Bearings Name	New Model	Old Model:	ID(mm)	OD(mm)	Width(mm)	Cr(kN)	Cor(kN)	Grease Lubrication Speed(r/min)	Oil Lubrication Speed(r/min)	Weight(kg)
DAC39680637 Angular contact ball bearing	DAC39680637	-	39	68.06	37	-	-	-	-	0.480

The "6806" code refers to a specific type of deep groove ball bearing. Let's discuss its details, dimensions, material, precision, application, brand, and features:

Details:
- Bearing Type: Deep groove ball bearing
- Series: 68 series
- Bore Diameter: 30mm
- Outer Diameter: 42mm
- Width: 7mm

Material:
- The inner and outer rings, as well as the balls, are typically made of high-quality bearing steel, such as chrome steel (AISI 52100) or stainless steel (AISI 440C). These materials provide excellent strength, durability, and corrosion resistance.

Precision:
- Deep groove ball bearings are available in different precision classes, such as ABEC (Annular Bearing Engineering Committee) or ISO (International Organization for Standardization) standards. The precision class for the "6806" bearing may vary depending on the specific manufacturer or brand.

Application:
- Deep groove ball bearings, including the "6806" bearing, are commonly used in various applications, such as electric motors, pumps, fans, bicycles, and machinery that require moderate to high-speed operations. They are suitable for handling both radial and axial loads.

Brand:
- There are several reputable bearing manufacturers that produce deep groove ball bearings, including SKF, NSK, NTN, FAG, and Timken, among others. The specific brand for the "6806" bearing may depend on the supplier or customer preference.

Features:
- Deep groove ball bearings, including the "6806" bearing, have a simple design with an inner and outer ring, a cage, and a set of balls. They offer low friction, high efficiency, and smooth operation.
- These bearings can accommodate both radial and axial loads in both directions.
- They have a wide range of operating temperatures and can handle moderate to high-speed applications.
- Deep groove ball bearings are known for their versatility, durability, and long service life.

It's important to note that the specific details, dimensions, material, precision, application, brand, and features of the "6806" bearing may vary depending on the manufacturer or supplier. It is recommended to consult the manufacturer's specifications or contact a bearing supplier for precise information.