Thrust ball bearings are specialized components engineered to accommodate axial loads, preventing rotational movement along a shaft's axis. They are typically employed in applications requiring support for significant thrust forces, such as in jacks, machine tools, and rotary tables where precision and friction reduction are critical. Products were evaluated based on material composition, load capacity, dimensional accuracy, limiting speed, and overall feature analysis.
uxcell 51104 Thrust Ball Bearings 20mm x 35mm x 10mm Chrome Steel One-Way Rolling Direction 2pcs
$5.69
This uxcell bearing offers a high dynamic and static load rating, providing robust performance for a wide range of demanding axial applications.
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uxcell F8-16M Thrust Ball Bearings 8mm x 16mm x 5mm Chrome Steel Single Direction 4pcs
$7.89
The uxcell F8-16M provides a practical 4-piece set of smaller bearings, suitable for lighter duty tasks where cost-effectiveness is a primary concern.
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Rannb 51106 Thrust Ball Bearing Axial Ball Thrust Ball Bearings 30mm x 47mm x 11mm -Pack of 3
$8.99
The Rannb 51106, made from Chromium Steel (GCr15) with a larger bore, indicates enhanced durability and suitability for specific, more substantial axial load requirements.
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Discover now our comparison of the best Thrust Ball Bearings. It is never easy to choose from the wide range of offers. On the market, you will find an incalculable number of models, all at different prices. And as you will discover, the best Thrust Ball Bearings are not always the ones at the highest prices! Many criteria are used, and they make the richness and relevance of this comparison.
To help you make the best choice among the hundreds of products available, we have decided to offer you a comparison of the Thrust Ball Bearings in order to find the best quality/price ratio. In this ranking, you will find products listed according to their price, but also their characteristics and the opinions of other customers. Also discover our comparisons by categories. You won’t have to choose your products at random anymore.
- Material-The 51106 Thrust Ball Bearing is made of Chromium Steel (GCr15),durability and resistance to deformity under loads.
- Dimension-Bore Diameter : 30 mm/1.18"; Outer Diameter: 47 mm/1.85";Thickness : 11 mm/0.43"
- Application-Designed for low speed operation and axial loads only.
- Easy to Use-The separable components of thrust ball bearings are interchangeable. This facilitates mounting and dismounting, and maintenance inspections.
- Package Content-3pcs x 51106 Thrust Ball Bearing
- [SIZE] - Bore Diameter=10mm, Outer Diameter=24mm, Thickness=9mm
- [MATERIAL] - Made of Chrome Steel(AISI 52100), have great wear-resistant, high temperature resistance and high hardness; Steel cage
- [CAPABILITY] - Dynamic Load Rating (Cr): 10kN; Static Load Rating (Cor): 14kN; Limiting Speed (Grease): 6500rpm, designed for low speed operation and axial loads only
- [APPLICATION] - Can be used for oven turntable, jack, pump, rotating applications, machine tools, automobiles, ect.
- [FEATURES] - The separable components of thrust ball bearings are interchangeable. Low noise and long service life, easy to maintain. Keep the bearing working environment clean and bearing lubricated in time
- [SIZE] - Bore Diameter=8mm, Outer Diameter=22mm, Thickness=7mm
- [MATERIAL] - Made of Chrome Steel(AISI 52100), have great wear-resistant, high temperature resistance and high hardness; Brass cage
- [FEATURES] - The size is standardized, easy to install and disassemble, and easy to maintain; Low friction resistance, low power consumption and high mechanical efficiency; High precision, high speed, small wear and long service life.
- [CAPABILITY] - Dynamic Load Rating (Cr): 3850N; Static Load Rating (Cor): 3500N; Limiting Speed (Grease): 3000rpm, designed for low speed operation and axial loads only
- [APPLICATION] - Thrust ball bearings, composed of bearing balls supported in a ring, can be used in low thrust applications where there is little axial load, such as oven turntable, jack, pump, rotating applications, machine tools, automobiles, etc.
- These bearings are shipped oiled with a rust preventative
- Soft steel band offers ease of installation
- Full complement of balls for increased capacity
- Suitable for lower speed applications of up to 1000 rpm
- Soft steel band serves as a dust shield
- Material-The 51202 Thrust Ball Bearing is made of Chromium Steel (GCr15),durability and resistance to deformity under loads.
- Dimension-Bore Diameter : 15mm/0.59"; Outer Diameter: 32 mm/1.26";Thickness : 12mm/0.47"
- Application-Designed for low speed operation and axial loads only.
- Easy to Use-The separable components of thrust ball bearings are interchangeable. This facilitates mounting and dismounting, and maintenance inspections.
- Package Content-3pcs x 51202 Thrust Ball Bearing
- [Size] - 8pcs x Bore Diameter: 5mm/ 0.2", Outer Diameter: 12mm/ 0.47", Thickness: 4mm/ 0.16" thrust ball bearings. Perfectly sized for easy integration into a variety of projects.
- [Material] - Constructed from premium chrome steel with excellent wear resistance, high-temperature tolerance, and superior hardness. Features a brass cage for added durability. Comes with two washers to ensure smooth rotation of objects.
- [Features] - Standardized dimensions ensure effortless installation, disassembly, and maintenance. Low friction and power consumption result in higher mechanical efficiency. High precision and minimal wear ensure long service life.
- [Wide Application] - Suitable for various uses including oven turntables, jacks, pumps, rotating assemblies, machine tools, automobiles, and more.
- [Maintenance Tips] - Ensure a clean working environment and timely lubrication to maximize performance and longevity.
- [SIZE] - Bore Diameter=20mm, Outer Diameter=35mm, Thickness=10mm
- [MATERIAL] - Made of Chrome Steel(AISI 52100), have great wear-resistant, high temperature resistance and high hardness; Steel cage
- [CAPABILITY] - Dynamic Load Rating (Cr): 14.2kN; Static Load Rating (Cor): 24.7kN; Limiting Speed (Grease): 5100rpm, designed for low speed operation and axial loads only
- [APPLICATION] - Can be used for oven turntable, jack, pump, rotating applications, machine tools, automobiles, ect.
- [FEATURES] - The separable components of thrust ball bearings are interchangeable. Low noise and long service life, easy to maintain. Keep the bearing working environment clean and bearing lubricated in time
- ID = 55mm
- OD = 90mm
- Height = 25mm
- [SIZE] - Bore Diameter=35mm, Outer Diameter=52mm, Thickness=12mm
- [MATERIAL] - Made of Chrome Steel(AISI 52100), have great wear-resistant, high temperature resistance and high hardness; Steel cage
- [CAPABILITY] - Dynamic Load Rating (Cr): 20.4kN; Static Load Rating (Cor): 44.7kN; Limiting Speed (Grease): 3900rpm, designed for low speed operation and axial loads only
- [APPLICATION] - Can be used for oven turntable, jack, pump, rotating applications, machine tools, automobiles, ect.
- [FEATURES] - The separable components of thrust ball bearings are interchangeable. Low noise and long service life, easy to maintain. Keep the bearing working environment clean and bearing lubricated in time
- [MODLE] - Bearing Model: AXK2035 (I.D.=20mm, O.D.=35mm, Thickness=2mm, Thickness with Washers: 4mm); Washer Model: AS2035
- [MATERIAL] - Chromium steel rollers for heat tolerance and durability under heavy loads; Steel cage guides and evenly spaced rollers for reduced friction, vibration, and noise
- [FEATURES] - Needle Roller Thrust Bearings can accommodate axial loads in one direction only
- [WASHER] - Combined with 2 washers for applications where adjacent machine components cannot serve as raceways
- [CAPABILITY] - 45.6kN Static Load Capacity, 12.9kN Dynamic Load Capacity, 8500RPM Maximum Rotational Speed
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Last update on 2026-04-16 / Affiliate links / Images from Amazon Product Advertising API
How to Choose the Best Thrust Ball Bearings
Material Composition and Durability
The choice of material significantly impacts a thrust ball bearing's performance and longevity. Chrome Steel, often specified as AISI 52100 or GCr15, is commonly used by brands like uxcell and Rannb due to its excellent wear resistance, high hardness, and capacity to withstand elevated temperatures. These properties are crucial for applications requiring consistent performance under stress. In contrast, STYUI offers bearings with a brass cage, which provides certain wear and corrosion resistance advantages, particularly in environments where moisture or chemical exposure might be a factor. While brass cages offer benefits, they typically do not match the ultimate load capacity or extreme temperature resistance of chrome steel components in practice.
Load Capacity and Speed Ratings
Understanding the dynamic (Cr) and static (Cor) load ratings is paramount. The dynamic load rating, such as the 14.2kN for the uxcell 51104, indicates the load a bearing can endure for a specified number of revolutions. The static load rating, like the 24.7kN for the same uxcell model, represents the maximum load a non-rotating bearing can sustain without permanent deformation. Limiting speed, expressed in RPMs (e.g., 6500rpm for uxcell 51100), defines the maximum rotational velocity the bearing can safely operate at. It's important to note that some bearings, like the Rannb 51106, are specifically designed for low-speed operations only, and exceeding these limits can lead to premature failure. Users should match these capabilities precisely to their application's requirements.
Dimensional Precision and Application Fit
The bore diameter, outer diameter, and thickness are critical dimensions that dictate a thrust ball bearing's compatibility with a specific assembly. For instance, the uxcell 51100 features a 10mm bore, 24mm outer diameter, and 9mm thickness, while the uxcell F8-16M is a more miniature 8mm x 16mm x 5mm. Ensuring these dimensions align with the shaft and housing is non-negotiable for proper function and installation. Brands like uxcell and STYUI offer a range of sizes, often in multi-packs, allowing users to select the precise fit for applications ranging from oven turntables to machine tools. An incorrect dimensional match can lead to misalignment, increased friction, and ultimately, bearing failure.
Quantity and Value Proposition
Beyond individual bearing specifications, the quantity provided in a pack influences the overall value and suitability for projects. uxcell frequently offers multi-packs, such as the 2pcs in the 51100 model or 4pcs in the F8-16M, catering to specific project needs. STYUI, with its 10Pcs F10-20M pack, provides a larger quantity which can be advantageous for users with multiple applications or those requiring replacements. When comparing similar products, considering the per-unit cost within a pack can reveal the most economical choice for projects requiring several bearings of the same type and dimension.
Pros & Cons
uxcell 51100 Thrust Ball Bearings 10mm x 24mm x 9mm Chrome Steel ABEC3 Single Row Roller 2pcs
Pros
- Constructed from durable Chrome Steel (AISI 52100) for enhanced wear resistance.
- Offers a substantial dynamic load rating (Cr: 10kN) suitable for moderate axial forces.
- Features a relatively high limiting speed (6500rpm) for applications with faster rotation.
Cons
- Only available as a 2-piece pack, which may not suffice for larger projects.
- Specific dimensions (10mm x 24mm x 9mm) might limit its versatility across different shaft sizes.
Rannb 51106 Thrust Ball Bearing Axial Ball Thrust Ball Bearings 30mm x 47mm x 11mm -Pack of 3
Pros
- Made of high-durability Chromium Steel (GCr15), resisting deformity under load.
- Larger bore diameter (30mm) accommodates heavier shafts and components.
- Provided as a convenient 3-pack, offering good value for specific applications.
Cons
- Explicitly designed for low-speed operation, limiting its use in high-RPM assemblies.
- Larger outer diameter (47mm) and thickness (11mm) may not fit compact designs.
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Pros
- Features a brass cage, providing good wear and corrosion resistance properties.
- Supplied in a generous 10-piece pack, ideal for multiple or miniature projects.
- Compact dimensions (10mm x 20mm x 7mm) suit smaller, precision applications.
Cons
- Load capacity is typically lower compared to chrome steel bearings, limiting heavy-duty use.
- Brass material may exhibit different temperature resistance characteristics than chrome steel.
Common Mistakes to Avoid
Misinterpreting Load Ratings
A common pitfall involves not correctly distinguishing between dynamic load rating (Cr) and static load rating (Cor). For instance, the uxcell 51100 has a dynamic load rating of 10kN and a static load rating of 14kN. Users sometimes select a bearing based solely on its static rating, failing to account for the fatigue life under continuous rotational loads. This can lead to premature wear or failure in dynamic applications, where the dynamic load capacity is the more critical specification to consider for longevity.
Overlooking Material Specifics for Environmental Fit
Another frequent error is neglecting the specific material composition in relation to the operating environment. While most uxcell and Rannb bearings utilize Chrome Steel (AISI 52100 or GCr15) for high hardness and wear resistance, the STYUI F10-20M features a brass cage. Brass offers distinct advantages like better corrosion resistance in certain humid or chemical environments. However, using a brass-caged bearing in an application requiring the extreme load-bearing or high-temperature capabilities of chrome steel can result in reduced performance and component lifespan.
Ignoring Limiting Speed Specifications
Failing to adhere to the limiting speed (Grease) specification is a critical mistake. For example, the uxcell 51100 is rated for 6500rpm, while the uxcell F8-16M has a lower limiting speed of 4000rpm. Furthermore, the Rannb 51106 is explicitly designed for 'low speed operation only.' Operating a thrust ball bearing beyond its designated limiting speed generates excessive heat, leading to lubricant breakdown, increased friction, and rapid bearing degradation, regardless of its load capacity.
Incorrect Dimensional Matching
Incorrectly matching the bore diameter, outer diameter, or thickness of the bearing to the application's shaft and housing dimensions is a foundational mistake. A 10mm bore bearing like the uxcell 51100 will not fit a 30mm shaft, nor will a 20mm outer diameter bearing like the STYUI F10-20M properly seat in a 24mm housing bore. Precise dimensional alignment is essential for distributing loads evenly and preventing misalignment-induced stress, which can severely compromise the bearing's intended function and lifespan.