Spherical Roller Bearings

Spherical Roller Bearings

Core Features

  • Double-Row Robustness: Features two rows of barrel-shaped rollers, providing exceptionally high radial load-carrying capacity and moderate axial load support in both directions.
  • Inherent Self-Alignment: The outer ring has a common spherical raceway, allowing the inner ring and rollers to tilt; this enables the bearing to handle shaft deflections or housing misalignments without increasing friction.
  • Heavy-Duty Metallurgy: Manufactured from through-hardened, high-carbon chromium steel to resist fatigue and survive the high-impact stresses of industrial environments.
  • Variable Mounting Options: Available with both cylindrical and tapered bores (K-type), allowing for easy mounting using adapter sleeves or withdrawal sleeves on straight shafts.
  • Vibration and Shock Resistance: The large contact area between the rollers and raceways provides a “Damping-Effect,” making them the standard choice for machinery facing intense mechanical vibration.

At Kriloha Ltd., we understand that industrial environments are rarely perfect. Our Spherical Roller Bearings are our engineered answer for “Structural-Imperfection” and “Maximum-Load-Resilience.” As a premier provider of industrial components, Kriloha has developed a spherical series that balances mechanical invincibility with the design agility required for the world’s most punishing rotating assets.

The engineering of our spherical series is based on Geometric-Neutrality. By precision-grinding the outer raceway to a perfect sphere, we ensure that the bearing acts as a “Self-Correcting-Pivot,” maintaining uniform load distribution even when the shaft faces significant deflection. At Kriloha, we verify that our rollers are matched to sub-micron tolerances, creating a “Smooth-Motion” barrier that protects against the edge-loading stress that often causes premature failure in rigid bearing types. This creates a “Rigid-Resilient” support system that secures your highest-value industrial assets.

Manufacturing these bearings involves strict Kinematic-Balance and Cage-Integrity Verification. We offer specialized cage materials, including machined brass for high-vibration tasks and pressed steel for standard heavy-duty applications. Whether you are overhauling a massive industrial gearbox or a high-capacity vibrating screen, Kriloha Spherical Roller Bearings provide the mechanical durability your facility demands. By choosing Kriloha Ltd., you are investing in a “High-Endurance” technology that secures the integrity of your energy and manufacturing infrastructure.

Bearing Table

SR. NO. BEARING NO. BOUNDARY DIMENSIONS (in mm) MASS
(~ Kg.)
d D B
1 22212 CC 60.000 110.000 28.000 1.100
2 21304-E-TVPB 20.000 52.000 15.000 0.160

Primary Use Cases

  • Mining & Quarrying: Supporting conveyor pulleys, crushers, and vibrating screens that operate under extreme dust and heavy loads.
  • Pulp and Paper Industry: Used in dryer cylinders and suction rolls where thermal expansion often causes shaft misalignment.
  • Wind Turbines: Providing the primary support for the main rotor shaft, where it must handle massive, fluctuating wind loads.
  • Steel Processing: Found in continuous casting machines and rolling mills facing high temperatures and heavy radial pressure.
  • Marine & Offshore: Supporting rudder shafts and winch systems subjected to corrosive environments and structural shifting.

Frequently Asked Questions

Can Spherical Roller Bearings handle axial loads?

Yes. While primarily designed for heavy radial loads, their double-row angular design allows them to handle moderate axial loads in both directions simultaneously.

What is the advantage of a “Tapered Bore” (K) version?

The tapered bore allows you to mount the bearing on a plain shaft using an adapter sleeve. This makes it much easier to install and remove the bearing without needing a precision-ground stepped shaft.

How much misalignment can these bearings accommodate?

Under normal operating conditions, Kriloha spherical roller bearings can typically handle angular misalignments of 1.5° to 2°, depending on the bearing series and seal type.

Why are there grooves and holes in the outer ring?

Most of our spherical bearings feature the W33 designation, which includes a lubrication groove and three holes in the outer ring. This allows for efficient relubrication directly into the center of the roller sets.

How do they compare to Cylindrical Roller Bearings?

Cylindrical roller bearings can handle similar radial loads but are rigid; they cannot handle misalignment. Spherical roller bearings offer similar strength with the added benefit of being self-aligning.

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