Product Specifications
| Parameter |
Details |
| Model NO. |
NA4834 |
| Load Direction |
Radial Bearing |
| Style |
Without Outer Ring, Without Inner Ring |
| Material |
Bearing Steel |
| Type |
Closed |
| Product Name |
Needle Roller Bearing |
| Lubrication |
Grease or Oil |
| Precision Rating |
P0 P6 P5 P4 P2 |
| Clearance |
C0 C3 C4 |
| Delivery Time |
3-7 days |
| Service |
OEM ODM |
| Transport Package |
Carton Pallet |
| Specification |
170*215*45 mm |
| Origin |
China |
| HS Code |
8482102000 |
| Production Capacity |
1000000 |
Application Industries
| Industry |
Typical Equipment |
| Industrial Machinery |
Machine Tools, Printing Equipment, Reducers |
| Automotive |
Transmission Systems, Engine Components |
| Agricultural Machinery |
Harvesters, Tractors |
| New Energy |
Wind Turbines, Photovoltaic Equipment |
| Heavy Machinery |
Excavators, Construction Equipment |
Eliminate Downtime with NA4834 Needle Roller Bearings for Industrial Machinery
Manufacturing plants lose thousands in production costs yearly due to bearing failures. Misaligned precision, short service life, and delayed deliveries of critical components like needle roller bearings often disrupt entire production lines. When machinery grinds to a halt, every hour counts—especially for high-precision equipment where standard parts can’t meet performance demands.
NA4834 Needle Roller Bearings: Engineered for Reliable Industrial Performance
Our NA4834 Needle Roller Bearing addresses these challenges with P0-P4 precision ratings, ensuring compatibility with high-speed industrial machinery. As an integrated manufacturer with ISO9001 certification, we control production from raw material selection to final inspection, delivering bearings that maintain stable performance even under radial loads. With 1pc MOQ for standard items and 3-7 days delivery, we support both emergency repairs and bulk production needs without compromising quality.
Optimal Performance in Demanding Industrial Environments
This needle roller bearing excels in applications requiring high radial load capacity and compact design—ideal for machine tool spindles, printing presses, and reducers. Its closed type construction and bearing steel material provide durability in continuous operation, while options for grease or oil lubrication allow adaptation to specific machinery requirements. Whether operating in moderate temperatures or high-vibration settings, the NA4834 maintains clearance stability (C0/C3/C4) to prevent premature wear.
Key Technical Attributes That Drive Machinery Efficiency
Precision rating directly impacts machinery accuracy: P4 grade bearings reduce runout to 5μm, critical for CNC machine tools where even minor deviations affect workpiece quality. The 170*215*45 mm specification balances load capacity with space constraints, supporting radial forces without increasing equipment footprint. Clearance grades C3 and C4 accommodate thermal expansion in high-temperature applications, while the closed design minimizes contamination risks in dusty industrial settings. These engineering details translate to longer bearing life and fewer maintenance interruptions.
Why Authentic Bearings Lower Total Cost of Ownership
Counterfeit needle roller bearings may offer lower upfront prices, but they often fail within months, causing secondary damage to shafts and housings. Our bearings undergo rigorous QC testing, including dimensional inspection and material analysis, ensuring compliance with international standards. With a 12-month global warranty, we stand behind every unit—meaning you avoid unexpected replacement costs and production downtime. For industrial machinery makers, investing in authentic P0-P4 precision bearings reduces long-term expenses by up to 40% compared to frequent low-quality replacements.
Your Trusted Partner for Industrial Bearing Solutions
Since 2005, Jinan Saifan Bearing has served global buyers across Europe, America, and Southeast Asia, building a reputation for stable supply and technical expertise. Our in-house R&D team and QC lab ensure each bearing meets design specifications, while OEM/ODM capabilities allow customization for unique machinery requirements. We provide free technical guidance to help select the right clearance and precision等级, and our defect replacement policy ensures peace of mind. With production capacity of 1,000,000 units annually, we maintain stock for rapid delivery, even during peak demand periods.
Packaging & Shipping
- Carton pallet packaging with protective inner layers to prevent damage during transit
- 3-7 days delivery for standard orders, with expedited options available for emergency needs
- Flexible shipping via TNT, DHL, or sea freight based on order size and urgency
- Real-time tracking numbers provided once shipment is dispatched
- 1pc minimum order quantity supported for critical replacement scenarios
Secure Your Machinery’s Performance Today
Don’t let bearing issues derail your production schedule. Whether you need NA4834, NA4836, or NA4838 bearings, our team can confirm compatibility with your equipment and provide a detailed quote. With fast sample provision and bulk delivery, we help minimize downtime and keep your machinery running at peak efficiency.
Frequently Asked Questions
Q: Are these genuine needle roller bearings?
A: Yes, all our bearings are manufactured in-house under ISO9001 and ISO14001 certifications, with full traceability from raw materials to finished products.
Q: How do I confirm if the NA4834 fits my machinery?
A: Provide your equipment model or shaft/housing dimensions, and our technical team will verify compatibility and recommend the appropriate clearance and precision等级.
Q: What is the warranty period for these bearings?
A: We offer a 12-month global warranty covering manufacturing defects, with free replacement or refund available for non-conforming products.
Q: What is the minimum order quantity?
A: Standard items have a 1pc MOQ, supporting both emergency repairs and small-batch testing.
Q: How quickly can I receive my order?
A: Samples are available in 3-5 days, and bulk orders ship within 5-15 days depending on specifications.
Q: How can I verify the authenticity of the bearings?
A: Each bearing includes production batch codes, and we can provide material test reports and certification documents upon request.
Ready to order or need a quote?
Send your bearing designation, application details, and quantity — we’ll respond within 24 hours.
