Product Description

High Quality Original 6306 6205 ZZ 6008 2RSH1/C3 40*68*15 mm ball bearing

Deep groove ball bearings are suitable for high-speed or even extremely high-speed operation, and are very durable without frequent maintenance. This type of bearing has a small friction coefficient, high limit speed, and various size ranges and forms. It is used in precision instruments, low-noise motors, automobiles, motorcycles and general machinery industries. It is the most widely used type of bearing in the machinery industry. Mainly bear radial load, but also can bear a certain amount of axial load.
 

Applications:

• agriculture and forestry equipment
• automotive and industrial gearboxes
• automotive and truck electric components, such as alternators
• electric motors
• fluid machinery
• material handling
• power tools and household appliances
• textile machinery
• 2 Wheeler.

 

Product Parameters

 

Parameters of Bearing

Deep groove ball bearing vibration value clearance national standards
 
 Bearing Designation Size(mm) Vibration value standard decibels (Db) Clearance standard (um) without load
d×D×W Z Z1 Z2 Z3 Z4 C1 C2 C3 C4 C5
6000 10 × 26 × 8 43 42 38 33   0-7 2-13 8-23 14-29 20-37
6001 12 × 28 × 8 44 43 39 34   0-9 3-18 11-25 18-33 25-45
6002 15 × 32 × 9 45 44 40 35   0-9 3-18 11-25 18-33 25-45
6003 17 × 35 × 10 46 44 40 35   0-9 3-18 11-25 18-33 25-45
6004 20 × 42 × 12 47 45 41 36   0-10 5-20 13-28 20-36 28-48
6005 25 × 47 × 12 48 46 42 38   1-11 5-20 13-28 23-41 30-53
6006 30 × 55 × 13 49 47 43 39   1-11 5-20 13-28 23-41 30-53
6007 35 × 52 × 17 51 49 45 41   1-11 6-23 15-33 28-46 40-64
6008 40 × 68 × 15 53 51 45 42   1-11 6-23 15-33 28-46 40-64
6009 45 × 75 × 16 55 53 48 45   1-11 6-23 18-36 30-51 45-73
6571 50 × 80 × 16 57 54 50 47   1-15 8-28 23-43 38-61 55-90
6011 55 × 90 × 18 59 56 52 49   1-15 8-28 23-43 38-61 55-90
6012 60 × 95 × 18 61 58 54 51   1-15 8-28 23-43 38-61 55-90
6013 65 × 100 × 18 49 48 46     1-15 8-28 23-43 38-61 55-90
6014 70 × 110 × 20 50 49 47     1-15 10-30 25-51 46-71 Oct-65
6015 75 × 115 × 20 51 50 48     1-15 10-30 25-51 46-71 Oct-65
6200 10 × 30 × 9 44 42 39 35 30 0-9 3-18 11-25 18-33 25-45
6201 12 × 32 × 10 45 43 39 35 30 0-9 3-18 11-25 18-33 25-45
6202 15 × 35 × 11 46 44 41 36 31 0-9 3-18 11-25 18-33 25-45
6203 17 × 40 × 12 47 45 41 36 31 0-9 3-18 11-25 18-33 25-45
6204 20 × 47 × 14 48 46 42 38 33 0-10 5-20 13-28 20-36 28-48
6205 25 × 52 × 15 49 47 43 40 36 0-11 5-20 13-28 23-41 30-53
6206 30 × 62 × 16 50 48 44 41 37 0-11 5-20 13-28 23-41 30-53
6207 35 × 72 × 17 52 50 46 43 39 0-11 6-23 15-33 28-46 40-64
6208 40 × 80 × 18 54 52 47 44 40 1-11 6-23 15-33 28-46 40-64
6209 45 × 85 × 19 56 54 49 46 43 1-11 6-23 18-36 30-51 45-73
6210 50 × 90 × 20 58 55 51 48 45 1-11 6-23 18-36 30-51 45-73
6211 55 × 100 × 21 60 57 53 50 47 1-15 8-28 23-43 38-61 55-90
6212 60 × 110 × 22 62 59 54 52 48 1-15 8-28 23-43 38-61 55-90
6213 65 × 120 × 23 50 49 47 42   1-15 8-28 23-43 38-61 55-90
6214 70 × 125 × 24 51 50 48 43   1-15 10-30 25-51 46-71 Oct-62
6215 75 × 130 × 25 52 51 49 44   1-15 10-30 25-51 46-71 Oct-62
6300 10 × 35 × 11 46 44 40 37 32 0-9 3-18 11-25 18-33 25-45
6301 12 × 37 × 12 47 45 40 37 32 0-9 3-18 11-25 18-33 25-45
6302 15 × 42 × 13 48 46 42 38 33 0-9 3-18 11-25 18-33 25-45
6303 17 × 47 × 14 49 47 42 38 33 0-9 3-18 11-25 18-33 25-45
6304 20 × 52 × 15 50 48 43 39 34 0-11 5-20 13-28 20-36 28-48
6305 25 × 62 × 17 51 49 44 41 37 1-11 5-20 13-28 23-41 30-53
6306 30 × 72 × 19 52 50 45 42 38 1-11 5-20 13-28 23-41 30-53
6307 35 × 80 × 21 54 52 47 44 40 1-11 6-23 15-33 28-46 40-64
6308 40 × 90 × 23 56 54 49 45 41 1-11 6-23 15-33 28-46 40-64
6309 45 × 100 × 25 58 56 51 47 44 1-11 6-23 18-36 30-51 45-73
6310 50 × 110 × 27 60 57 53 49 46 1-11 6-23 18-36 30-51 45-73
6311 55 × 120 × 29 62 59 54 51 48 1-15 8-28 23-43 38-61 55-90
6312 60 × 30 × 31 64 61 56 53 50 1-15 8-28 23-43 38-61 55-90
6313 65 × 140 × 33 51 50 48 43   1-15 8-28 23-43 38-61 55-90
6314 70 × 150 × 35 52 51 49 44   1-15 10-30 25-51 46-71 Oct-65
6315 75 × 160 × 37 53 52 50 45   1-15 10-30 25-51 46-71 Oct-65

 

Detailed Photos

Our Advantages

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 )

****More produce***

 

Packaging & Shipping

 

Why choose us ?

1. Quality Control To ensure the quality of our vehicles and other products, Our QC staffs do strict supplier evaluations, in-coming inspections, in-process inspections, final inspections and pre-delivery inspections. The most important is that we listen to what our customers say and are always looking for ways to improve the quality of our products through continuous improvement.

2. OEM Ability We have built stable and long-term cooperate relationshilp with supermarkets,we canalso provide ODM, OEM and Agent services to our customers over the world.

3. Parts Available We have spare bearings for immediate delivery to anywhere in the world. Our Bearings widely used in the fields of motor, fan, injection molding machine, mining, mechanical equipment, metallurgy, rolling, automobile, railway, iron and steel, power, textile, packaging, petroleum, paper making, etc

4. Good Warranty We take customer satisfaction and product quality as the first priority for us. We supply reliable warranties and good after-sales services.

 

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.

 

Factory Display

 

 

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Material: Bearing Steel
Bearings Type: Ball Bearing
Feature: Long Life, High Speed, Low Noise
Precision: P0 P6 P5 P4
Vibration: Z1V1, Z2V2, Z3V3;
Cage: Steel Cage.
Samples:
US$ 0/Piece
1 Piece(Min.Order)

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Request Sample

Customization:
Available

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Customized Request

ball bearing

What are the Challenges Associated with Noise Reduction in Ball Bearings?

Noise reduction in ball bearings is a crucial consideration, especially in applications where noise levels must be minimized for operational efficiency and user comfort. While ball bearings are designed to operate smoothly, there are several challenges associated with reducing noise in their operation:

  • Vibration:

Vibration generated by the movement of rolling elements and raceways can lead to noise. Even minor irregularities in bearing components or the mounting system can cause vibration that translates into audible noise.

  • Bearing Type and Design:

The type and design of the ball bearing can impact noise generation. For example, deep groove ball bearings are known for their quiet operation, while angular contact bearings can generate more noise due to their higher contact angles.

  • Lubrication:

Improper or inadequate lubrication can result in increased friction and wear, leading to noise. Choosing the right lubricant and maintaining proper lubrication levels are essential for reducing noise in ball bearings.

  • Bearing Clearance and Preload:

Incorrect clearance or preload settings can lead to noise issues. Excessive clearance or inadequate preload can cause the rolling elements to impact the raceways, resulting in noise during rotation.

  • Material and Manufacturing Quality:

The quality of materials and manufacturing processes can affect noise levels. Inconsistent or low-quality materials, improper heat treatment, or manufacturing defects can lead to noise generation during operation.

  • Surface Finish:

The surface finish of the rolling elements and raceways can impact noise. Rough surfaces can generate more noise due to increased friction and potential irregularities.

  • Sealing and Shielding:

Seals and shields that protect bearings can influence noise levels. While they are necessary for contamination prevention, they can also cause additional friction and generate noise.

  • Operating Conditions:

External factors such as temperature, speed, and load can influence noise levels. High speeds or heavy loads can amplify noise due to increased stress on the bearing components.

  • Wear and Deterioration:

As ball bearings wear over time, noise levels can increase. Worn components or inadequate lubrication can lead to more significant noise issues as the bearing operates.

To address these challenges and reduce noise in ball bearings, manufacturers and engineers employ various techniques, such as optimizing design, selecting suitable bearing types, using proper lubrication, maintaining accurate preload settings, and ensuring high-quality materials and manufacturing processes. Noise reduction efforts are essential to improve overall product quality, meet noise regulations, and enhance user experience in various applications.

ball bearing

What Role do Seals and Shields Play in Protecting Ball Bearings from Dirt and Debris?

Seals and shields are critical components of ball bearings that play a crucial role in protecting them from dirt, debris, moisture, and contaminants in various applications. These protective features help maintain the integrity of the bearing’s internal components and ensure reliable operation. Here’s how seals and shields contribute to bearing protection:

  • Contaminant Exclusion:

Seals and shields create a physical barrier between the external environment and the bearing’s interior. They prevent dust, dirt, water, and other contaminants from entering the bearing and coming into contact with the rolling elements and raceways.

  • Lubrication Retention:

Seals and shields help retain lubrication within the bearing. They prevent the lubricant from escaping and contaminants from entering, ensuring that the bearing remains properly lubricated for smooth operation and reduced friction.

  • Corrosion Prevention:

Seals and shields protect bearing components from exposure to moisture and corrosive substances. By preventing moisture ingress, they help extend the bearing’s lifespan by minimizing the risk of corrosion-related damage.

  • Extended Bearing Life:

Seals and shields contribute to the overall longevity of the bearing by reducing wear and damage caused by contaminants. They help maintain a clean internal environment, which promotes proper rolling contact and minimizes the risk of premature failure.

  • Enhanced Performance in Harsh Environments:

In applications exposed to harsh conditions, such as outdoor machinery or industrial settings, seals and shields are vital. They protect bearings from abrasive particles, chemicals, and extreme temperatures, ensuring reliable performance despite challenging conditions.

  • Noise and Vibration Reduction:

Seals and shields can help reduce noise and vibration generated by the bearing. They provide additional damping and stability, contributing to smoother operation and enhanced user comfort in noise-sensitive applications.

  • Customized Protection:

Manufacturers offer a variety of seal and shield designs to suit different application requirements. Some seals provide higher levels of protection against contamination, while others are designed for high-speed or high-temperature environments.

  • Trade-Offs:

While seals and shields offer significant benefits, they can also introduce some friction due to contact with the bearing’s inner or outer ring. Engineers must balance the level of protection with the desired operating characteristics, considering factors like friction, speed, and environmental conditions.

Overall, seals and shields play a vital role in maintaining the integrity and performance of ball bearings. By effectively preventing contaminants from entering and preserving lubrication, they ensure the smooth and reliable operation of machinery and equipment in a wide range of applications.

ball bearing

How do Ball Bearings Differ from Other Types of Bearings like Roller Bearings?

Ball bearings and roller bearings are two common types of rolling-element bearings, each with distinct designs and characteristics. Here’s a comparison of ball bearings and roller bearings:

  • Design:

Ball Bearings: Ball bearings use spherical balls to separate and reduce friction between the bearing’s inner and outer rings. The balls enable rolling motion and smooth contact, minimizing friction.

Roller Bearings: Roller bearings, as the name suggests, use cylindrical or tapered rollers instead of balls. These rollers have larger contact areas, distributing loads over a broader surface.

  • Friction and Efficiency:

Ball Bearings: Due to the point contact between the balls and the rings, ball bearings have lower friction and are more efficient at high speeds.

Roller Bearings: Roller bearings have a larger contact area, resulting in slightly higher friction compared to ball bearings. They are more suitable for heavy-load applications where efficiency is prioritized over high speeds.

  • Load Capacity:

Ball Bearings: Ball bearings excel at handling light to moderate loads in both radial and axial directions. They are commonly used in applications where smooth rotation and low friction are important.

Roller Bearings: Roller bearings have a higher load-carrying capacity than ball bearings. They can support heavier radial and axial loads and are preferred for applications with significant loads or impact forces.

  • Variability:

Ball Bearings: Ball bearings come in various designs, including deep groove, angular contact, and thrust ball bearings, each suitable for different applications.

Roller Bearings: Roller bearings have diverse types, including cylindrical, spherical, tapered, and needle roller bearings, each optimized for specific load and motion requirements.

  • Speed Capability:

Ball Bearings: The reduced friction in ball bearings makes them suitable for high-speed applications, such as electric motors and precision machinery.

Roller Bearings: Roller bearings can handle higher loads but are generally better suited for moderate to low speeds due to slightly higher friction.

  • Applications:

Ball Bearings: Ball bearings are used in applications where smooth motion, low friction, and moderate loads are essential, such as electric fans, bicycles, and some automotive components.

Roller Bearings: Roller bearings find applications in heavy machinery, construction equipment, automotive transmissions, and conveyor systems, where heavier loads and durability are crucial.

In summary, ball bearings and roller bearings differ in their design, friction characteristics, load capacities, speed capabilities, and applications. The choice between them depends on the specific requirements of the machinery and the type of loads and forces involved.

China best High Quality Original 608 6202 6203 6204 6305 6304 6306 6205 6206 6207 6208 6305 6306 6310 6312 6314 6315 6222 6224 6226 6228 6230 6008 M Zz 2RS C3 Ball Bearing   double row ball bearingChina best High Quality Original 608 6202 6203 6204 6305 6304 6306 6205 6206 6207 6208 6305 6306 6310 6312 6314 6315 6222 6224 6226 6228 6230 6008 M Zz 2RS C3 Ball Bearing   double row ball bearing
editor by CX 2024-04-16