— GLOBAL BESTSELLER BEARINGS
CARB Toroidal Roller
Bearings
CARB toroidal roller bearings consist of an inner ring, a toroidal outer ring raceway, symmetrical rollers, and a cage assembly. Their unique internal geometry combines self-aligning capability with unrestricted axial displacement inside the bearing, reducing internal stresses caused by thermal expansion while supporting heavy radial loads and ensuring reliable performance in demanding industrial applications.

Axial Displacement
Self-aligning Capability
Wide Dimension Series
Wear Resistance
Low Friction
Long Service Life
Advantages
- Combine self-aligning capability with unrestricted axial displacement.
- Reduce internal stresses caused by thermal shaft expansion.
- Support heavy radial loads with stable operating performance.
- Minimize friction during axial shaft displacement.
- Reduce vibration and extend bearing service life.
- Improve reliability in continuous industrial operation.
Classification of Toroidal Roller Bearings
Open
Open toroidal roller bearings feature an open design that allows flexible lubrication and efficient heat dissipation. Their self-aligning capability and unrestricted axial displacement make them suitable for heavy industrial equipment operating under high loads, shaft expansion, and continuous service conditions.
Close
Sealed toroidal roller bearings incorporate integrated sealing systems that retain lubricant and prevent contaminants from entering the bearing. This design reduces maintenance frequency, improves operating reliability, and extends bearing service life in dusty, humid, and contaminated industrial environments.
Brass Cage
Toroidal roller bearings with machined brass cages provide greater strength, improved roller guidance, and enhanced operating stability under heavy loads. They are commonly selected for mining machinery, steel processing equipment, industrial gearboxes, and other demanding heavy-duty applications.
Steel Cage
Pressed steel cage toroidal roller bearings feature lightweight stamped steel cages that provide reliable roller guidance and stable operation at moderate to high speeds. Their compact design combines self-aligning capability with unrestricted axial displacement, making them suitable for paper machinery, industrial fans, pumps, and general heavy-duty equipment.
Bearing Range & Customization Capabilities
HSN supplies standard and customized CARB toroidal roller bearings with bore diameters from 20 mm to over 1000 mm, covering C22, C23, C30, and C31 series. In addition, HSN supports customized solutions for heavy radial loads, shaft displacement, harsh environments, and non-standard replacement requirements.
| series | Bore Diameter Range |
|---|---|
| C 22 Series | 20 mm – 500 mm |
| C 23 Series | 120 mm – 1000 mm |
| C 30 Series | 100 mm – 500 mm |
| C 31 Series | 150 mm – 850 mm |
| ...... | ...... |
Specifications of CARB Toroidal Roller Bearings
Application Industries
CARB toroidal roller bearings combine automatic self-alignment with unrestricted axial displacement, making them particularly suitable for equipment affected by shaft expansion, mounting misalignment, and heavy radial loads. Their unique internal geometry minimizes friction and internal stress while improving operating reliability and bearing service life. Typical applications include paper machinery, wind turbines, continuous casting equipment, industrial fans, and other heavy-duty rotating machinery requiring stable long-term performance.
Interchangeable Brands
HSN reviews the engineering features of SKF CARB bearings and comparable toroidal roller bearing designs from leading manufacturers, including Schaeffler (FAG), NTN, and other international suppliers. Key comparisons cover internal geometry, dimensional standards, cage designs, internal clearance, lubrication methods, and application characteristics. By evaluating the technical performance and operating principles of each design, HSN helps customers select compatible bearing solutions for equipment upgrades, industrial maintenance, brand replacement, and new machinery projects.
Large Stock Available
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