Product Introduction

This high-precision tapered roller bearing is a critical load-bearing component for heavy-duty truck drivetrain and wheel-end systems. It is designed to efficiently handle combined radial and axial forces, ensuring smooth rotation and long service life under extreme operating conditions.

Structure & Material

• Material: High-carbon chromium bearing steel (GCr15), through precision heat treatment (quenching and tempering) for exceptional hardness, wear resistance, and fatigue strength.

• Design: A single-row tapered roller bearing consisting of an inner ring (cone), outer ring (cup), tapered rollers, and a cage. The tapered geometry allows it to support both radial loads and axial thrust in one direction.

Performance

• Load Capacity: Optimized for heavy radial loads and significant axial thrust, common in heavy truck wheel hubs and differentials.

• Friction & Heat: Precision-machined surfaces ensure low rolling friction, reducing heat generation during high-speed and heavy-load operation.

• Rigidity: Provides high rigidity to maintain precise alignment of rotating components, such as axle shafts and differential gears.

Durability

• The high-grade bearing steel resists surface pitting, spalling, and deformation under continuous heavy loads and shock impacts.

• Designed for a long service life with proper lubrication, suitable for the demanding environment of commercial vehicles.

Compatibility

• Direct OE replacement for Sinotruk HOWO/Sitrak models, matching the exact dimensions (bore, outer diameter, width), load rating, and fitment of the original bearing (810W93420-0183).

• Interchangeable with the ISO standard 32024 bearing.

Core Function

1. Load Support: Bears heavy radial and axial loads in the wheel hub or differential assembly.

2. Smooth Rotation: Enables low-friction rotation of axle shafts and other drivetrain components.

3. Alignment Maintenance: Maintains precise component alignment to prevent premature wear.

Taper Roller Bearing 32024 810W93420-0183 for Sinotruk Sitrak – Factory Direct Supply

When your Sinotruk Sitrak heavy-duty truck demands reliable axle support, the Taper Roller Bearing 32024 (OEM: 810W93420-0183) delivers exactly what you need. Engineered to handle combined radial and axial loads simultaneously, this precision-crafted bearing keeps your drivetrain rotating smoothly under the toughest operating conditions. At Mettlead, we supply this genuine-spec component at competitive factory-direct prices, so you never have to compromise between quality and cost.

Why Choose This Taper Roller Bearing 32024 for Your Sitrak Truck?

Not all bearings are created equal—especially when they’re tasked with supporting a heavy-duty truck axle. Here’s what makes this 32024 taper roller bearing stand out from the crowd:

• Superior Load Capacity: The tapered roller design distributes both radial and axial forces evenly across the raceway, preventing premature wear and extending service life significantly.
• Precision OEM Fitment: Manufactured to match the exact specifications of OEM part number 810W93420-0183, this bearing drops right into your Sinotruk Sitrak rear axle assembly without any modification.
• High-Grade Bearing Steel: Crafted from chromium steel (GCr15) with optimized heat treatment, delivering exceptional hardness, fatigue resistance, and dimensional stability over thousands of operating hours.
• Smooth, Stable Rotation: The precision-ground rollers and raceways minimize friction and vibration, ensuring your shaft rotates quietly and efficiently even under heavy payloads.
• Extended Service Intervals: Thanks to its robust construction and tight tolerances, this bearing reduces your maintenance frequency—saving both downtime and labor costs.

Application Scenario: Where Does This Bearing Work?

This Taper Roller Bearing 32024 is specifically designed for the Sinotruk Sitrak heavy-duty truck platform. Installed within the rear axle assembly, it serves as a critical support element for the drive shaft, bearing combined radial and axial loads while ensuring the rotating shaft operates smoothly and steadily.

Whether your Sitrak truck is hauling construction materials across rugged terrain or transporting goods over long-distance highways, this bearing absorbs the punishing forces generated during acceleration, braking, and cornering. It quietly does its job in the background—keeping your wheels turning and your cargo moving on schedule.

Looking for more rear axle components? Browse our complete Rear Axle Parts catalog for matching components.

Technical Specifications – Taper Roller Bearing 32024 (810W93420-0183)

Need to explore the full range of Sitrak truck parts? Visit our dedicated Sitrak Heavy-Duty Parts brand page for a complete selection.

OEM/ODM Capability – Tailored to Your Business Needs

At Mettlead, we understand that different markets have different requirements. That’s why we offer flexible customization options for our taper roller bearings and all other truck components:

• White-Label Packaging: Want to sell under your own brand? We provide neutral or custom-branded packaging that aligns with your company identity—no minimum branding fees.
• Custom Packaging Solutions: Whether you need individual retail boxes, bulk industrial packaging, or export-ready palletizing, we adapt to your logistics requirements.
• Strict Quality Control: Every bearing passes through multiple inspection stages—dimensional checks, hardness testing, and surface finish verification—before it leaves our facility.
• Factory Direct Pricing: By cutting out middlemen, we pass genuine cost savings directly to you. This means better margins for your business without sacrificing product quality.
• Flexible Payment & Shipping: We support multiple secure payment methods and offer fast, reliable global delivery to keep your supply chain running without interruption.

For a comprehensive overview of all available Sinotruk Sitrak components organized by system, check out our Sinotruk Sitrak Truck Parts Full Category Guide.

Frequently Asked Questions – Taper Roller Bearing 32024

What makes a taper roller bearing different from a standard ball bearing?

A taper roller bearing uses conical rollers instead of spherical balls. This geometry allows it to handle both radial loads (perpendicular to the shaft) and axial loads (along the shaft) simultaneously. For heavy-duty truck axles like those in the Sinotruk Sitrak, this dual-load capability is essential because the rear axle experiences complex forces during driving, turning, and braking.

How do I know if my 32024 taper roller bearing needs replacement?

Common signs include unusual humming or growling noises from the rear axle area, excessive play or looseness in the wheel assembly, uneven tire wear, and vibration felt through the chassis at highway speeds. If you notice any of these symptoms, inspecting the bearing promptly can prevent more costly damage to the axle housing or shaft.

Is this bearing 810W93420-0183 a direct fit for all Sitrak models?

Yes, this bearing is manufactured to the exact OEM specification of part number 810W93420-0183, which is designed for the Sinotruk Sitrak heavy-duty truck rear axle. It installs directly without any machining or adapter required. However, we always recommend confirming your specific vehicle’s VIN or existing part number before ordering.

What is the expected service life of this taper roller bearing?

Under normal operating conditions with proper lubrication and correct preload adjustment, this 32024 bearing typically delivers reliable service for 200,000–300,000 km or more. Actual lifespan depends on load conditions, road quality, maintenance practices, and whether the bearing is properly greased during installation.

Can I install this bearing myself, or does it require specialized tools?

While the bearing itself is a standard press-fit component, proper installation requires a hydraulic press or bearing installation tool to avoid damaging the rollers or raceways. Additionally, correct preload adjustment is critical for optimal performance. We recommend having a qualified technician handle the installation to ensure longevity and safe operation.

Ready to Order Your Taper Roller Bearing 32024?

Stop searching and start saving. Whether you need a single replacement bearing or bulk quantities for your workshop inventory, Mettlead delivers genuine-quality Sinotruk Sitrak parts at prices that make sense for your bottom line.

Get your personalized quote today—simply tell us the quantity you need, your destination, and your preferred shipping method. Our team typically responds within 24 hours with a complete offer including pricing, lead time, and logistics options.

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Mettlead – Your trusted factory-direct source for SINOTRUK, SITRAK, HOWO, SHACMAN, FAW, WEICHAI, DONGFENG, and FOTON truck parts. Worldwide delivery. Competitive pricing. Quality guaranteed.