Product Description
Deep groove ball bearing Open 2RS ZZ type 608ZZ 608 2RS C3 624 miniature plastic Sliding window bearings
The basic deep groove ball bearing consists of an outer ring, an inner ring, a set of steel balls, and a set of cages. There are 2 types of deep groove ball bearings: single-row and double-row. The deep groove ball structure is also divided into 2 types: sealed and open. The open type means that the bearing does not have a sealed structure. The sealed deep groove ball is divided into dust-proof seal and oil-proof. seal. The material of the dust-proof sealing cover is stamped steel plate, which only serves to prevent dust from entering the bearing raceway. The oil-proof type is a contact oil seal, which can effectively prevent the grease in the bearing from overflowing.
Single row deep groove ball bearing type code is 6, double-row deep groove ball bearing code is 4. It has a simple structure and is easy to use, and is the most commonly produced and widely used type of bearing.
Clearance
Standard deep groove ball bearings have C2, standard (CN), C3, C4 and C5 grades of internal clearance
Cage
Deep groove ball bearings generally use steel stamping cages or brass solid cages.
Seal type of deep groove ball bearing
S K F: Z,2Z;
F A G: ZR,2ZR;
NTN, NSK,KOYO: Z, ZZ;
NACHI: ZE,2ZE(Iron seal)
S K F: RS1(RSH),2RS1(2RSH)
F A G: RSR,2RSR
NTN: LU,LLU
NSK: DU,DDU
KOYO: RS,2RS,RD,2RD
NACHI: NSE,2NSE
| Applications | Cars, trucks, and trailer bearings are widely used in cars, trucks, and trailers of various transmission / rotating members. |
| Special Properties | 1. High precision |
| 2. Low noise | |
| 3. long life | |
| 4. Can be customized according to your needs | |
| 5. Can provide small & miniature standard and non-standard bearings. |
Detailed Photos
Our Advantages
Company Advantages
1. FREE SAMPLES: contact us by email or trade manager, and we will send the free samples according to your request.
2. World-Class Bearing: We provide our customers with all types of bearing with world-class quality.
3. OEM or Non-Stand Bearings: Any requirement for Non-standard bearings is Easily Fulfilled by us due to our vast knowledge and links in the industry.
4. Genuine products With Excellent Quality: Company has always proved the 100% quality products it provides with genuine intent.
5. After Sales Service and Technical Assistance: Company provides after-sales service and technical assistance as per the customer’s requirements and needs.
6. Quick Delivery: The company provides just-in-time delivery with its streamlined supply chain.
7. Cost Saving: We provide long-life, shock-resistant, and high-reliability bearings with excellent quality and better performance. Resulting in increased cost savings.
8. Attending customer queries promptly: We believe that if customers is satisfied then it proves our worth well. Customers are always given quick support.
Packaging & Shipping
Packaging
1)Commercial Bearings packaging: 1pc/plastic bag + color box + carton + pallet
2)Industrial Bearings packaging
3)According to the requirement of customers
Payment
1) T/T:30% deposit, 70% should be paid before shipment.
2) L/C at sight. (high bank charge, not suggested, but acceptable )
3) 100% Western Union in advance. (especially for air shipment or small amounts)
Delivery
1) Less than 45 KGS, we will send by express. ( Door to Door, Convenient )
2) Between 45 – 200 KGS, we will send by air transport. ( Fastest and safest, but expensive )
3) More than 200 KGS, we will send by sea. ( Cheapest, but long time )
Company Profile
HOJE precision deep groove ball bearings are designed for high precision, low noise, small vibration, high reliability, and long life. They are mainly used in various types of electric motors. They are also known as EMQ (Electric Motor Quality) bearings.
EMQ bearings are widely used in household appliances, toys, electric power tools, car motors, and other fields. With the optimal design, high-reliability heat treatment, precision manufacturing processes, and high-grade grease, these products perform better on reliability, vibration, and noise levels than standard products making them more suitable for electric motor applications. These products can also be applied to most gearbox applications as well. HOJE precision deep groove ball bearings include a variety of shields and seals to meet the many different requirements customers demand. For detailed specifications, please feel free to contact HOJE. HOJE precision deep groove ball bearings are good quality products with excellent performance. Because of their high precision, high rotating speed, high reliability, low friction, and low noise, they are widely used in areas of machine tools, measuring instruments, office machinery, household appliances, various types of electric motors, industrial automation control, etc.
More Products
WHEEL AND STEERING BEARINGS
| d (mm) | D (mm) | B (mm) | Limiting Speed (rpm) | Model | Weight (kg) | |
| 10 | 26 | 8 | 31000 | 36000 | 6000 | 0.019 |
| 12 | 28 | 8 | 27000 | 32000 | 6001 | 0.571 |
| 15 | 32 | 9 | 23000 | 27000 | 6002 | 0.03 |
| 17 | 35 | 10 | 21000 | 25000 | 6003 | 0.039 |
| 20 | 42 | 12 | 17000 | 21000 | 6004 | 0.069 |
| 20 | 42 | 12 | 18000 | 21000 | 6004R | 0.073 |
| 25 | 47 | 12 | 15000 | 18000 | 6005 | 0.08 |
| 30 | 55 | 13 | 13000 | 15000 | 6006 | 0.116 |
| 35 | 62 | 14 | 11000 | 13000 | 6007 | 0.155 |
| 40 | 68 | 15 | 10000 | 12000 | 6008 | 0.192 |
| 45 | 75 | 16 | 9200 | 11000 | 6009 | 0.245 |
| 50 | 80 | 16 | 8400 | 9900 | 6571 | 0.261 |
| 55 | 90 | 18 | 7600 | 8900 | 6011 | 0.385 |
| 60 | 95 | 18 | 7100 | 8400 | 6012 | 0.415 |
| 65 | 100 | 18 | 6600 | 7800 | 6013 | 0.435 |
| 70 | 110 | 20 | 6100 | 7200 | 6014 | 0.602 |
| 75 | 115 | 20 | 5700 | 6800 | 6015 | 0.638 |
| 80 | 125 | 22 | 5300 | 6300 | 6016 | 0.85 |
| 85 | 130 | 22 | 5000 | 5900 | 6017 | 0.89 |
| 90 | 140 | 24 | 4700 | 5600 | 6018 | 1.16 |
| 95 | 145 | 24 | 4400 | 5200 | 6019 | 1.21 |
| 100 | 150 | 24 | 4300 | 5100 | 6571 | 1.25 |
| 105 | 160 | 26 | 4000 | 4700 | 6571 | 1.59 |
| 22 | 44 | 12 | 17000 | 20000 | 60/22 | 0.073 |
| 110 | 170 | 28 | 3800 | 4500 | 6571 | 1.96 |
| 120 | 180 | 28 | 3600 | 4200 | 6571 | 2.07 |
| 130 | 200 | 33 | 3200 | 3800 | 6026 | 3.16 |
| 28 | 52 | 12 | 14000 | 16000 | 60/28 | 0.097 |
| 140 | 210 | 33 | 3000 | 3600 | 6571 | 3.55 |
| 32 | 58 | 13 | 12000 | 14000 | 60/32 | 0.127 |
| 10 | 30 | 9 | 24000 | 29000 | 6200 | 0.032 |
| 12 | 32 | 10 | 22000 | 27000 | 6201 | 0.037 |
| 15 | 35 | 11 | 20000 | 24000 | 6202 | 0.045 |
| 17 | 40 | 12 | 17000 | 21000 | 6203 | 0.065 |
| 20 | 47 | 14 | 15000 | 17000 | 6204 | 0.106 |
| 20 | 47 | 14 | 15000 | 18000 | 6204R | 0.114 |
| 25 | 52 | 15 | 13000 | 15000 | 6205 | 0.128 |
| 25 | 52 | 15 | 13000 | 16000 | 6205R | 0.138 |
| 30 | 62 | 16 | 11000 | 13000 | 6206 | 0.199 |
| 30 | 62 | 16 | 11000 | 13000 | 6206R | 0.212 |
| 35 | 72 | 17 | 9200 | 11000 | 6207 | 0.288 |
| 35 | 72 | 17 | 9300 | 11000 | 6207R | 0.309 |
| 40 | 80 | 18 | 8300 | 10000 | 6208 | 0.366 |
| 45 | 85 | 19 | 7700 | 9200 | 6209 | 0.407 |
| 50 | 90 | 20 | 7100 | 8500 | 6210 | 0.463 |
Scope of application
FAQ
1. What is the minimum order quantity for this product?
Can be negotiated, and we will try our best to meet customer needs. Our company is mainly based on wholesale sales, most customers orders are more than 1 ton.
2. What is your latest delivery time?
Most orders will be shipped within 3-10 days of payment being received.
3. What is the competitiveness of your company’s products compared to other companies?
High precision, high speed, low noise.
4. What are the advantages of your company’s services compared to other companies?
Answer questions online 24 hours a day, reply in a timely manner, and provide various documents required by customers for customs clearance or sales. 100% after-sales service.
5. Which payment method does your company support?
Do our best to meet customer needs.
6. How to contact us quickly?
Please send us an inquiry or message and leave your other contact information, such as phone number, Whatsapp account or WeChat account, we will contact you as soon as possible and provide the detailed information you need.
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| Contact Angle: | 15° |
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| Aligning: | Non-Aligning Bearing |
| Separated: | Unseparated |
| Samples: |
US$ 0/Piece
1 Piece(Min.Order) | Order Sample |
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| Customization: |
Available
| Customized Request |
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.shipping-cost-tm .tm-status-off{background: none;padding:0;color: #1470cc}
| Shipping Cost:
Estimated freight per unit. |
about shipping cost and estimated delivery time. |
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| Payment Method: |
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Initial Payment Full Payment |
| Currency: | US$ |
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| Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
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Considerations for Selecting Appropriate Sliding Bearings
Choosing the right type and size of sliding bearing is crucial for ensuring optimal performance and longevity in various applications. Here are key considerations to keep in mind:
Load and Application: Determine the specific load and application requirements. Different sliding bearings are designed to handle varying loads, speeds, and operating conditions. Consider whether the bearing will experience radial, axial, or combined loads, as well as the expected range of motion.
Material Compatibility: Select materials that are compatible with the operating environment. Consider factors such as corrosion resistance, temperature tolerance, and exposure to chemicals or contaminants. Common bearing materials include bronze, steel, and self-lubricating polymers.
Lubrication: Proper lubrication is essential for reducing friction and wear in sliding bearings. Choose a lubrication method that suits the application, whether it’s grease, oil, or self-lubricating materials. Some sliding bearings are designed for maintenance-free operation.
Design and Configuration: Determine the appropriate bearing design, such as bushings, thrust washers, or linear guides. Consider the bearing’s dimensions, including inner and outer diameter, length, and width. The bearing’s configuration should match the available space and mounting requirements.
Load Distribution: Ensure that the selected sliding bearing can evenly distribute the applied load across its surface. This helps prevent premature wear and ensures the bearing’s longevity. Consider the bearing’s load capacity and how it aligns with the actual load demands.
Friction and Wear: Evaluate the bearing’s coefficient of friction and wear characteristics. Lower friction and wear rates contribute to longer bearing life and improved efficiency. Consider whether the bearing requires initial running-in to reach optimal performance.
Maintenance and Service Life: Consider the maintenance requirements and expected service life of the sliding bearing. Some applications may benefit from bearings with extended maintenance intervals or self-lubricating properties, while others may prioritize easy replacement.
Cost-Efficiency: Balancing performance with cost is essential. While high-performance materials and features can enhance bearing performance, they may also increase the upfront cost. Choose a solution that aligns with your budget and long-term operational goals.
Environmental Conditions: Factor in the environmental conditions the bearing will operate in. For example, marine environments may require bearings with exceptional corrosion resistance, while high-temperature applications demand materials with thermal stability.
Supplier Expertise: Partner with reputable suppliers who offer technical expertise and a range of sliding bearing solutions. Suppliers with a strong track record can provide guidance in selecting the most suitable bearing for your specific application.
By carefully considering these factors, you can confidently choose the appropriate type and size of sliding bearing that meets your application’s requirements and ensures optimal performance and reliability.

Maintenance Practices to Extend the Lifespan of Sliding Bearings
Proper maintenance is essential for maximizing the lifespan of sliding bearings and ensuring optimal performance. Here are specific practices that can help extend the life of sliding bearings:
Regular Lubrication: Adequate lubrication is crucial for minimizing friction and wear between sliding surfaces. Follow manufacturer recommendations for lubrication intervals and use the appropriate lubricants for the operating conditions.
Clean Environment: Keep the surrounding environment clean and free from dust, dirt, and contaminants. Regularly clean the machinery or equipment to prevent debris from entering the bearing area.
Seal Integrity: Ensure that bearing seals are in good condition to prevent contaminants from entering and lubricant from escaping. Replace damaged seals promptly to maintain proper protection.
Alignment and Mounting: Proper alignment and mounting of sliding bearings are critical to distribute loads evenly and prevent excessive wear. Follow manufacturer guidelines for installation procedures and torque specifications.
Regular Inspections: Schedule routine inspections to detect early signs of wear, damage, or misalignment. Visual inspections, temperature checks, and vibration analysis can help identify issues before they escalate.
Maintenance Records: Maintain detailed records of maintenance activities, including lubrication schedules, inspections, and replacements. This information can help track the condition of sliding bearings and plan maintenance tasks effectively.
Temperature Management: Control operating temperatures within recommended limits. Excessive heat can degrade lubricants and accelerate wear, while extreme cold can affect bearing performance.
Load Management: Avoid subjecting sliding bearings to loads beyond their specified capacities. Overloading can lead to premature wear and damage.
Training and Education: Ensure that personnel responsible for maintenance are adequately trained in proper procedures. Knowledgeable staff can perform maintenance tasks accurately and identify potential issues.
Timely Replacement: When wear or damage is detected that exceeds acceptable limits, replace sliding bearings promptly to prevent further damage to the machinery or equipment.
By implementing these maintenance practices, you can significantly extend the lifespan of sliding bearings, reduce downtime, and optimize the performance of machinery and equipment.

Impact of Proper Lubrication on Sliding Bearings
Proper lubrication plays a critical role in the performance and longevity of sliding bearings. Here’s how it affects their operation:
- Reduced Friction and Wear: Lubrication forms a thin film between the sliding surfaces of the bearing, reducing direct metal-to-metal contact. This minimizes friction and wear, which can significantly extend the bearing’s lifespan.
- Heat Dissipation: Lubricants help dissipate heat generated during operation by carrying away excess heat from the friction zones. This prevents overheating and potential damage to the bearing and surrounding components.
- Corrosion Prevention: Lubricants provide a protective barrier against moisture and corrosive substances, preventing the formation of rust and corrosion on the bearing surfaces.
- Sealing Effect: Proper lubrication can help create a sealing effect that prevents contaminants from entering the bearing, maintaining a clean and efficient operating environment.
- Noise and Vibration Reduction: Adequate lubrication helps dampen noise and reduce vibration caused by friction between bearing surfaces. This contributes to quieter and smoother operation.
- Enhanced Load Distribution: Lubrication ensures even load distribution across the bearing surfaces, preventing localized wear and extending the bearing’s overall life.
- Stability and Performance: Proper lubrication maintains consistent performance and stability by minimizing variations in friction and reducing the risk of sudden failures.
- Seizure Prevention: Lubricants prevent sliding surfaces from seizing or sticking together, even during periods of prolonged inactivity.
- Optimized Efficiency: Well-lubricated bearings experience less energy loss due to friction, resulting in improved overall efficiency of the machinery.
Choosing the right lubricant type, viscosity, and lubrication interval is crucial to ensuring the optimal performance and durability of sliding bearings. Regular maintenance and monitoring of lubrication levels are essential to prevent issues and extend the bearing’s service life.


editor by CX 2024-02-12