Product Specifications
| Parameter |
Details |
| Model NO. |
Nj321, Nj326, Nj328, Nj338, Nj340em |
| Outer Dimension |
Large (200-430mm) |
| 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 |
| Service |
OEM, ODM |
| Transport Package |
Carton, Pallet |
| Specification |
105*225*49 mm |
| Trademark |
BDL |
| Origin |
China |
| HS Code |
8482500090 |
| Production Capacity |
100000 |
Application Industries
| Industry |
Typical Equipment |
| Industrial Machinery |
Machine Tools, Printing Machines, Reducers |
| Auto Parts Manufacturing |
Transmission Systems, Gearboxes |
| Agricultural Machinery |
Harvesters, Tractors |
| New Energy |
Wind Turbines, Photovoltaic Equipment |
| Construction Machinery |
Excavators, Heavy Load Equipment |
Reduce Downtime with Precision Cylindrical Roller Bearings NJ321-NJ340EM for Industrial Machinery
Industrial machinery operators know the cost of unexpected downtime—hours lost to bearing failures, production delays, and emergency repairs. When low-quality bearings fail prematurely, the ripple effect hits your bottom line hard. Sourcing reliable, high-precision bearings with flexible ordering options shouldn’t add to your stress.
Engineered for Industrial Reliability: Cylindrical Roller Bearings You Can Trust
Our Cylindrical Roller Bearings, including models NJ321, NJ326, NJ328, NJ338, and NJ340EM, are designed to solve these challenges. With P0-P4 precision ratings and radial load capacity, they deliver consistent performance in machine tools, reducers, and printing equipment. Backed by our ISO9001-certified manufacturing process, each bearing undergoes strict quality control to ensure durability. We offer 1pc MOQ for standard items and 3–5 day sample lead times, so you can get the parts you need without excessive inventory.
Optimal Performance in Demanding Industrial Conditions
Cylindrical Roller Bearings excel in applications requiring high radial load support and moderate speeds—ideal for industrial machinery like CNC lathes, conveyor systems, and gearboxes. The separated inner and outer rings allow for easy mounting and dismounting, simplifying maintenance. Whether your equipment operates in high-temperature environments or handles heavy loads, these bearings provide the stability needed to keep production running smoothly.
Key Technical Features That Drive Performance
Precision rating is critical for minimizing vibration and extending equipment life. Our P0-P4 options ensure tight tolerances, with P4 bearings offering superior accuracy for high-speed applications. The use of high-grade bearing steel enhances wear resistance, while the single-row design optimizes load distribution. Open seals allow for flexible lubrication—oil, grease, or dry operation—adapting to your specific machinery requirements. The large outer dimension (200-430mm) makes these bearings suitable for heavy-duty industrial equipment where robust performance is non-negotiable.
Why Authentic Bearings Matter for Your Bottom Line
Choosing genuine Cylindrical Roller Bearings over counterfeit alternatives reduces long-term costs. Fake bearings often fail within months, leading to repeated replacements, unplanned downtime, and potential damage to expensive machinery components. Our bearings come with a 12-month global warranty, ensuring you’re covered if issues arise. By investing in quality, you lower total cost of ownership and protect your production schedule from avoidable disruptions.
Your Reliable Bearing Partner Since 2005
Jinan Saifan Bearing has served global buyers across Europe, America, Southeast Asia, and the Middle East for over 18 years. Our full R&D capabilities and QC lab ensure each bearing meets international standards. We offer OEM/ODM customization to match your exact specifications, with strict confidentiality for brand partners. With bulk delivery times of 5–15 days and multiple payment options (T/T, credit card, Alibaba trade), we make ordering seamless. Our technical team provides free guidance, and we stand behind our products with defect replacement and refund policies.
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 after order confirmation
- Global shipping via trusted carriers; buyer covers freight for samples
- Flexible ordering: 1pc MOQ for standard bearings, ideal for emergency repairs
Get Your Industrial Bearings Delivered Fast
Don’t let bearing issues slow down your production. Send us your required model (NJ321, NJ326, NJ328, NJ338, NJ340EM, or other specifications), application details, and quantity today. Our team will respond with a quote within 24 hours, and we’ll get your order shipped quickly to minimize downtime.
Frequently Asked Questions
Q: Are these bearings genuine and traceable?
A: Yes, all our bearings are manufactured in our ISO9001 & ISO14001 certified facility and come with complete traceability documentation.
Q: How do I confirm the right bearing model for my machine?
A: Provide your equipment model or technical parameters (load, speed, dimensions), and our engineering team will assist with free选型确认.
Q: What is the warranty policy?
A: We offer a 12-month global warranty covering manufacturing defects, with free replacement or refund available.
Q: What is the minimum order quantity?
A: Standard items have a 1pc MOQ, supporting both small repairs and bulk orders.
Q: How quickly can you ship?
A: Samples ship in 3–5 days, bulk orders in 5–15 days, with multiple global shipping options.
Q: Do you offer customization?
A: Yes, we provide full OEM/ODM services tailored to your specific design and performance requirements.
Ready to order or need a quote?
Send your bearing designation, application
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.
