Tapered Roller Steering Bearings

Tapered Roller Steering Bearings

Core Features

  • Specialized Geometry: Specifically designed for the steering head or “triple tree” of motorcycles and ATVs, where they replace the lighter-duty ball bearings often found in OEM setups.
  • Axial and Radial Load Handling: Engineered to manage the unique combination of vertical axial loads (weight of the vehicle) and horizontal radial loads (braking and cornering forces).
  • Low-Friction Operation: Precision-ground rollers ensure a “smooth-as-silk” steering feel, eliminating the “notchy” or indexed sensation often caused by worn ball bearings.
  • Increased Contact Area: The line contact of tapered rollers offers much higher load distribution compared to the point contact of ball bearings, significantly increasing service life.
  • Adjustable Preload: Allows for precise adjustment of the steering tension to eliminate “speed wobble” or head shake.

At Kriloha Ltd., we understand that steering is the most critical interface between the rider and the road. Our Tapered Roller Steering Bearings are our engineered answer for “Precision-Handling” and “Impact-Resistance.” As a premier provider of industrial and automotive components, Kriloha has developed a steering range that balances mechanical invincibility with operational agility.

The engineering of our steering series is based on Damping Integrity. By replacing standard ball bearings with Kriloha tapered rollers, you increase the surface area of the load-bearing zone. This creates a more stable pivot that resists “brinelling” (the permanent denting of the race) during heavy braking or pothole impacts. At Kriloha, we utilize high-carbon chromium steel with a specialized finish to ensure that every turn of the handlebars is fluid and predictable.

Manufacturing these bearings involves strict Angle and Tolerance Calibration. We verify that the taper angle is optimized to handle the specific rake and trail dynamics of modern vehicle geometry. Whether you are overhauling a classic cruiser or a high-performance sportbike, Kriloha Steering Bearings provide the mechanical durability your vehicle demands. By choosing Kriloha Ltd., you are investing in a “Safety-First” technology that secures your most critical control system.

Bearing Table

SR. NO. BEARING NO. BOUNDARY DIMENSIONS (in mm) MASS
(~ Kg.)
d D B C T
1 46T101107RC3 49.987 114.981 28.486 44.450 68.260 3.100
2 TT681271 (SKF=BT1B 0018A, FAG=201037,
571762.01H195, FERSA=F15097)
68.000 127.000 57.500 115.000 115.000 6.150
3 TT821401 (SKF=BTH 0055, VKBA5412,
FAG=805003 A.H195, FERSA=F15100)
82.000 140.000 57.500 115.000 115.000 7.710

Primary Use Cases

  • Motorcycle Steering Heads: The primary upgrade for street, dirt, and racing bikes to improve front-end stability.
  • ATV & UTV Steering Columns: Providing the rugged durability needed for off-road impacts and heavy steering loads.
  • Bicycle Headsets (High-Performance): Used in specialized downhill or electric bikes that require robust steering support.
  • Light Industrial Pivot Points: Any application requiring a precision 360° pivot under combined load.

Frequently Asked Questions

Frequently Asked Questions (FAQs)
1. Why upgrade from ball bearings to tapered rollers for steering?
Tapered rollers have a larger contact area, which distributes loads better, lasts longer, and provides a much more stable steering feel compared to ball bearings.
2. What is “Head Shake,” and can these bearings help?
Head shake is an unstable oscillation of the handlebars. Properly preloaded Kriloha tapered bearings provide the rigidity needed to dampen these vibrations.
3. Are these bearings sold as sets?
Yes. Most Kriloha steering kits come as a set of two bearings (upper and lower) often including specialized dust seals to protect against road grime.
4. How tight should I torque the steering stem nut?
Steering bearings require a specific “preload.” It should be tight enough to remove all vertical play but loose enough for the handlebars to fall gently to the side under their own weight.
5. Do they require special grease?
Yes. Kriloha recommends a high-quality water-resistant lithium complex grease to prevent corrosion from pressure washing and rain.

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