NTN 30324 30326 30328 Tapered Roller Bearing for Reducer
Keep your reducer operating at peak efficiency with this precision-engineered Reducer Tapered Roller Bearing from NTN. Designed to handle heavy radial and axial loads, it minimizes friction and wear, ensuring smooth power transmission even in high-torque applications.
- Available in precision ratings from P0 to P2 and vibration grades Z1V1 to Z3V3 for customized performance
- Grease or oil lubrication flexibility adapts to your maintenance routine, reducing downtime
- Authentic NTN quality from Japan, with a 130*280*58 mm specification that fits standard reducer assemblies
Product Specifications
| Parameter | Details |
|---|---|
| Model Number | 30326 |
| Bearing Type | Tapered Roller Bearing |
| Specification | 130*280*58 mm |
| Lubrication | Grease or Oil |
| Precision Rating | P0 P6 P5 P4 P2 |
| Vibration | Z1V1 Z2V2 Z3V3 |
| Trademark | NTN |
| Origin | Japan |
| HS Code | 8482200000 |
| Service | OEM ODM |
| Transport Package | Carton Pallet |
Application Suitability
| Industry | Typical Applications |
|---|---|
| Industrial Machinery | Reducer systems, gearboxes, power transmission units |
| Heavy Equipment | Conveyor drives, material handling machinery |
Need Reliable NTN 30326 Tapered Roller Bearings for Your Reducer? Here’s What You Should Know
Finding the right tapered roller bearing for reducers can be challenging—especially when dealing with multiple brands, unclear specifications, or long lead times. A mismatched bearing size or poor quality often leads to premature wear, increased downtime, and unexpected maintenance costs. As a supplier with years of experience in industrial bearings, we understand how critical it is to get the right part the first time.
Engineered for Reducer Performance and Durability
The NTN 30326 tapered roller bearing is designed to handle both radial and axial loads, making it ideal for reducer applications where power transmission efficiency is key. With ISO 9001-certified manufacturing processes and strict quality control—including raw material inspection and成品尺寸 verification—this bearing meets the demands of industrial environments. Our extensive inventory ensures quick availability, while our ability to source across international brands means you can get the exact model you need without multiple supplier delays.
Optimal Conditions for Long Service Life
This 30326 bearing performs best in moderate to high-load reducer systems operating at stable temperatures. With dimensions of 130mm (bore) x 280mm (outer diameter) x 58mm (width), it fits standard reducer configurations, providing reliable torque transmission. The precision ratings (P0 to P2) allow customization based on application requirements—from general industrial use (P0) to high-precision machinery (P2). Proper lubrication (grease or oil) and vibration control (Z1V1 to Z3V3) further extend service life in dusty or high-vibration environments.
Key Engineering Features That Impact Performance
The tapered roller design distributes loads evenly across the raceways, reducing stress concentrations and improving durability compared to standard ball bearings. Precision ratings directly affect rotational accuracy—P5 or higher grades minimize vibration, critical for reducer efficiency. Vibration classes (Z1V1 to Z3V3) indicate manufacturing quality; higher classes (Z3V3) ensure smoother operation, reducing noise and wear in high-speed reducers. The 58mm width provides sufficient contact area to handle axial loads common in gearbox applications, while the 130x280mm dimensions ensure compatibility with industry-standard reducer shafts and housings.
Why Choosing the Right Bearing Lowers Total Cost
Investing in a quality tapered roller bearing like the NTN 30326 reduces long-term costs by minimizing downtime and maintenance. Poorly manufactured bearings often fail early due to material inconsistencies or imprecise dimensions, leading to costly repairs and production losses. This bearing’s robust construction and adherence to NTN’s engineering standards ensure predictable performance, aligning with ISO 281 load-life calculations for reliable service. By selecting the correct precision and vibration等级, you avoid over-specifying (unnecessary cost) or under-specifying (premature failure), optimizing your total cost of ownership.
Quality and Reliability You Can Trust
Our NTN 30326 bearings undergo rigorous quality checks, including dimensional verification (130*280*58mm) and hardness testing, ensuring compliance with international standards. We provide a warranty against manufacturing defects, with clear terms for returns and replacements. As a full-service supplier, we offer not just NTN products but also access to other leading brands (SKF, NSK, Koyo, etc.) and国产优质品牌, all through a single procurement channel. With production capacity exceeding 1,000,000 units annually, we can fulfill both small urgent orders and large-scale requirements efficiently.
Packaging & Shipping
- Packaged in cartons with pallet options for bulk orders
- Ready for immediate dispatch from stock inventory
- Shipping via courier, air, or sea based on your timeline and budget
- Low minimum order quantity to support small-scale maintenance or large production runs
Get a Quote for NTN 30326 Tapered Roller Bearings
Whether you need the NTN 30326 or other tapered roller bearings for reducers, we can help. Provide your required quantity, delivery location, and any specific brand or precision requirements, and our team will respond with pricing and availability within 24 hours. Early confirmation ensures priority processing and faster delivery.
Frequently Asked Questions
Q: Do you supply other bearing brands or models besides NTN?
A: Yes, we offer a full range of international brands (SKF, NSK, Koyo, NACHI, etc.) and国产优质品牌, and can source specific models as per your requirements.
Q: How can I confirm if the 30326 bearing fits my reducer?
A: Provide your reducer model or existing bearing dimensions (bore, outer diameter, width), and our technical team will verify compatibility.
Q: What is your warranty policy for this bearing?
A: We provide a warranty against manufacturing defects.具体条款以合同约定为准, but typically cover material and workmanship issues.
Q: What is the minimum order quantity for the NTN 30326?
A: We support low minimum order quantities, making it suitable for both small maintenance orders and large production requirements.
Q: How long does shipping take, and what options are available?
A: Stock items ship immediately. Shipping time depends on location—courier (3-7 days), air (5-10 days), or sea (3-6 weeks). We’ll recommend the best option based on your needs.
Q: Can you provide OEM or ODM services for tapered roller bearings?
A: Yes, we support OEM/ODM customization, including branding, packaging, and specifications tailored to your 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 phone for immediate assistance.
- Product Name
- NTN 30324 30326 30328 Tapered Roller Bearing for Reducer
- Category
- Taper Roller Bearing
- Brand
- SKF
- Certification
- ISO 9001 · TS 16949
- Lead Time
- 7 Working Days
Our engineers will respond within 12 hours with a tailored solution.
Request QuoteGeneral Specifications
| Bearing Type | Taper Roller Bearing |
| Brand | SKF |
| Quality Standard | ISO 9001 / TS 16949 |
| Precision Grade | P0 / P5 / P6 (custom) |
| Material | Chrome Steel / Stainless |
| Cage Material | Steel / Brass / Polyamide |
| Lubrication | Grease / Oil (specify) |
| Operating Temp. | -40°C to +200°C |
| Min. Order Qty | 1 pc (samples available) |
| Prototype Lead Time | 7 Working Days |
Performance Parameters
| Load Capacity | Contact for C0/Cr values |
| Speed Rating | Contact for ndm limit |
| Vibration Level | Z1 / Z2 / Z3 (custom) |
| Noise Level | V1 / V2 / V3 (custom) |
| Fatigue Life | L10h per ISO 281 |
| Sealing Options | Open / Z / 2Z / RS / 2RS |
Our engineering team can modify bearing dimensions, materials, seals, and clearances to meet your specific operating requirements. Submit your drawing or spec sheet for a tailored proposal.
Wind Power
Main shaft bearings, gearbox bearings, and generator bearings for onshore and offshore wind turbines.
Mining & Quarrying
Heavy-duty bearings for crushers, conveyors, and rotary equipment in extreme dust and shock-load environments.
Steel & Metallurgy
High-temperature bearings for rolling mills, continuous casting, and furnace applications.
Automotive / EV
Wheel hub bearings, transmission bearings, and e-motor bearings for passenger and commercial vehicles.
Rail Transit
Axle box bearings, traction motor bearings, and gearbox bearings meeting EN/UIC railway standards.
Precision Machinery
High-precision spindle bearings, angular contact bearings, and super-precision bearings for CNC and robotics.
Application Design
EngineeringOur engineers analyze your operating conditions -- load, speed, temperature, environment -- and select or design the optimal bearing solution to maximize service life and reduce total cost of ownership.
Custom Modification
7-Day TurnaroundNeed non-standard dimensions, special materials, or modified clearances? We can modify standard SKF bearings or manufacture fully custom solutions with a 7-day prototype turnaround.
Failure Analysis
DiagnosticsWhen bearings fail prematurely, our team conducts root-cause analysis using advanced diagnostic tools to identify the failure mode and recommend corrective action.
Predictive Maintenance
Up to 40% Less DowntimeWe deploy vibration monitoring, thermal imaging, and oil analysis programs that detect bearing deterioration early -- reducing unplanned downtime by up to 40%.
On-site Installation
Global CoverageProper installation is critical to bearing performance. Our certified technicians provide on-site installation support, alignment verification, and operator training worldwide.
Lifecycle Support
Enterprise SLAFrom initial selection through end-of-life, our dedicated account managers provide scheduled maintenance plans, re-lubrication programs, and replacement forecasting for enterprise clients.
The engineering partner advantage
Get a custom quote for
NTN 30324 30326 30328 Tapered Roller Bearing for Reducer
NDA protected · Free samples for orders > $50K · Reply within 12 hours