Product Specifications
| Parameter |
Details |
| Model NO. |
NN3030 |
| Outer Dimension |
35mm-180mm |
| Material |
Bearing Steel |
| Spherical |
Non-Aligning Bearings |
| Load Direction |
Radial Bearing |
| Separated |
Separated |
| Product Name |
Cylindrical Roller Bearing |
| Structure |
Cylindrical |
| Seals Type |
Open |
| Lubricate |
Oil Grease Dry |
| Precision Rating |
P0 P6 P5 P4 P2 |
| Number of Row |
Single Row |
| Vibration |
V1V2V3V4 |
| Service |
OEM ODM |
| Transport Package |
Carton Pallet |
| Specification |
150*225*56 mm |
| Trademark |
BDL |
| Origin |
China |
| HS Code |
8482500090 |
| Production Capacity |
100000 |
Application Industries
| Industry |
Typical Equipment |
| Industrial Machinery |
Machine Tools, Printing Equipment, Reducers |
| Automotive |
Transmission Systems, Gearboxes |
| Manufacturing |
CNC Machines, Spindles, Electric Motors |
| Agriculture |
Harvesters, Tractors, Heavy-Duty Farm Machinery |
| New Energy |
Wind Turbines, Solar Panel Production Equipment |
Reduce Machinery Downtime with High Precision Double Row Cylindrical Roller Bearings NN3030 P4
Industrial machinery operators know the cost of unexpected downtime—missed deadlines, maintenance overtime, and production losses add up quickly. When low-precision bearings vibrate excessively or fail prematurely, machine tools, reducers, and printing equipment grind to a halt. Sourcing reliable high-precision bearings with flexible MOQs and fast delivery can mean the difference between meeting targets and falling behind.
Engineered for Precision: High Precision Cylindrical Roller Bearings You Can Rely On
Our High Precision Double Row Cylindrical Roller Bearings (NN3030, NN3032, NN3034) are designed to solve these challenges. With P4 precision rating and W33 lubrication groove design, they deliver stable performance in high-speed, heavy-load industrial applications. Backed by our ISO9001-certified production processes and 12-month global warranty, these bearings ensure consistent quality—no more guessing about durability or fit. Whether you need a single replacement for emergency repairs or bulk orders for production lines, our 1pc MOQ and 3–5 day sample lead time keep your operations running.
Optimal Performance in Demanding Industrial Environments
These Double Row Cylindrical Bearings excel in machinery where radial load capacity and precision are critical. From CNC machine spindles to heavy-duty reducers, their separated inner and outer rings allow for easy mounting and dismounting, simplifying maintenance. The non-aligning design ensures stability under high radial loads, while the V1-V4 vibration grades minimize noise and energy loss. In temperatures ranging from standard to high-heat industrial settings, the bearing steel construction maintains integrity, making them ideal for continuous operation in manufacturing plants and processing facilities.
Technical Features That Drive Machinery Efficiency
The precision rating of P4 is not just a specification—it directly impacts your machinery’s accuracy. P4-grade bearings reduce runout and axial clearance, ensuring tighter tolerances in CNC machining and printing applications. The separated structure allows for quick installation, reducing downtime during maintenance. With lubrication options including oil, grease, and dry operation, these bearings adapt to diverse machinery requirements. The radial load design handles heavy loads without compromising speed, making them suitable for both high-torque reducers and high-RPM spindles. Each bearing undergoes rigorous QC testing in our lab, ensuring compliance with global industrial standards.
Why Cutting Corners on Bearings Costs More in the Long Run
Choosing low-quality bearings to save on upfront costs often leads to higher expenses later. Counterfeit or substandard bearings fail prematurely, causing equipment damage and unplanned downtime. A single hour of production loss in a manufacturing plant can exceed the cost of a premium bearing. Our High Precision Double Row Bearings, built with authentic bearing steel and strict quality controls, offer longer service life and consistent performance. With free technical guidance and defect replacement policies, we help you avoid the hidden costs of poor-quality components—protecting your machinery investment and bottom line.
Your Trusted Partner for Bearing Solutions Since 2005
Jinan Saifan Bearing has served global buyers across Europe, America, Southeast Asia, and the Middle East for over 18 years. Our integrated manufacturing and exporting capabilities ensure stable supply, even for custom OEM/ODM requirements. With a full R&D team and ISO14001-certified facilities, we prioritize both quality and sustainability. Our 100,000-unit monthly production capacity means we can fulfill large orders without delays, while our free sample policy (buyer covers freight) lets you verify performance before committing. We stand behind every bearing with a 12-month warranty and responsive after-sales support, ensuring you have a reliable partner for the long term.
Packaging & Shipping
- Secure carton and pallet packaging to prevent damage during transit
- Sample lead time: 3–5 days for standard items
- Bulk delivery: 5–15 days, with flexible shipping via T/T, credit card, or Alibaba trade
- Real-time tracking provided for all shipments
- 1pc MOQ available for standard bearings, supporting emergency repairs and small-batch orders
Get Your Precision Bearings Shipped Fast
Don’t let bearing issues slow down your production. Send us your bearing model (NN3030, NN3032, or NN3034), application details, and quantity, and we’ll provide a quote within 24 hours. With free samples available and bulk orders shipping in as little as 5 days, you can minimize downtime and keep your machinery running at peak efficiency.
Frequently Asked Questions
Q: Are these bearings authentic and traceable?
A: Yes, all our bearings are manufactured in our ISO9001-certified facilities and can be traced through our quality control system. We provide full documentation for OEM/ODM orders.
Q: How do I confirm if the NN3030 P4 bearing fits my machine?
A: Provide your equipment model or technical specifications (load, speed, operating temperature), and our engineering team will verify compatibility and offer free选型 guidance.
Q: What is your warranty policy?
A: We offer a 12-month global warranty covering manufacturing defects. Defective products will be replaced or refunded at no cost to you.
Q: What is the minimum order quantity?
A: Standard items have a 1pc MOQ, ideal for emergency repairs
Tags:
Double Row Cylindrical Bearings
High Precision Cylindrical Roller Bearings
High Precision Double Row Bearings for Machinery
Industrial Machinery Bearings
NN3030 P4 Bearings
NN3032 P4 Precision Bearings
NN3034 Cylindrical Roller Bearings W33
W33 Cylindrical Roller Bearings
