King Pin Bearings – Type B

King Pin Bearings – Type B

Core Features

  • Tapered Roller Architecture: Unlike the standard ball-type configuration, Type B often utilizes tapered rollers to provide superior combined load capacity, handling both extreme vertical thrust and lateral steering forces.
  • High-Density Load Distribution: The line contact of the rollers ensures a larger surface area for weight distribution, making them ideal for heavier axle loads and demanding industrial environments.
  • Precision Angular Alignment: Engineered to maintain absolute steering geometry, reducing the “wheel shimmy” and vibration often found in heavy-duty front-end assemblies.
  • Enhanced Fatigue Resistance: Manufactured using vacuum-degassed alloy steel that is case-hardened to withstand the high-frequency cyclic loading of long-haul transport.
  • Advanced Sealing Compatibility: Specifically designed to work with integrated heavy-duty seals that lock in specialized grease while blocking out abrasive road grit and moisture.

At Kriloha Ltd., we recognize that “Steering-Precision” is a non-negotiable requirement for heavy-duty fleet operations. Our Type B King Pin Bearings are our engineered answer for “High-Impact-Stability” and “Extreme-Axial-Control”. As a premier provider of industrial and automotive components, Kriloha has developed a Type B series that balances mechanical invincibility with the operational agility required for high-tonnage transport.

The engineering of our Type B series is based on Load-Symmetry and Geometry-Retention. By utilizing optimized roller profiles, we ensure that the bearing resists the edge-loading stress that typically causes premature failure in standard king pin setups. At Kriloha, we verify that our bearings utilize “Surface-Armor” technology—a specialized heat treatment that provides a hard, wear-resistant exterior while maintaining a tough, ductile core to absorb sudden road shocks. This creates a “Rigid-Resilient” support system that secures your vehicle’s most critical steering pivot.

Manufacturing these bearings involves strict Micro-Dimensional and Taper-Angle Verification. We ensure that every Type B unit provides the silent, low-friction performance required for professional-grade transit and heavy hauling. Whether you are maintaining a fleet of mining trucks or overhauling a specialized commercial axle, Kriloha King Pin Bearings provide the mechanical durability your application demands. By choosing Kriloha Ltd., you are investing in a “Safety-First” technology that secures the integrity of your heaviest rotating assets.

Bearing Table

SR. NO. BEARING NO. BOUNDARY DIMENSIONS (in mm) MASS
(~ Kg.)
d d1 D H
1 28TAG12 28.000 28.500 51.600 15.800 0.130
2 30 TAG 001 30.000 30.700 51.600 17.000 0.130
3 TK 51207 35.000 37.000 62.000 18.000 0.215
4 TK-35 35.400 35.400 65.000 16.200 0.250
5 Y-38 38.200 38.550 66.000 19.430 0.250
6 T 4072 Rs 40.000 40.700 74.500 20.800 0.360
7 TH 42661 (FERSA=F15004) 41.500 41.600 66.000 16.000 0.185
8 TH 42721
(T&H SPAIN =TH-106, FERSA=F15064)
41.530 41.630 72.200 21.400 0.340
9 47 TAG 001 47.000 47.800 78.000 23.000 0.400
10 50TAG001 50.000 50.200 80.000 18.800 0.315
11 T5082RS 50.000 50.500 84.500 21.000 0.365
12 T5082RsGA2 50.800 50.800 82.000 23.300 0.425
13 51216 CLUTCH 80.000 80.200 117.000 29.000 1.012

Primary Use Cases

  • Heavy-Duty Multi-Axle Trucks: Supporting the steering pivots of prime movers and heavy logistics vehicles.
  • Off-Road Mining Equipment: Managing the massive steering loads of dumpers and earthmovers operating in uneven, high-impact terrain.
  • Specialized Transit Buses: Providing the high-mileage durability and smooth steering required for articulated city buses.
  • Heavy Agricultural Tractors: Supporting high-torque front-wheel-assist (FWA) axles in modern farming machinery.

Frequently Asked Questions

1. How does Type B differ from Type A King Pin Bearings?
While Type A often relies on ball-bearing designs for standard loads, Type B typically utilizes tapered rollers to handle significantly higher vertical and lateral forces in heavy-duty applications.
2. Can these bearings help with uneven tire wear?
Yes. By eliminating the “slop” or play in the steering knuckle, Kriloha Type B bearings ensure the wheels maintain proper alignment, directly extending the life of your tires.
3. Is specialized grease required for these bearings?
For Type B configurations, we recommend a high-pressure (EP) lithium-complex grease that can withstand the concentrated loads and high-vibration environment of the steering knuckle.
4. How do I identify a worn King Pin Bearing?
Common signs include excessive play in the wheel when the vehicle is jacked up, “wandering” steering at highway speeds, or a noticeable “clunking” sound during low-speed turns.
5. Are these bearings compatible with power steering systems?
Absolutely. Their low-friction design is optimized to work seamlessly with both manual and hydraulic/electric power steering systems to provide smooth feedback.

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