Product Description

Miniature deep groove ball bearings refers to the metric series, the outer diameter is less than 9mm; inch series, the outer diameter is less than 9.525mm of various types of bearings, the main materials are carbon steel, bearing steel, stainless steel, plastics, ceramics, etc., of which the smallest diameter can be done to 0.6mm, the general inner diameter of 1mm more.

Basic Info

Bearing number

(mm) Dimension

Bearing Number

(mm)Dimensions

Model Number

(mm)Dimensions

F604

4*12*4

F683

3*7*2

F693

3*8*3

F605

5*14*5

F684

4*9*2.5

F694

4*11*4

F606

6*17*6

F685

5*11*3

F695

5*13*4

F607

7*19*6

F686

6*13*3.5

F696

6*15*5

F608

2*7*3.5

F687

7*14*3.5

F697

7*17*5

F609

9*24*7

F688

8*16*4

F698

8*19*6

F6000

10*26*8

F689

9*17*4

F699

9*20*6

F6001

12*28*8

F6800

10*19*5

F6900

10*22*6

F6700

10*15*3

F6801

12*21*5

F6901

12*24*6

F6701

12*18*4

F6802

15*24*5

 

 

F6702

15*21*4

F634

4*16*5

 

 

F6703

17*23*4

F635

5*19*6

 

 

F6704

20*27*4

F636

6*22*7

 

 

F623

3*10*4

 

 

 

 

F624

4*13*5

 

 

 

 

F625

5*16*5

 

 

 

 

F626

6*19*6

 

 

 

 

F627

7*22*7

 

 

 

 

Bearing number

(mm) Dimension

Bearing Number

(mm)Dimensions

Model Number

(mm)Dimensions

MF63

3*6*2

MF105

5*10*3

FR188

6.35*12.7*13.894

MF74

4*7*2

MF106

6*10*2.5

FR166

4.762*9.525*10.719

MF83

3*8*2.5

MF115

5*11*4

 

 

MF84

4*8*2

MF117

7*11*2.5

 

 

MF85

5*8*2

MF126

6*12*3

 

 

MF93

3*9*2.5

MF128

8*12*2.5

 

 

MF95

5*9*2.5

MF137

7*13*3

 

 

MF104

4*10*3

MF148

8*14*3.5

 

 

MR52

2*5*2

MR105

5*10*3

 

 

MR63

3*6*2

MR106

6*10*2.5

 

 

MR74

4*7*2

MR115

5*11*4

 

 

MR83

3*8*2.5

MR117

7*11*2.5

 

 

MR84

4*8*2

MR126

6*12*3

 

 

MR85

5*8*2

MR128

8*12*2.5

 

 

MR93

3*9*2.5

MR137

7*13*3

 

 

MR95

5*9*2.5

MR148

8*14*3.5

 

 

MR104

4*10*3

MR149

9*14*3

 

 

 

    ZheJiang Haina Bearing Co., Ltd. is an integrated company of industry and trade. Since its establishment, it has been committed to the research and development, production, and sales of high-end 7 types of tapered roller bearings, British non-standard bearings, deep groove ball bearings, and outer spherical bearings. We can customize and adjust various types of bearings according to customer needs. The products are widely applicablein fields such as automobiles, mines, chemicals, metallurgy, reducers, engineering machinery, agricultural machinery, and electric motors.

    Our company has advanced testing equipment, forming a production model of product serialization and mass production. We have a group of experienced and skilled management personnel, who have introduced advanced production equipment and measuringand testing equipment. From the purchase of bearing raw materials to the delivery of finished products, we strictly control the entire process, ensuring the quality of the products.The products have the characteristics of precision, low noise, high load-bearing capacity and long service life.

1. Your factory how to control the quality?
A: All bearing parts before the production and the production process, strict inspection by 100%, including crack detection, roundness, hardness,
roughness,and the geometry size, all bearing meet ISO international standard.

2. Can you tell me the bearing material?
A: We have chrome steel GCR15, stainless steel, ceramics and other materials.

3. How long is your delivery time?
A: If the goods are in stock, usually 5 to 10 days, if the goods are no stock for 15 to 20 days, according to the quantity to determine the time.

4. OEM and custom you can receive?
A: Yes, accept OEM, can also be customized according to samples or drawings for you.
  /* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

OEM: Acceptable
Quality: P0 P2 P4 P5 P6
Number of Row: Single Rows
Single Row ID Size Range: 2-4mm
Single Row Od Size Range: 5-8mm
Material: Alloy
Samples:
US$ 10/Piece
1 Piece(Min.Order)

|
Request Sample

ball bearing

What are the Common Signs of Wear or Damage in Ball Bearings that Indicate the Need for Replacement?

Ball bearings are subjected to wear and stress during operation, and over time, they may exhibit signs of damage or deterioration that warrant replacement. Recognizing these signs is crucial to prevent catastrophic failure and ensure safe and reliable operation. Here are the common signs of wear or damage in ball bearings:

  • Unusual Noise:

If you hear unusual grinding, clicking, or rumbling noises coming from the bearing during operation, it may indicate worn-out or damaged components. Unusual noise suggests that the bearing is no longer operating smoothly.

  • Vibration:

Excessive vibration in the machinery can be a sign of bearing wear. Vibrations can result from uneven wear, misalignment, or damaged components within the bearing.

  • Increased Temperature:

Higher operating temperatures than usual may indicate increased friction due to inadequate lubrication, wear, or other issues. Monitoring the bearing’s temperature can help identify potential problems.

  • Irregular Movement:

If you notice irregular movement, jerking, or sticking during rotation, it could be a sign that the bearing is no longer operating smoothly. This may be due to damaged rolling elements or raceways.

  • Reduced Performance:

If the machinery’s performance has decreased, it may be due to a compromised bearing. Reduced efficiency, increased energy consumption, or a decline in overall performance could be indicators of bearing wear.

  • Visible Wear or Damage:

Inspect the bearing for visible signs of wear, such as pitting, scoring, or discoloration on the rolling elements or raceways. Severe wear or damage is a clear indication that the bearing needs replacement.

  • Leakage or Contamination:

If there is evidence of lubricant leakage, contamination, or the presence of foreign particles around the bearing, it suggests that the seal or shield may be compromised, leading to potential damage.

  • Looseness or Excessive Play:

If you can feel excessive play or looseness when manually moving the bearing, it could indicate worn-out components or misalignment.

  • Reduced Lifespan:

If the bearing’s expected lifespan is significantly shorter than usual, it may be due to inadequate lubrication, excessive loads, or improper installation, leading to accelerated wear.

  • Frequent Failures:

If the bearing is consistently failing despite regular maintenance and proper use, it could indicate a chronic issue that requires addressing, such as inadequate lubrication or misalignment.

It’s important to conduct regular inspections, monitor performance, and address any signs of wear or damage promptly. Replacing worn or damaged ball bearings in a timely manner can prevent further damage to machinery, reduce downtime, and ensure safe and efficient operation.

ball bearing

How do Miniature Ball Bearings Differ from Standard-sized Ones, and Where are They Commonly Used?

Miniature ball bearings, as the name suggests, are smaller in size compared to standard-sized ball bearings. They have distinct characteristics and are designed to meet the unique requirements of applications that demand compactness, precision, and efficient rotation in confined spaces. Here’s how miniature ball bearings differ from standard-sized ones and where they are commonly used:

  • Size:

The most noticeable difference is their size. Miniature ball bearings typically have outer diameters ranging from a few millimeters to around 30 millimeters, while standard-sized ball bearings have larger dimensions suitable for heavier loads and higher speeds.

  • Load Capacity:

Due to their smaller size, miniature ball bearings have lower load-carrying capacities compared to standard-sized bearings. They are designed for light to moderate loads and are often used in applications where precision and compactness are prioritized over heavy load support.

  • Precision:

Miniature ball bearings are known for their high precision and accuracy. They are manufactured to tighter tolerances, making them suitable for applications requiring precise motion control and low levels of vibration.

  • Speed:

Miniature ball bearings can achieve higher speeds than standard-sized bearings due to their smaller size and lower mass. This makes them ideal for applications involving high-speed rotation.

  • Friction and Efficiency:

Miniature ball bearings generally have lower friction due to their smaller contact area. This contributes to higher efficiency and reduced heat generation in applications that require smooth and efficient motion.

  • Applications:

Miniature ball bearings find applications in various industries and sectors:

  • Electronics and Consumer Devices:

They are used in small motors, computer disk drives, printers, and miniature fans, where space is limited but precise motion is essential.

  • Medical and Dental Equipment:

Miniature bearings are used in medical devices such as surgical instruments, dental handpieces, and diagnostic equipment due to their precision and compactness.

  • Robotics and Automation:

Miniature ball bearings are integral to robotic arms, miniature conveyors, and automation systems, enabling precise movement in confined spaces.

  • Aerospace and Defense:

They are used in applications like UAVs (drones), aerospace actuators, and satellite components where size and weight constraints are critical.

  • Optics and Instrumentation:

Miniature bearings play a role in optical instruments, cameras, and measuring devices, providing smooth rotation and accurate positioning.

Overall, miniature ball bearings are specialized components designed for applications where space, precision, and efficient rotation are paramount. Their compactness and high precision make them crucial in various industries requiring reliable motion control in limited spaces.

ball bearing

Can you Explain the Various Types of Ball Bearings and their Specific Use Cases?

Ball bearings come in various types, each designed to meet specific application requirements. Here’s an overview of the different types of ball bearings and their specific use cases:

  • Deep Groove Ball Bearings:

Deep groove ball bearings are the most common and versatile type. They have a deep raceway that allows them to handle both radial and axial loads. They are used in a wide range of applications, including electric motors, household appliances, automotive components, and industrial machinery.

  • Angular Contact Ball Bearings:

Angular contact ball bearings have a contact angle that enables them to handle both radial and axial loads at specific angles. They are suitable for applications where combined loads or thrust loads need to be supported, such as in machine tool spindles, pumps, and agricultural equipment.

  • Self-Aligning Ball Bearings:

Self-aligning ball bearings have two rows of balls and are designed to accommodate misalignment between the shaft and the housing. They are used in applications where shaft deflection or misalignment is common, such as conveyor systems, textile machinery, and paper mills.

  • Thrust Ball Bearings:

Thrust ball bearings are designed to support axial loads in one direction. They are commonly used in applications where axial loads need to be supported, such as in automotive transmissions, steering systems, and crane hooks.

  • Single-Row vs. Double-Row Bearings:

Single-row ball bearings have a single set of balls and are suitable for moderate load and speed applications. Double-row ball bearings have two sets of balls and offer higher load-carrying capacity. Double-row designs are used in applications such as machine tool spindles and printing presses.

  • Miniature and Instrument Ball Bearings:

Miniature ball bearings are smaller in size and are used in applications with limited space and lower load requirements. They are commonly used in small electric motors, medical devices, and precision instruments.

  • Max-Type and Conrad Bearings:

Max-type ball bearings have a larger number of balls to increase load-carrying capacity. Conrad bearings have fewer balls and are used in applications with moderate loads and speeds.

  • High-Precision Ball Bearings:

High-precision ball bearings are designed for applications where accuracy and precision are critical, such as machine tool spindles, aerospace components, and optical instruments.

  • High-Speed Ball Bearings:

High-speed ball bearings are engineered to minimize friction and accommodate rapid rotation. They are used in applications such as dental handpieces, turbochargers, and centrifuges.

In summary, the various types of ball bearings are tailored to different application requirements, including load type, direction, speed, and environmental conditions. Selecting the appropriate type of ball bearing ensures optimal performance and longevity in specific applications.

China Best Sales China Famous Brand Fast Delivery Mr52 Mr63 Mr74 Mr83 Mr84 Deep Groove Ball Bearings   bearing bronzeChina Best Sales China Famous Brand Fast Delivery Mr52 Mr63 Mr74 Mr83 Mr84 Deep Groove Ball Bearings   bearing bronze
editor by CX 2024-04-22

Steel Ball Bearings

As one of the leading steel ball bearings manufacturers, suppliers, and exporters of mechanical products, We offer steel ball bearings and many other products.

Please get in touch with us for details.

Manufacturer supplier exporter of steel ball bearings.

Recent Posts