Product Specifications
| Parameter |
Details |
| Model NO. |
NKI65/25 |
| Load Direction |
Radial Bearing |
| Style |
Without Outer Ring, Without Inner Ring |
| Material |
Bearing Steel |
| Type |
Closed |
| Product Name |
Needle Roller Bearing |
| Lubrication |
Grease or Oil |
| Precision Rating |
P0 P6 P5 P4 P2 |
| Clearance |
C0 C3 C4 |
| Delivery Time |
3-7days |
| Service |
OEM ODM |
| Transport Package |
Carton Pallet |
| Specification |
65*90*25 mm |
| Origin |
China |
| HS Code |
8482102000 |
Application Industries
| Industry |
Typical Equipment |
| Industrial Machinery |
Machine Tools, Printing Equipment, Reducers |
| Automotive |
Transmission Systems, Gearboxes |
| Agricultural Machinery |
Harvesters, Tractors |
| Construction |
Excavators, Heavy-Duty Machinery |
Prevent Equipment Downtime with Precision NKI65/25 Needle Roller Bearings
Industrial machinery operators know the cost of unexpected downtime—missed deadlines, maintenance overtime, and production losses add up fast. When standard bearings fail prematurely due to poor precision or material quality, replacing them becomes a recurring headache. Sourcing reliable needle roller bearings that meet exact specifications often means navigating minimum order quantities or long lead times, leaving you stuck between urgent repairs and inflated costs.
Engineered for Industrial Machinery: NKI Series Needle Roller Bearings
Our Needle Roller Bearings NKI65/25, NKI65/35, and NKI70/25 are designed to address these challenges. As an integrated bearing manufacturer with ISO9001 certification, we produce P0-P4 precision bearings that deliver consistent performance in industrial machinery applications. The radial bearing without outer ring design allows for compact installations, making it ideal for gearboxes, machine tool spindles, and printing equipment where space is limited. With 1pc MOQ for standard items and 3-7 days delivery time, we support both emergency repairs and scheduled maintenance.
Optimal Performance in Demanding Industrial Conditions
Needle roller bearings excel in applications with high radial loads and moderate speeds—exactly the conditions found in industrial machinery. The NKI series handles heavy loads while maintaining dimensional stability, thanks to high-quality bearing steel construction and precision manufacturing. Whether your equipment operates in dusty factory environments or requires tight tolerances for synchronized motion, these bearings provide the reliability needed to keep production lines running. Their closed design minimizes contamination risks, reducing maintenance intervals and extending service life in critical machinery components.
Technical Specifications That Matter for Industrial Performance
Precision rating directly impacts machinery accuracy: our P0-P4 options let you match bearing precision to application requirements, from general industrial use (P0) to high-precision machine tools (P4). Clearance grades C0, C3, and C4 accommodate thermal expansion and installation needs—C3 clearance is often specified for high-temperature environments to prevent binding. The 65*90*25 mm specification of NKI65/25 balances load capacity with compact size, while the without outer ring design allows direct mounting on hardened shafts, improving rigidity and reducing component weight. Proper lubrication with grease or oil ensures smooth operation, with lubrication intervals dependent on speed and load conditions.
Why Genuine Bearings Reduce Total Cost of Ownership
Choosing authentic needle roller bearings over counterfeit alternatives pays dividends in long-term reliability. Counterfeit bearings often skimp on material quality and precision, leading to premature failure, increased vibration, and potential damage to mating components. A single bearing failure in a critical machine can cost thousands in downtime and repairs—far exceeding the initial savings of cheap alternatives. Our bearings come with a 12-month global warranty, covering manufacturing defects and ensuring you get the performance you paid for. By focusing on quality and consistency, we help industrial operators reduce unplanned maintenance and extend equipment service life.
Our Commitment to Reliable Bearing Supply
With over 18 years in the bearing industry, Jinan Saifan Bearing serves global buyers across Europe, America, Southeast Asia, and the Middle East. Our full R&D and QC lab ensure each bearing meets strict quality standards before shipment. We offer free technical guidance to help you select the right bearing for your application, and our defect replacement policy means you’re protected if issues arise. Supporting OEM/ODM customization, we can adapt bearings to your specific requirements—whether it’s special clearances, lubrication, or packaging. Our production capacity of 1,000,000 units ensures stable supply even for large-scale projects.
Packaging & Shipping
- Carton and pallet packaging for secure transport
- 3-7 days delivery time for standard items
- Flexible shipping options: DHL, FedEx, UPS, air freight, and sea freight
- Real-time logistics tracking provided for all orders
- 1pc MOQ available for emergency repairs and small-batch orders
Get Your NKI Series Bearings Today
Don’t let bearing issues slow down your production. Whether you need NKI65/25, NKI65/35, NKI70/25, or other industrial bearings, we can provide the right solution quickly. Send us your bearing model, application details, and quantity, and we’ll deliver a competitive quote within 24 hours. With our fast shipping and reliable quality, you can get your machinery back to peak performance with minimal delay.
Frequently Asked Questions
Q: Are these genuine needle roller bearings?
A: Yes, we are an integrated manufacturer with full quality control processes. Each bearing is produced in our ISO9001 and ISO14001 certified facility and comes with traceable production records.
Q: How do I confirm if NKI65/25 is the right bearing for my equipment?
A: Provide your equipment model, operating speed, load conditions, and installation space constraints. Our technical team will verify compatibility and recommend the appropriate precision and clearance grade.
Q: What is your warranty policy?
A: We offer a 12-month global warranty covering manufacturing defects. If a bearing fails due to material or production issues, we provide free replacement or refund.
Q: What is the minimum order quantity?
A: We accept 1pc MOQ for standard needle roller bearings like NKI65/25, supporting both emergency repairs and small-batch purchases.
Q: How long does shipping take?
A: Standard items have a 3-7 days delivery time. Shipping duration depends on your location—express options (DHL/FedEx/UPS) typically take 3-5 days globally, while sea freight varies by destination.
Q: Can you provide custom needle roller bearings?
A: Yes, we offer full OEM/ODM customization. Contact us
Tags:
Industrial Bearings
needle roller bearings
Needle Roller Bearings for Industrial Machinery
NKI65/25 Bearing
NKI65/35 Bearing
NKI70/25 Bearing
P0-P4 Precision Bearings
Radial Bearing Without Outer Ring
