Product Specifications
| Parameter |
Details |
| Model NO. |
NUP218EM |
| Product Name |
Cylindrical Roller Bearing |
| Structure |
Cylindrical |
| Specification |
90*160*30 mm |
| Material |
Bearing Steel |
| Precision Rating |
P0 P6 P5 P4 P2 |
| Spherical |
Non-Aligning Bearings |
| Load Direction |
Radial Bearing |
| Separated |
Separated |
| Seals Type |
Open |
| Lubricate |
Oil Grease Dry |
| Number of Row |
Single Row |
| Service |
OEM ODM |
| Trademark |
BDL |
| Origin |
China |
| HS Code |
8482500090 |
Application Industries
| Industry |
Typical Equipment |
| Manufacturing |
Precision Grinders, Machine Tools, Spindles |
| Industrial Machinery |
CNC Machines, Gearboxes, Electric Motors |
Eliminate Grinding Machine Downtime with NUP218EM High Precision P4 Cylindrical Roller Bearings
Precision grinder operators know the frustration of unexpected downtime caused by bearing failure. When a substandard bearing vibrates excessively or fails prematurely, it not only halts production but also risks damaging expensive grinding components. Sourcing reliable high-precision bearings often means navigating minimum order quantities that delay urgent repairs or settling for unclear quality standards that compromise finished product accuracy.
Engineered for Precision Grinders: NUP218EM 90x160x30mm P4 Cylindrical Roller Bearing
Our NUP218EM Cylindrical Roller Bearing addresses these challenges with P4 precision rating—critical for maintaining the tight tolerances required in precision grinding applications. As an integrated manufacturer with ISO9001 certification, we control production from raw material selection to final inspection, ensuring each bearing meets consistent quality standards. With 1pc MOQ for standard items and 3–5 days sample lead time, we support both emergency repairs and scheduled maintenance needs without forcing excessive inventory purchases.
Optimized Performance in High-Precision Grinding Environments
This NUP218EM bearing excels in the radial load-dominant conditions of precision grinders, where stable rotation and minimal runout directly impact surface finish quality. The separated design allows for easy mounting and dismounting during maintenance, while the open seal configuration accommodates specialized lubrication requirements in high-speed grinding spindles. Whether used in cylindrical grinders, surface grinders, or tool and cutter grinders, this bearing delivers the reliability needed for continuous production cycles.
Technical Features That Drive Grinding Precision
The P4 precision rating of this cylindrical roller bearing ensures minimal radial and axial runout, critical for achieving the sub-micron tolerances demanded in precision grinding. Constructed from high-grade bearing steel, it maintains dimensional stability even under the thermal loads generated during extended grinding operations. The single-row design balances load capacity with rotational efficiency, while the separated inner and outer rings allow for optimal clearance adjustment—essential for preventing vibration-induced workpiece chatter. These features collectively contribute to consistent grinding results and extended bearing service life.
Why Precision Matters: The Cost of Compromised Bearings in Grinding
Using non-precision bearings in grinders creates hidden costs that far exceed initial savings. Excessive runout leads to poor surface finishes, requiring rework or scrapped parts. Premature failure causes unplanned downtime, with each hour of grinder inactivity potentially costing thousands in lost production. In contrast, our P4 precision NUP218EM bearing reduces maintenance intervals, improves workpiece quality, and extends equipment lifespan—delivering lower total cost of ownership over time. As global demand for high-precision components grows, the reliability of your grinding equipment directly impacts your competitive edge.
Our Commitment to Your Grinding Operation’s Success
With over 18 years of bearing manufacturing experience, we’ve supplied precision components to industrial equipment manufacturers across Europe, America, and Southeast Asia. Our in-house R&D and QC labs ensure each NUP218EM bearing meets P4 precision standards before shipment. We stand behind our products with a 12-month global warranty, including free technical guidance and defect replacement. Our flexible order options—from single emergency units to bulk production runs—are supported by 5–15 days bulk delivery, ensuring you get the bearings you need when you need them.
Packaging & Shipping
- Carton and pallet packaging for secure transportation
- 3–5 days sample lead time for urgent evaluation
- 5–15 days bulk delivery for scheduled production needs
- Multiple shipping options including express, air, and sea freight
- 1pc MOQ available for emergency repair requirements
Get Your Precision Grinder Back to Optimal Performance
Don’t let bearing issues compromise your grinding precision or production schedule. Whether you need a single NUP218EM bearing for an emergency repair or are planning a maintenance program, our team is ready to support your needs. The sooner you secure reliable bearings, the sooner you can return to producing high-quality parts with minimal downtime.
Frequently Asked Questions
Q: Is this bearing manufactured to genuine quality standards?
A: Yes, we are an ISO9001 & ISO14001 certified manufacturer with full in-house production and quality control processes, ensuring each bearing meets specified precision and performance standards.
Q: How can I confirm this NUP218EM bearing fits my precision grinder?
A: Provide your grinder model or existing bearing specifications, and our technical team will verify compatibility based on dimensional and load requirements.
Q: What warranty coverage is provided?
A: We offer a 12-month global warranty covering manufacturing defects, with free technical guidance and defect replacement or refund available.
Q: What is the minimum order quantity?
A: Standard items like the NUP218EM have a 1pc MOQ, supporting both emergency repairs and small-batch requirements.
Q: How quickly can I receive this bearing?
A: Sample lead time is 3–5 days, with bulk delivery taking 5–15 days depending on order size and shipping method.
Q: How is the P4 precision rating ensured?
A: Our QC lab conducts rigorous testing including dimensional inspection, runout measurement, and noise level testing to verify P4 precision compliance before shipment.
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