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Ensure smooth, reliable performance in your machinery with our high-quality HR30318j Tapered Roller Bearing. Designed to handle heavy radial and axial loads, this single-row separated bearing minimizes downtime and reduces maintenance hassles, keeping your operations running efficiently.
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Free application analysis · Failure diagnosis · Custom modification guidance. Response within 24 hours.
| Parameter | Details |
|---|---|
| Model Number | 51102, 51105, 51208 |
| Bearing Type | Tapered Roller Bearing |
| Material | Bearing Steel |
| Cage | Steel Cage/Brass Cage |
| Precision Rating | P0, P6, P5, P4, P2 |
| Specification | 15*28*9 mm |
| Load Direction | Thrust Bearing |
| Rows Number | Single |
| Separated | Separated |
| Aligning | Non-Aligning Bearing |
| Contact Angle | 0° |
| Lubrication | Grease or Oil |
| Vibration | Z1V1, Z2V2, Z3V3 |
| Standard | DIN, GB, ISO, JIS, ANSI |
| Service | OEM, ODM |
| Certification | ISO9001:2008 |
| Trademark | BDL Or other international brands |
| Origin | China |
| Transport Package | Carton, Pallet |
| Industry | Typical Applications |
|---|---|
| Automotive | Transmission systems, wheel hubs |
| Industrial Machinery | Hydraulic presses, gearboxes |
| Steel Metallurgy | Rolling mill equipment, conveyor systems |
| Construction | Heavy-duty axle assemblies, lifting machinery |
Finding the right tapered roller bearing for your equipment can be a headache—with countless models, inconsistent quality, and compatibility issues leading to costly downtime. Many buyers face the frustration of mismatched dimensions or premature failures due to substandard materials, especially in high-thrust applications like industrial gearboxes and automotive transmissions.
The HR30318j-30321j Tapered Roller Bearing addresses these challenges with precision-engineered components and a design optimized for single-row thrust loads. Manufactured under ISO 9001:2008 certified processes, this bearing combines high-quality bearing steel construction with precision ratings from P0 to P2, ensuring reliable performance in critical systems such as hydraulic presses and steel rolling mills. Our extensive inventory and multi-brand sourcing capabilities mean you can secure the exact specifications you need without juggling multiple suppliers.
Designed for non-aligning, separated configurations with a 0° contact angle, this tapered roller bearing excels in applications requiring efficient transfer of axial loads. Its single-row design makes it ideal for compact installations where space is limited, while the option of steel or brass cages allows customization based on operating conditions—from high-speed rotation to heavy-duty industrial environments. Whether used in automotive wheel hubs or construction machinery axles, proper lubrication with grease or oil ensures minimal friction and extended service life.
The bearing’s performance is defined by critical specifications that directly affect operational efficiency. The 15*28*9 mm dimension ensures precise fit in standard housing configurations, while the separated design simplifies installation and maintenance. Bearing steel material provides excellent hardness and wear resistance, crucial for withstanding the stresses of continuous operation. Precision ratings (P0-P2) control dimensional accuracy, reducing vibration (Z1V1-Z3V3 grades) and noise in high-precision applications. For users, these features translate to fewer replacements, lower maintenance costs, and consistent machinery performance.
Selecting a substandard tapered roller bearing may seem like a cost-saving measure, but it often leads to higher total costs. Poor material quality can result in early wear, causing equipment vibration,异响, and even catastrophic failure—disrupting production and requiring expensive repairs. In contrast, the HR30318j-30321j series, with its rigorous testing and adherence to international standards (DIN, ISO, JIS), minimizes these risks. By investing in a bearing that meets precision and material requirements, you reduce downtime and extend the lifespan of your machinery, ultimately lowering long-term operational expenses.
Our commitment to quality is backed by ISO 9001:2008 certified production processes, ensuring every bearing undergoes strict原材料检验 and成品 testing for dimensions, hardness, and surface treatment. We stand behind our products with a warranty covering manufacturing defects, providing peace of mind for your critical applications. Whether you need bearings under our BDL brand or specific international brands, our sourcing network allows us to fulfill orders according to your exact specifications, with the flexibility to support both OEM and ODM requirements.
Don’t let bearing selection delays hold up your project. Provide us with your required model, dimensions, and quantity, and our team will quickly confirm availability and pricing. With our ability to source across brands and support custom requirements, we’re your one-stop solution for reliable tapered roller bearings.
Q: Can you supply other brands or models of tapered roller bearings?
A: Yes, we offer a full range of bearing brands and models, including international and domestic options. Simply provide the specific brand or dimensions, and we’ll source accordingly.
Q: How do I confirm if this bearing fits my equipment?
A: Share your equipment’s bearing requirements (model number or dimensions: bore diameter, outside diameter, width) and our technical team will verify compatibility with the HR30318j-30321j series.
Q: What is the warranty policy for this bearing?
A: We provide a warranty against manufacturing defects. The exact terms are specified in each order contract, ensuring coverage for material and workmanship issues.
Q: What is the minimum order quantity?
A: We support low minimum order quantities, making it easy to order small batches for testing or maintenance, as well as large volumes for production.
Q: How quickly can you ship the HR30318j-30321j bearing?
A: In-stock bearings are shipped within 1-3 business days. Shipping time depends on your location and chosen method (courier, air, or sea freight).
Q: Do you offer OEM/ODM services for tapered roller bearings?
A: Yes, we support OEM and ODM customization
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Official partner since 1998 with direct access to SKF technical resources, genuine products, and engineering expertise.
In-house team provides application design, failure analysis, and predictive maintenance -- reducing bearing failures by 35%.
Every product undergoes rigorous pre-shipment inspection with full documentation for traceability and compliance.
Dedicated account managers and reliable delivery networks ensure on-time supply for enterprise clients worldwide.
Performance Metrics
35%
Failures Prevented
70%
Downtime Reduction
25+
Years Experience
24h
Quote Response
78% of large enterprises prefer suppliers offering integrated technical support and lifecycle services.
Custom bearing selection and system design based on your specific load conditions, speeds, temperatures, and environmental factors.
Root-cause investigation of bearing failures using metallurgical testing, vibration analysis, and operating data review.
IIoT-enabled monitoring with smart sensor bearings for real-time vibration, temperature, and RPM tracking.
Modified bearings with special coatings, seals, tolerances, or materials. Lead time 8-12 weeks from official channels.
Certified engineers available for on-site installation support, alignment checks, and commissioning assistance worldwide.
Long-term service agreements including regular maintenance checks, replacement scheduling, and performance reporting.
Free samples available for orders over $50K
Validated against your KPIs before full production commitment.
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Our certified engineers will review your application requirements and provide a detailed quote within 24 hours.
Address
No. 377 Bansongyuan Road, Huangpu District, Shanghai, China
Free Sample Program
Orders over $50K qualify for free product samples
Test against your KPIs before full production commitment. Ask our engineers for details.
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