Description
Product Specifications
| Parameter | Details |
|---|---|
| Model Number | 30302 |
| Bearing Type | Tapered Roller Bearing |
| Specification (d x D x B) | 15*42*13 mm |
| Lubrication | Grease or Oil |
| Precision Rating | P0, P6, P5, P4, P2 |
| Vibration | Z1V1, Z2V2, Z3V3 |
| Trademark | NTN |
| Origin | Japan |
| HS Code | 8482200000 |
Application Suitability
| Industry | Typical Applications |
|---|---|
| Automotive | Transmission systems, wheel hubs |
| Industrial Machinery | Conveyor drives, gearboxes |
| Construction | Heavy equipment axles, hydraulic pumps |
Need a Reliable NTN 30302 Tapered Roller Bearing? Avoid Common Pitfalls
Finding the right tapered roller bearing can be frustrating—especially when dealing with mismatched dimensions, inconsistent quality, or limited brand options. Many buyers face delays from suppliers who can’t source specific models, or worse, receive bearings that fail prematurely due to poor material quality. As a professional bearing supplier, we understand these challenges firsthand.
Engineered for Consistent Performance in Demanding Conditions
This NTN 30302 tapered roller bearing is designed to solve these issues with its precision manufacturing and versatile specifications. With ISO 9001 certified production processes, we ensure each bearing meets strict quality standards, from raw material inspection to final dimensional testing. Whether you need a direct replacement for automotive transmissions or industrial gearboxes, our extensive inventory includes not just NTN but also other major brands like SKF, NSK, and Timken, allowing you to source all your bearings from a single supplier.
Optimal Performance in Radial and Axial Load Applications
Tapered roller bearings excel in applications where both radial and axial loads are present, making the 30302 ideal for heavy-duty machinery. Its 15mm bore diameter, 42mm outer diameter, and 13mm width strike a balance between compact size and load capacity, suitable for equipment like conveyor drives and construction vehicle axles. The bearing’s vibration grades (Z1V1 to Z3V3) also ensure smooth operation, reducing noise and extending equipment life in high-speed scenarios.
Key Engineering Features That Impact Reliability
The 30302’s precision rating options (P0 to P2) allow you to match performance to your application requirements—P0 for general use, P2 for high-precision machinery. Its ability to use either grease or oil lubrication adds flexibility, adapting to different operating environments. The bearing’s taper angle is optimized to distribute loads evenly across rolling elements, minimizing stress concentrations and preventing early wear. Additionally, NTN’s manufacturing expertise ensures tight dimensional tolerances, critical for interchangeability when replacing existing bearings in complex assemblies.
Why Choosing the Right Bearing Lowers Total Costs
Investing in a quality tapered roller bearing like the 30302 reduces long-term expenses by avoiding downtime from premature failures. Inferior bearings often have inconsistent hardness, leading to excessive wear and equipment breakdowns. In contrast, this bearing undergoes rigorous hardness testing and surface treatment checks, ensuring it withstands the rigors of industrial use. By selecting the correct precision class and vibration grade upfront, you also avoid costly rework or replacements, making the initial investment in a reliable bearing far more economical than cutting corners on quality.
Quality You Can Trust: From Production to Delivery
Our commitment to quality starts with ISO 9001 certified production and inspection processes. Each bearing undergoes thorough testing, including dimensional accuracy checks and surface hardness verification, to ensure compliance with international standards. We provide a warranty against manufacturing defects, giving you confidence in your purchase. With extensive现货库存 (ready stock), we can fulfill orders quickly, whether you need a single unit or bulk quantities. Our supply chain also supports OEM and ODM customization, allowing us to meet unique application requirements.
Packaging & Shipping
- Standard packaging: Carton and pallet for secure transportation
- Ready stock availability for immediate dispatch
- Flexible shipping options: Express courier, air freight, or sea freight
- Low minimum order quantity, supporting both small and large-scale purchases
Get Your NTN 30302 Bearing Quote Today
Whether you need the NTN 30302 or other tapered roller bearing models (30303, 30304, etc.), we can provide competitive pricing and fast delivery. Simply share the bearing model, required quantity, and delivery location, and our team will respond with a detailed quote. With access to a wide range of brands and models, we make sourcing bearings straightforward and efficient.
Frequently Asked Questions
Q: Do you supply other bearing brands and models besides NTN?
A: Yes, we offer a full range of bearings from international brands like SKF, NSK, Koyo, NACHI, IKO, FAG, Timken, as well as domestic quality brands. We can source any specified model according to your requirements.
Q: How can I confirm if the 30302 bearing fits my equipment?
A: Provide your equipment’s bearing dimensions (bore diameter, outer diameter, width) or existing model number, and our technical team will verify compatibility with the NTN 30302 specifications.
Q: What is your warranty policy for bearings?
A: We provide a warranty against manufacturing defects. Specific terms are outlined in the sales contract, and defective products can be replaced or refunded within the warranty period.
Q: What is the minimum order quantity for this bearing?
A: We support low minimum order quantities, including small trial orders, to accommodate your needs whether you require a single unit or large volume.
Q: How quickly can you ship the NTN 30302 bearing?
A: The 30302 is typically in stock, allowing for same-day or next-day dispatch. Shipping time depends on the selected method (courier, air, or sea freight).
Q: Do you offer OEM or ODM services for bearings?
A: Yes, we support OEM and ODM customization. We can produce bearings according to your provided drawings, specifications, or branding requirements.
Ready to order or need a quote?
Send the bearing model, dimensions (d x D x B), and quantity — we’ll get back to you with pricing and lead time.
Contact us via email or our online form for prompt assistance.







