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Single-Row Deep Groove Ball Bearing

Characteristics:

  • Low friction heat;
  • High speed;
  • Relatively weak load carrying capacity, not suitable for large radial loads, but can withstand radial and axial loads in both directions;
  • Single row deep groove ball bearings are widely used;
  • Simple installation and maintenance;
Consulta

Overview of Single-Row Deep Groove Ball Bearing

A single-row deep groove ball bearing is a type of rolling bearing that consists of a single row of balls placed between the inner and outer rings. It is the most widely used type of ball bearing because of its simplicity, versatility, and ability to handle both radial and axial loads in a variety of mechanical applications. Single-row deep groove ball bearings are designed for high-speed operations and have low friction, making them ideal for numerous applications in both industrial and household settings.

Single-Row Deep Groove Ball Bearing

Key Model Parameters

The key parameters for a typical single-row deep groove ball bearing include the following:

Parameter Description
Bore diameter (d) The internal diameter of the bearing, typically measured in mm.
Outer diameter (D) The external diameter of the bearing, typically measured in mm.
Width (B) The width of the bearing (the distance between the inner and outer rings), measured in mm.
Dynamic load rating (C) The bearing's capacity to carry a load while rotating, usually expressed in N (newtons).
Static load rating (C₀) The maximum load a bearing can handle without permanent deformation, expressed in N.
Maximum speed (rpm) The maximum allowable speed of the bearing, measured in revolutions per minute (rpm).
Lubrication type The method of lubrication (grease or oil) used to reduce friction and wear.
Sealing type Whether the bearing is sealed or open. Sealed bearings have shields or seals to prevent contamination.
Material Commonly made of high-carbon steel, stainless steel, or ceramic.

Common Product Models (Examples)

Número de modelo Bore Diameter (mm) Outer Diameter (mm) Width (mm) Dynamic Load Rating (C) (N) Static Load Rating (C₀) (N) Max Speed (rpm)
6200 10 30 9 6200 2900 12,000
6201 12 32 10 7600 3300 12,000
6300 10 35 11 9600 4000 10,000
6205 25 52 15 11,500 5200 8,000
6306 30 72 19 15,000 6900 8,000

These are just a few examples. The exact specifications depend on the application and load requirements.

Performance of Single-Row Deep Groove Ball Bearings

Load Capacity:

Capable of handling both radial and axial loads, but the radial load capacity is much higher.

  • Radial load: The bearing supports forces perpendicular to the axis of rotation.
  • Axial load: The bearing supports forces parallel to the axis of rotation, but only in one direction with a single-row configuration.

Velocidad:

  • Single-row deep groove ball bearings are capable of operating at high speeds with low friction and heat generation, which is one of their most important characteristics.
  • Maximum speed can range from around 8,000 rpm to 15,000 rpm depending on the bearing size and quality.

Durability:

  • Single-row deep groove ball bearings have high reliability and long service life when properly lubricated.
  • Sealed bearings are more resistant to contamination, extending their operational life.

Temperature Resistance:

  • The bearings can operate in a typical temperature range of -30°C to +120°C. Special materials and designs can allow for higher temperature operation.

Lubrication:

  • Proper lubrication is crucial for the bearings to reduce friction, wear, and overheating.
  • Common lubricants include grease (for long-lasting lubrication) or oil (for high-speed applications).

Low Noise and Vibration:

  • Due to the design of the ball bearings, they have low noise and low vibration during operation, which is important in noise-sensitive environments like electric motors or precision instruments.

Applications of Single-Row Deep Groove Ball Bearings

Single-Row Deep Groove Ball Bearing Single-Row Deep Groove Ball Bearing

1. Electric Motors:

Used in small and large motors to support the rotor shaft and ensure smooth rotation with minimal friction and wear.

2. Automotive Industry:

Commonly used in wheel hubs, gearboxes, steering mechanisms, and electric window lifts in cars and trucks.

3. Household Appliances:

Found in devices such as washing machines, dryers, refrigerators, air conditioners, and electric fans.

4. Industrial Equipment:

Used in pumps, compressors, conveyors, and machines requiring low friction for efficient and stable operation.

5. Machine Tools:

Single-row deep groove ball bearings are used in the spindle and other rotating components of machine tools.

6. Agricultural Machinery:

Applied in rotating parts of agricultural equipment such as harvesters, tractors, and other farming machinery.

7. Bicycles and Motorcycles:

Found in bicycle wheels, hubs, and in motorcycle wheel assemblies, reducing friction and ensuring smooth operation.

8. Precision Instruments:

Used in high-precision devices where low vibration and smooth rotation are necessary, such as in optical instruments, medical equipment, and robotics.

Resumen

Single-row deep groove ball bearings are simple, versatile, and reliable components used across a wide range of industries. Their ability to handle both radial and axial loads, combined with high-speed capability and low friction, makes them ideal for applications that require smooth rotation and long service life. Commonly used in electric motors, automotive, household appliances, industrial machines, and more, these bearings come in a variety of sizes and configurations to suit different needs. Proper lubrication and sealing significantly enhance their performance and durability, making them indispensable in many mechanical systems.

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