Ncf308 Bearings Low Noise Auto Parts Stamping Outer Ring Needle Roller Bearing for Industrial Machinery

Product Description

Product Description

Needle Roller Bearings: Core Features & Applications

Core Features

Extremely small radial cross-sectional dimensions; for the same inner diameter, the bearing's outer diameter and width are much smaller than ball bearings/cylindrical roller bearings, significantly saving installation space.

Extremely high radial load capacity; numerous needle rollers and long contact length make it suitable for heavy-duty and impact load conditions; it cannot withstand or can only withstand very small axial loads.

Diverse structures; available with stamped outer rings, solid outer rings, no inner ring/no outer ring, with cage/full complement needle rollers, etc., to adapt to different installation requirements.

Low coefficient of friction; controllable temperature rise; limiting speed is lower than ball bearings and cylindrical roller bearings, with even lower speeds for full complement types, mostly used in low-to-medium speed conditions.

High precision and hardness requirements for the shaft and bearing housing; strict control of coaxiality is necessary during installation to avoid premature failure due to uneven needle roller loading.

Typical Applications
Automotive Industry – gearboxes, clutches, steering mechanisms, engine rocker arms, wheel hub units; the core reason for its suitability is space constraints and the need to withstand large radial loads. Construction Machinery – Hydraulic motors, traveling mechanisms, and slewing bearings for excavators, loaders, and cranes; the core suitability is heavy-duty operation, impact resistance, and space-saving design.

General Machinery – Printing presses, textile machines, packaging machinery, and hydraulic pumps/motors; the core suitability is low-to-medium speed operation, heavy-duty operation, and compact equipment structure.

Aerospace – Aircraft landing gear, engine accessories, and servo motors; the core suitability is lightweight design and high load capacity, meeting the space and performance requirements of aerospace equipment.

Home Appliances and Power Tools – Washing machine clutches, electric wrenches, and impact drills; the core suitability is compact design, heavy-duty operation, and suitability for frequent start-stop operations.

Main product

Company Profile

Shandong Boli Bearing Co., Ltd was established in 2004. With a factory area of over 7,000 square meters, it is a comprehensive digital modern factory enterprise integrating production, design, R&D, and warehousing. We have our own brand DABL, and can also provide customized branding services for clients.

The company's main products include high-end spherical roller bearings (types CA, CC, MB, MA, E, E1, EAE4), cylindrical roller bearings, tapered roller bearings, thrust roller bearings, deep groove ball bearings, self-aligning ball bearings etc. We are committed to providing customers with affordable high-end bearings. Our products meet P0, P6, and P5 quality grades, suitable for specialized applications such as mining machinery, fans, coal mining equipment, steel machinery, textile machinery, lifting machinery, gear reduction machinery, pumps, cement, agricultural machinery, elevators, and more.

With import and export rights, our DABL Bearings have been exported to Australia, Russia, Pakistan, South Africa, and Canada etc. We have passed ISO 9001:2014 Quality Management System certification, CE Certification, and AAA credit enterprise certification, while implementing comprehensive quality control measures to provide superior products and services to global clients.

We sincerely invite you to visit our factory and hope to establish a good, mutually beneficial long-term business relationship with you.

Corporate advantage

Certifications

Exhibition

Packaging & Shipping

FAQ

1. What is your company's minimum order quantity? 
Standard bearings are in stock. MOQ is 20–100 sets (based on size/specs). Bulk/long-term clients get flexible MOQ, better prices and guaranteed quality. Special needs negotiable. 

2. Can you accept OEM and customization? 
Yes, it's our core strength. Our R&D team and CNC equipment make non-standard bearings per your drawings/samples (size, seal, grease, precision, etc.). Send details for solutions and quotes.

3. Can I become your agent? 
We welcome global agents. Benefits: full product line, competitive prices, technical support, market info, brand authorization. Eligibility depends on your experience, sales capacity and business plan. Submit company background & market plan via "Contact Us" for details.

4. Can you provide samples free of charge? 
Standard samples: free, you pay shipping. Custom/high-value samples: fee refundable on qualifying orders.

5. Are you a factory or a trading company? We are a 20+ year manufacturer. Full production control ensures stable quality, timely delivery, and strong customization. We also have a professional foreign trade team.

6. What is the warranty period for your products? 
12-month warranty (special terms for harsh conditions), starting from port departure. Covers material/manufacturing defects. ISO 9001 certified, with installation/usage guidance.

7. Can you tell me your delivery time? 
In-stock standard goods: 7–15 days shipment. Custom/large orders: 30–45 days (per complexity). Exact date confirmed on order, with full follow-up.

8.Can you provide technical support? 
Yes. Our engineers offer selection guidance, installation/maintenance advice, troubleshooting and after-sales solutions. Key focus: oil gap, operating conditions, installation, selection, maintenance.

9. Which international standards do your products meet?
Complies with ISO/ABEC (1/3/5/7) for dimension/precision; GCr15 steel for materials; ISO 9001:2015 for quality. SGS reports available on request.  

10. What are the main product categories and market areas your factory produces? 
Full range of rolling bearings, high-end ones (outer diameter 20–1000mm) included. Applications: textiles, steel, motors, pumps, mining, papermaking, elevators, agricultural machinery etc.