads, along with a brass cage for strength and stability. The C3 internal clearance provides increased internal space compared to normal clearance, and the tapered bore 1:12 allows mounting on adapter sleeves.
21311 CAKMW33 C3 RICH | Spherical Roller Bearing – 55 x 120 x 29 mm
Technical Specifications:
Catalog Code: 21311 CAKMW33 C3 RICH
Brand: RICH
Type: Spherical roller bearing
Bore Diameter (d): 55 mm
Outer Diameter (D): 120 mm
Total Width (B): 29 mm
Weight: 1.572 kg
Cage: Brass, guided by the rolling elements
Clearance: C3 – greater than normal
Sealing: None (open type)
Taper: 1:12
Country of Origin: China
Key Performance Advantages:
Spherical roller design supports heavy radial loads and axial loads in both directions.
Brass cage ensures strength, stability, and durability under demanding operating conditions.
C3 internal clearance allows for thermal expansion and higher rotational speeds.
Tapered bore 1:12 enables mounting on adapter sleeves for flexible installation.
Open‑type construction suitable for external lubrication systems.
Transparency Note: This bearing is manufactured under the RICH brand. The code 21311 CAKMW33 C3 is used solely for identification and does not imply affiliation with other brands.
The RICH 21311 CAKMW33 C3 spherical roller bearing, sized 55 x 120 x 29 mm, features a spherical roller design for handling heavy radial and axial loads, along with a brass cage for strength and stability. The C3 internal clearance provides increased internal space compared to normal clearance, and the tapered bore 1:12 allows mounting on adapter sleeves.