China Standard Single Row Deep Groove Ball Bearings (6204-RS) with Good quality

Product Description

Single Row Deep Groove Ball Bearing  6204-RS, made of chrome steel GCr15

Product Description



Bearing No.: 6204-RS
Dimensions(d X D X B): 20 X 47 X 14mm
Material: Chrome Steel GCr15
Grade: P0
Clearance: C0
Weight: 0.102kg
Packaging: Industrial packaging (Plastic film/Craft paper/Carton)
Customized packaging (individual packaging) ways are acceptable.

For more details of 6200 series bearing, please leave message or directly contact our representitive.

Single row deep groove ball bearing                        /             Fuqin                 
Table 2:  6200 series
Bearing No. Dimensions
d D B rsmin r1smin
6200 6200-N 6200-ZN 6200-2Z 6200-2RS 10 30 9 0.6 0.5
6201 6201-N 6201-ZN 6201-2Z 6201-2RS 12 32 10 0.6 0.5
6202 6202-N 6202-ZN 6202-2Z 6202-2RS 15 35 11 0.6 0.5
6203 6203-N 6203-ZN 6203-2Z 6203-2RS 17 40 12 0.6 0.5
6204 6204-N 6204-ZN 6204-2Z 6204-2RS 20 47 14 1.0 0.5
6205 6205-N 6205-ZN 6205-2Z 6205-2RS 25 52 15 1.0 0.5
6206 6206-N 6206-ZN 6206-2Z 6206-2RS 30 62 16 1.0 0.5
6207 6207-N 6207-ZN 6207-2Z 6207-2RS 35 72 17 1.1 0.5
6208 6208-N 6208-ZN 6208-2Z 6208-2RS 40 80 18 1.1 0.5
6209 6209-N 6209-ZN 6209-2Z 6209-2RS 45 85 19 1.1 0.5
6210 6210-N 6210-ZN 6210-2Z 6210-2RS 50 90 20 1.1 0.5
6211 6211-N 6211-ZN 6211-2Z 6211-2RS 55 100 21 1.5 0.5
6212 6212-N 6212-ZN 6212-2Z 6212-2RS 60 110 22 1.5 0.5
6213 6213-N 6213-ZN 6213-2Z 6213-2RS 65 120 23 1.5 0.5
6214 6214-N 6214-ZN 6214-2Z 6214-2RS 70 125 24 1.5 0.5
6215 6215-N 6215-ZN 6215-2Z 6215-2RS 75 130 25 1.5 0.5
6216 6216-N 6216-ZN 6216-2Z 6216-2RS 80 140 26 2.0 0.5
6217 6217-N 6217-ZN 6217-2Z 6217-2RS 85 150 28 2.0 0.5
6218 6218-N 6218-ZN 6218-2Z 6218-2RS 90 160 30 2.0 0.5
6219 6219-N   6219-2Z 6219-2RS 95 170 32 2.1 0.5
6220 6220-N   6220-2Z 6220-2RS 100 180 34 2.1 0.5

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Rolling Body: Ball Bearings
The Number of Rows: Single
Outer Dimension: Small and Medium-Sized (60-115mm)
Material: Bearing Steel
Load Direction: Radial Bearing
Separated: Unseparated
US$ 0/Piece
1 Piece(Min.Order)

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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

Are there any Industry Standards or Certifications that Ball Bearings should Meet?

Yes, there are several industry standards and certifications that ball bearings should meet to ensure their quality, performance, and reliability. These standards help manufacturers, engineers, and customers assess the suitability of bearings for specific applications. Some of the key standards and certifications for ball bearings include:

  • ISO Standards:

The International Organization for Standardization (ISO) has developed a series of standards related to ball bearings. ISO 15 defines dimensions, boundary dimensions, and tolerances for radial bearings. ISO 281 specifies dynamic load ratings and calculation methods for bearings’ life calculations.

  • ABEC (Annular Bearing Engineering Committee) Ratings:

ABEC ratings are commonly used in North America to indicate the precision and performance of ball bearings. Ratings range from ABEC 1 (lowest precision) to ABEC 9 (highest precision). However, it’s important to note that ABEC ratings focus primarily on dimensional tolerances and do not encompass all aspects of bearing quality.

  • DIN Standards:

The German Institute for Standardization (Deutsches Institut für Normung, DIN) has published various standards related to ball bearings. DIN 625 covers dimensions for deep groove ball bearings, while DIN 616 provides guidelines for precision angular contact ball bearings.

  • JIS (Japanese Industrial Standards):

JIS standards are used in Japan and internationally to define the characteristics and dimensions of various products, including ball bearings. JIS B 1512 outlines the classification and dimensions of rolling bearings.

  • ASTM (American Society for Testing and Materials) Standards:

ASTM has standards that cover various aspects of bearing testing, performance, and materials. ASTM F2215, for instance, specifies the requirements for ball bearings used in surgical implants.

  • CE Marking:

CE marking indicates that a product complies with European Union health, safety, and environmental requirements. It may be required for bearings used in machinery intended to be sold within the EU market.

  • Industry-Specific Standards:

Various industries, such as aerospace, automotive, medical, and nuclear, have specific standards or certifications that bearings must meet to ensure safety, reliability, and compliance with industry-specific requirements.

  • Quality Management Systems:

Manufacturers that adhere to quality management systems, such as ISO 9001, demonstrate their commitment to consistent product quality and customer satisfaction. Certification to these systems indicates that the manufacturing process follows established protocols and best practices.

When selecting ball bearings, it’s important to consider the relevant standards and certifications that align with the application’s requirements. This ensures that the bearings meet recognized quality and performance criteria, ultimately contributing to reliable and efficient operation.

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 Standard Single Row Deep Groove Ball Bearings (6204-RS)   with Good qualityChina Standard Single Row Deep Groove Ball Bearings (6204-RS)   with Good quality
editor by CX 2024-03-29