Bearing Model NSK B6 63z

• After-sales Service: Yes
• Warranty: -
• Type: Cargo Winch Strap
• Model NO.: B6-63z
• Certification: TUV, GS
• Customization: -
• Size: -
• Weight: -
• Level: -
• Transport Package: /
• Specification: /
• Trademark: Yibolan
• Origin: Shandong, China
• Production Capacity: 50000/Year
• Package Size: 1.00cm * 1.00cm * 1.00cm
• Package Gross Weight: 1.000kg

Product Description

Product Description

  

Q :  I want to understand what a bearing is.

A bearing is a mechanical component whose core function is to support rotating mechanical elements (such as shafts), reduce the friction coefficient between them and fixed components, and withstand operational loads (including radial and axial forces).
Its key characteristics include:
Friction reduction: Replaces direct contact between rotating and stationary parts through rolling (e.g., balls, rollers) or sliding, significantly lowering friction losses;
Load-bearing capacity: Stably withstands operational pressures and impacts while maintaining precise positioning of rotating elements;
Adaptability: Suited for diverse equipment ranging from precision instruments to heavy machinery based on structural variations (e.g., deep groove ball bearings, tapered roller bearings) and friction types (rolling bearings, sliding bearings).

 

Q : Common Bearing Types
 

Bearing Type	Key Features	Application Scenarios
Deep Groove Ball Bearing	Simple structure, low cost; handles radial loads + light axial loads	General rotating components like motors, gearboxes, washing machines, bicycle hubs
Tapered Roller Bearing	Handles large combined radial + axial loads; high load capacity	Heavy-duty rotating parts such as car wheel hubs, reducers, construction machinery (e.g., cranes)
Thrust Ball Bearing	Only carries axial loads; low rotational speed	Axial positioning and load-bearing in car gearboxes, vertical pumps, centrifuges
Cylindrical Roller Bearing	High radial load capacity; suitable for high-speed, heavy-load conditions	High-rigidity support equipment like machine tool spindles, generators, rolling mills
Self-Aligning Ball Bearing	Automatically compensates for shaft-housing misalignment; adapts to skewed conditions	Equipment prone to installation deviations (e.g., agricultural machinery, paper-making equipment, textile machines)
Needle Roller Bearing	Compact size, extremely high radial load capacity; limited rotational speed	Tight spaces like car gearboxes, motorcycle engines, small precision instruments

Q : How to select bearings suitable for specific application scenarios?

To choose the right bearing for a specific application, follow these key steps and considerations:

1. Define Load Conditions
Load type:
Radial load (perpendicular to the shaft): Prioritize deep groove ball bearings or cylindrical roller bearings.
Axial load (parallel to the shaft): Choose thrust ball bearings (light load) or tapered roller bearings (combined radial/axial load).
Combined load: Opt for tapered roller bearings or angular contact ball bearings.
Load magnitude:
Heavy load: Use cylindrical/needle roller bearings or tapered roller bearings.
Light load: Select deep groove ball bearings or self-aligning ball bearings.

2. Consider Rotational Speed
High speed: Prefer deep groove ball bearings (low friction) or angular contact ball bearings (stable at high RPM).
Low speed: Suitable for thrust ball bearings or needle roller bearings (high load capacity at low RPM).

3. Check Installation Alignment
If misalignment (shaft/housing) is likely: Choose self-aligning ball bearings (compensates small misalignments).
For precise alignment: Use cylindrical roller bearings (requires strict positioning).

4. Evaluate Space Constraints
Limited radial space: Select needle roller bearings (small diameter, high load capacity).
Limited axial space: Opt for thin-section deep groove ball bearings (compact structure).

5. Factor in Environmental Conditions
Corrosive environments: Use stainless steel bearings (resistant to rust).
High-temperature settings: Choose bearings with high-temperature lubricants/seals (e.g., ceramic ball bearings).



Q :  Can you provide some examples of successful applications of different bearing types?

Here are detailed and successful application cases of various common bearing types across multiple industries, which fully reflect their performance advantages in adapting to different working conditions:

Deep Groove Ball Bearing
Household Appliances: It is widely used in the rotating shafts of washing machines and air - conditioning compressors. For example, the high - speed rotating shaft in the motor of a washing machine relies on deep groove ball bearings. Their simple structure and low friction characteristics ensure the stable operation of the motor at high speed, while also bearing the slight axial displacement generated during the operation of the washing machine drum, balancing cost and performance.

Concrete Pipe Cutting Equipment: A cement industry customer once suffered frequent failures of traditional deep groove ball bearings on the blade support of concrete pipe slotting machines, with the bearings breaking down every 8 - 12 weeks. NSK recommended molded - oil bearings with DDU contact seals. The solid lubricant material of this bearing continuously releases oil during operation, avoiding grease contamination caused by concrete dust. After application, there were no bearing failures for a full year, saving the customer €38,400 in costs.
Agricultural Machinery: The cutting table transmission shaft of a JH - 5A self - propelled corn harvester originally used ordinary deep groove ball bearings, which were prone to failure due to corn debris intrusion. After upgrading to SKL 6308 - 2RSR sealed deep groove ball bearings with double - lip rubber seals, the intrusion of straw debris was reduced by 99%, and the service life of the bearing was extended from 200 hours to 800 hours.

Tapered Roller Bearing
Mining Dump Trucks: The hub and transmission system of mining dump trucks, which need to bear the entire weight of the vehicle and the ore load, often adopt large - sized tapered roller bearings. These bearings can withstand both huge radial loads from the vehicle weight and axial thrust during driving, and their strong impact resistance can also adapt to the harsh road conditions in mines, ensuring the stable operation of the dump trucks under heavy - load and high - vibration conditions.

Automotive Gearboxes: The output shaft of an automobile gearbox needs to bear the combined effect of radial force and axial force during power transmission. Tapered roller bearings are usually used in pairs here. By adjusting the installation clearance between the inner and outer rings, they can meet the accuracy requirements of power transmission, and solve the problem of easy wear of transmission components caused by complex loads, thus ensuring smooth gear shifting.

Harvester Gearboxes: The output shaft of the gearbox of the aforementioned corn harvester originally used domestic tapered roller bearings, which had problems such as raceway spalling due to heavy - load impact. After replacing them with SKL 32210X tapered roller bearings with carburized steel rollers and copper - lead alloy cages, the impact resistance was increased by 60%, and the raceway spalling rate dropped from 40% to 5%.
Spherical Plain Bearing

Munich Stadium Suspended Roof: The unique suspended roof of the Munich Stadium in Germany uses 225 standard steel - on - steel radial spherical plain bearings with inner diameters ranging from 160 - 300mm. These bearings are installed at each node of the roof's prestressed steel cable network structure. They bear the static load of the roof and can also adapt to the accidental shaking of the roof, and have not required additional lubrication since the stadium was completed in 1972.

Excavators: The articulation joints of excavator arms and buckets rely on spherical plain bearings. During the excavation process, these joints need to withstand huge dynamic loads and angular deviations. Spherical plain bearings can realize angular movement through the convex outer surface of the inner ring and the concave inner surface of the outer ring, ensuring the flexible and smooth movement of the excavator arm while bearing heavy loads.

Self - Aligning Roller Bearing

Wheel Loaders: The articulated parts of the working devices such as the boom and bucket of wheel loaders are the key application positions of self - aligning roller bearings. When the loader shovels and lifts materials, the boom will produce slight deformation, and the self - aligning performance of self - aligning roller bearings can compensate for this misalignment error, while bearing the heavy load during the operation of the working device, improving the reliability of the loader.

Corn Harvester Wheel Hubs: The original self - aligning roller bearings of the walking wheel hubs of JH - 5A corn harvesters were prone to rust and jamming due to muddy water corrosion. After replacing them with SKL 22214 - E1 - M self - aligning roller bearings with outer ring oil grooves and radial oil injection holes, the corrosion - resistant service life was extended from 800 hours to 3000 hours, and the rust failure rate during rainy season operations was reduced by 85%.

Hybrid Ceramic Ball Bearing
It is widely used in high - speed and high - temperature equipment. A leading equipment manufacturer once faced the problem of short service life of traditional steel bearings in high - speed and high - temperature scenarios due to serious wear and friction. After adopting hybrid ceramic ball bearings with steel raceways and ceramic rolling elements, the equipment performance was significantly improved. The hardness of ceramic materials is higher than that of steel, which reduces wear. Meanwhile, it has good thermal stability, can adapt to temperature changes, and also avoids electrical discharge damage to the bearings by virtue of its insulation performance, extending the equipment life and reducing maintenance costs.

Asymmetric Spherical Roller Bearing
It has achieved successful applications in wind turbines. The main shaft of wind turbines is often affected by unbalanced wind forces, resulting in variable radial and axial loads and shaft misalignment. Schaeffler's asymmetric spherical roller bearings, designed for the main shafts of wind turbines, can redistribute loads efficiently. Their optimized internal structure reduces stress concentration, enhances load - bearing capacity, and improves the fatigue life of the main shaft assembly, thus improving the overall reliability of wind turbines.

 

 

Certifications

 

 

Company Profile

 

•  Qingdao Yibolan Machinery Equipment Co., Ltd. , established in January 2022 , is located in the beautiful coastal city of Qingdao, China. We specialises in the supply of wear parts and maintenance components for commercial vehicles and construction machinery.

Our product range encompasses
filters, 


leaf springs,


brake pads,


brake blocks,


thrust rods,


brake drums,


clutches,


Construction machinery bucket teeth,track plates,four-wheel drive systems,and fasteners.


Since our inception, we have developed our proprietary parts brand (YIWO),with products compatible withdump trucks,


tractor units,


mixer trucks,


cargo trucks,


excavators,


and bulldozers


from brands including Sinotruk (HOWO, SITRAK), Shaanxi Automobile (Delong, Aolong), FAW , Beiben, Shantui, etc. Our components are renowned for their superior quality and competitive pricing, earning widespread customer acclaim.

Since inception, our annual export volume has reached USD 10 million, primarily serving prominent commercial vehicle and construction machinery parts wholesalers and large fleets across the South Pacific, Africa, the Americas, and Southeast Asia. We remain committed to delivering high-performance, reliable, and cost-effective mechanical components, alongside bespoke solutions tailored to client requirements.

Our company currently operates a 3,000-square-metre warehouse centre, maintaining year-round stock of comprehensive vehicle component sets to meet diverse customer requirements. Additionally, we employ over ten technical engineers with 20 years' experience, providing 24-hour online support. Our core values centre on prioritising customer needs, establishing strong partnerships through precise service and support, and jointly achieving sustainable development. We sincerely welcome global buyers to discuss business opportunities.

 

 

 

FAQ

1.Why should be partner with Qingdao YBL ?
• Quality 
Deliver consistently superior performance and pursue every possible improvement.
•  Agility 
Identify emerging trends and act quickly to acquire new opportunities.
•  Customer Satisfaction
Anticipate customer needs and exceed their expectations.

2. what services can we provide?
Accepted Delivery Terms: FOB,CFR,CIF,EXW,FAS,CIP,FCA,CPT,DEQ,DDP,DDU,Express Delivery,DAF,DES;
Accepted Payment Currency:USD,EUR,CNY;
Accepted Payment Type: T/T,L/C,D/P D/A,Western Union;
Language Spoken:English,Chinese

3.How about the delivery time ?
Normally, the delivery time is 7 days if we have stock, and 15-30 working days if we don't. That's also depends on the product requirements and quantity.

4.Are you able to make Non-standard or customized products?
Yes, we can.


Welcome to Join us!
Please Feel Free to Contact us at Your Convenience.