Product Specifications
| Parameter |
Details |
| Model NO. |
NN3068 |
| Product Name |
Cylindrical Roller Bearing |
| Structure |
Cylindrical |
| Outer Dimension |
35mm-180mm |
| Specification |
340*520*133 mm |
| Material |
Bearing Steel |
| Precision Rating |
P0 P6 P5 P4 P2 |
| Load Direction |
Radial Bearing |
| Spherical |
Non-Aligning Bearings |
| Separated |
Separated |
| Seals Type |
Open |
| Lubricate |
Oil Grease Dry |
| Number of Row |
Single Row |
| Vibration |
V1V2V3V4 |
| Service |
OEM ODM |
| Trademark |
BDL |
| Origin |
China |
| HS Code |
8482500090 |
Application Industries
| Industry |
Typical Equipment |
| Industrial Machinery |
Machine Tools, Printing Equipment, Reducers |
| Automotive |
Transmission Systems, Gearboxes |
| Heavy Machinery |
Construction Equipment, Crushers |
| Manufacturing |
CNC Machines, Spindles |
Reduce Downtime with NN3068 High Precision Cylindrical Roller Bearing for Industrial Machinery
Industrial machinery operators know the frustration of unexpected downtime caused by bearing failures. When precision components like machine tool spindles or printing presses malfunction, production halts, deadlines slip, and repair costs mount. Many face challenges with sourcing reliable high-precision bearings that balance performance, lead time, and customization options—especially for specialized applications requiring P4 grade accuracy.
NN3068 Cylindrical Roller Bearing: Engineered for Stable Industrial Performance
Our NN3068 High Precision P4 Grade Cylindrical Roller Bearing addresses these pain points with factory-direct manufacturing capabilities and strict quality control. As an integrated bearing manufacturer with ISO9001 and ISO14001 certifications, we ensure each bearing meets P4 precision standards (0.001mm runout tolerance) and Z2-Z4 noise grades, critical for high-speed industrial machinery. The separated inner and outer rings allow easy installation and maintenance, while bearing steel construction delivers durability for heavy radial load applications in machine tools and reducers.
Optimal Performance in Demanding Industrial Environments
This cylindrical roller bearing excels in high-load, high-precision industrial applications where rotational stability is non-negotiable. With dimensions 340*520*133 mm, it supports radial loads in machinery operating at moderate to high speeds, thanks to its open design and compatibility with oil, grease, or dry lubrication systems. The single-row structure balances load capacity with compact installation, making it ideal for tight spaces in printing equipment and CNC machine spindles—where vibration control (V1-V4 grades) directly impacts product quality.
Precision Engineering That Drives Machinery Reliability
The P4 precision rating of this NN3068 bearing ensures minimal radial and axial runout, critical for maintaining spindle accuracy in precision machining. Its separated design allows for easy mounting and dismounting, reducing maintenance time during equipment overhauls. The bearing steel material provides excellent wear resistance, extending service life in continuous-operation industrial settings. When paired with proper lubrication, the open seal type facilitates heat dissipation, preventing premature failure in high-temperature environments common in manufacturing facilities.
Why Compromising on Bearing Quality Costs More in the Long Run
Choosing low-quality bearings may seem cost-effective initially, but the hidden costs add up quickly. A single bearing failure in a production line can cause hours of downtime, costing thousands in lost output. Inferior materials lead to accelerated wear, requiring frequent replacements. Our high-precision cylindrical roller bearings, backed by a 12-month global warranty, reduce these risks by delivering consistent performance. We adhere to strict quality control processes in our R&D and QC lab, ensuring each bearing meets international standards—ultimately lowering your total cost of ownership through reduced maintenance and longer service intervals.
Your Reliable Partner for Industrial Bearing Solutions
With 18 years of experience serving global buyers across Europe, America, and Southeast Asia, Jinan Saifan Bearing has established a reputation for stable supply and competitive pricing. Our manufacturing capacity of 100,000 units monthly ensures we can meet both small-batch and large-volume orders, with 1pc MOQ for standard items and 3-5 day sample lead times. We offer full OEM/ODM customization to match your specific machinery requirements, supported by free technical guidance. Our quality commitment is reinforced by ISO9001 and ISO14001 certifications, and we stand behind every product with defect replacement and refund options.
Packaging & Shipping
- Carton and pallet packaging for secure transportation
- 3-5 days sample lead time for testing and validation
- 5-15 days bulk delivery for standard orders
- Flexible shipping options including express, air, and sea freight
- 1pc minimum order quantity for emergency replacements
Get Your NN3068 Bearing Shipped Fast
Don’t let equipment downtime impact your production schedule. Whether you need a single replacement bearing or a bulk order for your manufacturing line, we can deliver the NN3068 High Precision Cylindrical Roller Bearing quickly. Send us your specifications today, and our technical team will ensure the bearing matches your machinery requirements—helping you get back to full operation with minimal delay.
Frequently Asked Questions
Q: Is this NN3068 bearing manufactured to genuine quality standards?
A: Yes, we are an integrated manufacturer with ISO9001 and ISO14001 certifications. Each bearing undergoes strict quality control in our QC lab to ensure compliance with P4 precision and performance standards.
Q: How can I confirm if the NN3068 is suitable for my machine tool?
A: Provide your equipment model, operating speed, and load requirements. Our technical team offers free guidance to verify compatibility and recommend optimal lubrication and installation practices.
Q: What warranty coverage do you offer for this bearing?
A: We provide a 12-month global warranty. If the bearing fails due to manufacturing defects, we offer free replacement or refund.
Q: What is the minimum order quantity for the NN3068 bearing?
A: We accept 1pc MOQ for standard items, supporting both emergency repairs and small-batch requirements.
Q: How long does it take to ship the NN3068 bearing?
A: Standard samples ship within 3-5 days, and bulk orders within 5-15 days. We offer DHL, FedEx, and Alibaba Trade Assurance for secure, trackable delivery.
Ready to order or need a quote?
Send your bearing designation, application details, and quantity — we'll respond
Quality Assurance
100% Inspection
High-grade chrome steel, raw material QC, full-process monitoring, ISO/ABMA/DIN compliance.
Delivery
3-15 Days
Samples in 3-5 days, bulk orders 5-15 days. Free samples for distributors (freight collect).
Customization
Full OEM/ODM
P0-P4 precision grades, Z2-Z3-Z4 noise levels. Custom drawings welcome.
After-Sales
12-Month Warranty
Professional technical guidance and failure solutions from our R&D team.
