Product Specifications
| Parameter |
Details |
| Model NO. |
Double Row Cylindrical Roller Bearing |
| Outer Dimension |
Medium and Large(120-190mm) |
| Material |
Bearing Steel |
| Spherical |
Non-Aligning Bearings |
| Load Direction |
Axial Bearing |
| Separated |
Separated |
| Clearance |
C0 C2 C3 C4 C5 |
| Cage |
Brass, Steel |
| Vibration |
Z1V1 Z2V2 Z3V3 |
| Hardness |
60-64 HRC |
| Transport Package |
Carton Pallet |
| Specification |
As Your Request |
| Trademark |
zhaoyun |
| Origin |
Jiangsu China |
| HS Code |
8482800000 |
| Production Capacity |
1000000 |
Application Industries
| Industry |
Typical Equipment |
| Industrial Machinery |
Machine Tools, Gearboxes, Reducers |
| Manufacturing |
CNC Machines, Spindles, Printing Equipment |
| Heavy Industry |
Rolling Mills, Conveyors, Crushers |
Minimize Downtime with Reliable Double Row Cylindrical Roller Bearing NNU4952 B-K/Sp W33
Industrial machinery operators know the cost of unexpected bearing failure—hours of production loss, expensive repairs, and disrupted schedules. Sourcing high-quality bearings that meet precision requirements while offering flexible order options can be a challenge, especially when dealing with specialized industrial equipment.
Engineered for Industrial Machinery Performance
The Double Row Cylindrical Roller Bearing NNU4952 B-K/Sp W33 is designed to address these challenges, providing robust performance for industrial machinery. With a separated structure and clearance options from C0 to C5, it adapts to various operating conditions, ensuring stability in gearboxes, reducers, and CNC machines. Backed by our decades of manufacturing experience, this bearing combines high-grade bearing steel with precision processing to deliver consistent performance.
Optimal Performance in Demanding Industrial Conditions
This Double Row Cylindrical Roller Bearing excels in applications involving heavy axial loads and moderate radial loads, common in industrial machinery like rolling mills and conveyors. Its brass or steel cage ensures reliable operation even at moderate speeds, while the 60-64 HRC hardness rating guarantees resistance to wear and deformation under continuous use. The non-aligning design makes it suitable for equipment where shaft alignment is maintained, providing predictable performance in structured industrial setups.
Key Technical Features for Industrial Reliability
The bearing’s separated design allows for easy mounting and dismounting, simplifying maintenance procedures and reducing downtime during repairs. Clearance options (C0 to C5) enable customization based on thermal expansion needs and load conditions—critical for applications with varying operating temperatures. Vibration grades Z1V1 to Z3V3 ensure smooth operation, minimizing noise and extending the lifespan of connected components. The combination of these features makes the NNU4952 B-K/Sp W33 a dependable choice for industrial machinery manufacturers.
Why Genuine Bearings Matter for Industrial Operations
Choosing genuine bearings over counterfeit alternatives directly impacts total operational costs. Inferior bearings often fail prematurely, leading to unplanned shutdowns that cost far more than the initial savings on cheaper parts. Our bearings meet strict quality control standards, with incoming material inspections and full-process production supervision. Each unit undergoes dimensional and performance testing, ensuring compliance with international industrial standards. This commitment to quality translates to longer bearing life, fewer replacements, and more consistent machinery performance.
Your Trusted Partner for Industrial Bearings
With over 15 years of experience as a professional bearing manufacturer and supplier, we serve customers across Europe, North America, Southeast Asia, and the Middle East. Our ISO 9001:2015 and ISO 14001 certifications validate our commitment to quality and environmental management. We offer flexible order policies, including 1 piece MOQ for standard bearings and sample orders without MOQ, to support both small-scale repairs and large production runs. Our technical team provides free guidance on bearing selection and installation, ensuring you get the right component for your specific application.
Packaging & Shipping
- Secure carton pallet packaging to protect bearings during transit
- Efficient delivery: 3-5 working days for sample orders, 5-15 working days for bulk orders
- Multiple logistics options including express, air, and sea freight
- Real-time shipment tracking provided for all orders
- Flexible order quantities: 1 piece MOQ for standard bearings, customized order quantity negotiable
Get Your NNU4952 Bearing Today
Don’t let bearing issues disrupt your production schedule. Whether you need a single replacement or bulk quantities, we can fulfill your order quickly. Send us your requirements, including application details and quantity, and our team will provide a tailored quote within 24 hours. The sooner you secure reliable bearings, the sooner you can restore full efficiency to your industrial machinery.
Frequently Asked Questions
Q: Is this bearing a genuine product?
A: Yes, we ensure all products meet strict quality standards with full-process production supervision and compliance with ISO, ABMA, and DIN international industrial standards.
Q: How can I confirm if this bearing fits my equipment?
A: Our professional technical team offers free guidance on bearing selection. Provide your equipment model or specific operating conditions, and we will help verify compatibility.
Q: What is the warranty policy for this bearing?
A: We offer an official 12-month warranty valid from the date customers receive goods. Qualified defective products are eligible for free replacement or direct refund.
Q: What is the minimum order quantity?
A: We offer flexible order rules with 1 piece MOQ for standard bearings. Sample orders have no MOQ requirement, and customized order quantities are negotiable.
Q: How long does shipping take?
A: Sample orders are delivered within 3-5 working days, while bulk orders take 5-15 working days. We provide multiple logistics options to meet your timeline needs.
Q: How do you ensure product quality?
A: We implement strict incoming raw material inspection, full-process production supervision, and in-house laboratory testing for dimensional accuracy, noise, vibration, and service life. All products meet international standards and are inspected before shipment.
Ready to order or need a quote?
Send your bearing designation, application details, and quantity — we’ll respond within 24 hours.