Product Introduction

This 32316 tapered roller bearing is a precision-engineered rolling element bearing, manufactured from premium high-carbon chromium bearing steel. It consists of a precision-ground inner ring (cone), outer ring (cup), tapered rollers, and a cage assembly, all designed to withstand combined radial and axial loads. The bearing undergoes a full-process heat treatment, including quenching and tempering, to achieve a hardened raceway surface (HRC 60-64) and excellent core toughness, preventing brittle fracture under impact loads. Its precision-machined roller and raceway contact surfaces ensure minimal rolling friction, while the cage maintains roller alignment even during high-speed rotation. The bearing is dimensionally calibrated to the 32316 standard, with strict control over clearance and runout tolerances, ensuring seamless integration with heavy-duty truck components.

Core Function

• Withstands combined radial loads (from vehicle weight) and unidirectional axial loads (from acceleration, braking, and cornering) in heavy-duty truck drivetrain systems.

• Reduces rotational friction between moving components (e.g., differential shafts, wheel hub spindles) to optimize power transmission efficiency and minimize energy loss.

• Maintains precise positional alignment of rotating parts within the axle/differential assembly, preventing abnormal vibration and premature wear of mating components.

• Resists impact, fatigue, and wear under extreme operating conditions (e.g., full-load transportation, uneven road surfaces) to extend the service life of the entire drivetrain.

• Serves as a direct replacement part, matching the 32316 model’s dimensional and performance specifications for plug-and-play installation without modification.

Roller Bearing 32316 Sinotruk – Premium Tapered Roller Bearing for Heavy-Duty Truck Applications

When your heavy-duty truck demands unwavering reliability under extreme loads, every single component matters — especially the bearings that keep your drivetrain spinning smoothly. The Roller Bearing 32316 Sinotruk is a precision-engineered tapered roller bearing built to handle the punishing conditions of commercial trucking. Manufactured from premium high-carbon chromium bearing steel and heat-treated to perfection, this bearing delivers exceptional radial and axial load capacity while minimizing rotational friction. Whether you’re maintaining a fleet or sourcing replacement parts for a single vehicle, this 32316 bearing offers the durability and dimensional accuracy that heavy-duty applications require.

At Mettlead, we supply genuine-quality Sinotruk HOWO truck parts directly from our factory in China — giving you access to competitive pricing, complete product availability, and fast global shipping.

Key Features and Benefits of the 32316 Tapered Roller Bearing

This isn’t just another bearing sitting on a shelf. The Roller Bearing 32316 Sinotruk is purpose-built to perform in the most demanding heavy-truck environments. Here’s what sets it apart:

Superior Material Composition

Crafted from high-carbon chromium bearing steel (GCr15), this roller bearing offers outstanding hardness, wear resistance, and fatigue life. The material composition ensures the bearing maintains structural integrity even under continuous heavy loading cycles.

Full-Process Heat Treatment

Every 32316 bearing undergoes a rigorous quenching and tempering process. As a result, the raceway surface achieves a hardness of HRC 60–64, while the core retains excellent toughness. This combination effectively prevents brittle fracture under sudden impact loads — a common challenge in heavy truck operations.

Precision-Ground Contact Surfaces

The tapered rollers and raceway surfaces are precision-machined to extremely tight tolerances. Consequently, rolling friction is minimized, heat generation is reduced, and the bearing operates more quietly and efficiently throughout its service life.

Optimized Cage Design

The cage assembly maintains proper roller alignment and spacing, even during high-speed rotation. This design feature prevents roller skewing, reduces wear, and extends the overall lifespan of the bearing assembly.

Seamless OEM Integration

Dimensionally calibrated to the international 32316 standard, this bearing features strict control over internal clearance and runout tolerances. Therefore, it integrates seamlessly with Sinotruk HOWO hub assemblies, transmission components, and rear axle systems without modification.

Extended Service Life

Thanks to the combination of premium materials, advanced heat treatment, and precision manufacturing, this Roller Bearing 32316 Sinotruk delivers a significantly longer service interval compared to standard aftermarket alternatives. In other words, fewer replacements mean lower maintenance costs and less vehicle downtime for your fleet.

Technical Specifications – Roller Bearing 32316 Sinotruk

Parameter	Specification
Bearing Designation	32316
Bearing Type	Tapered Roller Bearing
Inner Diameter (d)	80 mm
Outer Diameter (D)	170 mm
Width (T)	61.5 mm
Material	High-Carbon Chromium Bearing Steel (GCr15)
Raceway Hardness	HRC 60–64
Heat Treatment	Quenching + Tempering (Full Process)
Dynamic Load Rating (Cr)	~355 kN
Static Load Rating (C0r)	~430 kN
Contact Angle	Tapered (designed for combined radial/axial loads)
Precision Grade	P0 / P6 (available upon request)
Cage Type	Stamped Steel Cage
Sealing	Open Type (external sealing recommended)
Compatible Vehicles	Sinotruk HOWO, SITRAK, and other heavy-duty trucks
Application System	Rear Axle, Transmission, Wheel Hub Assembly
Weight (Approx.)	~3.9 kg

Application Scenarios – Where Does the 32316 Roller Bearing Perform?

The Roller Bearing 32316 Sinotruk is specifically designed for heavy-duty commercial vehicle applications. Its tapered geometry allows it to handle combined radial and thrust loads simultaneously, making it ideal for the following scenarios:

Compatible Vehicle Models

This bearing is engineered to fit Sinotruk heavy-duty vehicles, including the HOWO A7, HOWO T7H, SITRAK C7H, and other models within the Sinotruk family. Additionally, it is compatible with select FAW and Shacman heavy truck platforms that share the 32316 bearing specification.

Drivetrain and Running Gear

Within the vehicle’s transmission and running gear systems, the 32316 bearing supports rotating shafts and gears, ensuring smooth power transfer from the engine to the wheels. It plays a critical role in maintaining drivetrain efficiency under full-load conditions.

Load-Bearing and Friction Reduction

Installed in wheel hubs and rear axle assemblies, this tapered roller bearing carries the full weight of the loaded vehicle while simultaneously reducing rotational friction. This dual function directly contributes to fuel efficiency and component longevity.

Maintenance and Replacement

Bearings are wear items that require periodic inspection and replacement. The 32316 is one of the most commonly replaced bearings during scheduled heavy-truck maintenance. Having a reliable supply source — like Mettlead — ensures your maintenance schedule stays on track without costly delays. Browse our full range of Sinotruk truck parts to find everything you need in one place.

OEM/ODM Capability – Tailored to Your Business Needs

At Mettlead, we understand that different markets have different requirements. That’s why we offer flexible OEM and ODM services for the Roller Bearing 32316 Sinotruk and our entire product range:

• White-Label Packaging: We can supply bearings with your own brand name and packaging design, helping you build brand recognition in your local market.
• Custom Packaging Solutions: Whether you need individual retail boxes, bulk industrial packaging, or specific labeling requirements, our team accommodates your specifications.
• Strict Quality Control: Every bearing passes through multiple inspection stages — including dimensional verification, hardness testing, and surface finish checks — before it leaves our facility.
• Factory-Direct Pricing: By sourcing directly from our manufacturing base in China, you eliminate middlemen and enjoy more competitive margins on every order.
• Flexible MOQ: Whether you need a trial order or container-load quantities, we work with you to find the right solution.
• Factory Visits Welcome: We invite procurement managers and business partners to visit our facility, inspect our production lines, and build confidence in our quality systems firsthand.

Frequently Asked Questions – Roller Bearing 32316 Sinotruk

What type of bearing is the 32316, and how does it differ from a standard ball bearing?

The 32316 is a tapered roller bearing, which means it uses conical rollers instead of spherical balls. This geometry allows it to carry significantly higher combined radial and axial (thrust) loads compared to a ball bearing of similar size. For heavy-truck applications where loads are intense and multi-directional, tapered roller bearings like the 32316 are the preferred choice.

What material is the Roller Bearing 32316 Sinotruk made from?

This bearing is manufactured from GCr15 high-carbon chromium bearing steel — the industry-standard material for precision rolling element bearings. After heat treatment, the raceway achieves a surface hardness of HRC 60–64, providing excellent wear resistance and fatigue strength.

How do I know when the 32316 bearing needs replacement?

Common signs include unusual noise (growling or humming) from the wheel hub or axle area, excessive play or looseness in the wheel assembly, uneven tire wear, and increased operating temperature near the bearing housing. If you notice any of these symptoms during routine inspection, it’s time to replace the bearing promptly to avoid further damage.

Is this Roller Bearing 32316 compatible with non-Sinotruk vehicles?

Yes. The 32316 is an internationally standardized bearing designation (80mm bore × 170mm OD × 61.5mm width). While we specifically supply it for Sinotruk HOWO and SITRAK applications, it will fit any equipment that calls for a 32316 tapered roller bearing, regardless of the vehicle brand.

What is the recommended lubrication for the 32316 tapered roller bearing?

For heavy-truck wheel hub and axle applications, a lithium-based EP (extreme pressure) grease is typically recommended. The grease should have a consistency of NLGI Grade 2 or 3 and be rated for operating temperatures up to 120°C. Always follow the vehicle manufacturer’s lubrication specifications for optimal performance and bearing life.

Can I order the Roller Bearing 32316 Sinotruk with custom branding or packaging?

Absolutely. Mettlead offers white-label and custom packaging services. You can have your company logo, part numbers, and branding printed on both the bearing and its packaging. This is particularly popular among distributors and aftermarket parts retailers who want to strengthen their own brand identity.

How should I store the 32316 bearing before installation?

Store the bearing in its original sealed packaging in a clean, dry environment with stable temperature. Avoid areas with high humidity, dust, or chemical exposure. The bearing comes pre-coated with a rust-preventive oil film; do not remove this coating until you’re ready to install. Proper storage ensures the bearing maintains its precision and surface quality until it’s put into service.

Ready to Source Your Roller Bearing 32316 Sinotruk?

Stop overpaying for middleman markups. With Mettlead, you get factory-direct access to premium-quality Roller Bearing 32316 Sinotruk parts — backed by strict quality control, competitive pricing, and reliable global delivery.

Whether you need a sample for testing or bulk quantities for your warehouse, our team is ready to provide a fast, detailed quotation tailored to your requirements.

Contact us today to request pricing, check stock availability, or discuss your custom packaging needs. Let’s keep your trucks rolling.