697ZZ Bearing

 

697ZZ ball bearings, up to 38,000 revolutions, high temperature resistance of 200℃, can withstand high radial and axial loads. The 697ZZ aperture is 7 mm. Its outer diameter is 17 mm. 697ZZ bearing material is 52100 chrome steel, there are open without sealing ring, with iron sealing ring, butadiene rubber sealing ring three styles.

 

Metric deep groove ball bearing
Model	697zz
Inside diameter (mm)	7
Outside diameter (mm)	17
The width (mm)	OPEN		5
	ZZ		5
The material	Inner ring	Gcr15	Testing standard	GB-T 305-1998
	Outer ring	Gcr15		GB-T 305-1998
	Steel ball	Gcr15		GB-T 305-1998
	Dust cover (ZZ)	SPCC/SUS		GB-T 305-1998
	Retainer (R)	SUS/MN		-
	Oil and grease	LY series		JB-T 8571-1997
	Resistance to high temperature (℃)	50~150		JB-T 8571-1997
Base rated load	Dynamic load Cr (N)		1605
	Cor static load (N)		719
Application field	All kinds of micro motors, cooling fans, instruments and meters, printers, smart home, precision instruments, machinery and equipment, household appliances, medical equipment, fishing gear, mining machinery, elevator and accessories industry, precision machine tools and other fields
Our company can customize, develop and produce all kinds of non-standard bearings according to customer requirements.

 

 

Smart home products, office equipment printer, cloud billiard machine, gyroscope, beauty products, drones and Models, fishing wheel, etc

1. Material and Precautions: The 697zz bearing is typically made of high-quality chrome steel, which provides excellent strength and durability. Chrome steel bearings are resistant to corrosion and can withstand high temperatures and heavy loads. When handling the bearing, it is important to wear protective gloves to prevent contamination from oils or dirt on the skin. Additionally, the bearing should be stored in a clean and dry environment to maintain its performance.

 

2. Application Scenarios: The 697zz bearing is commonly used in various industries and applications. Its small size and versatility make it suitable for high-speed rotational applications with moderate radial and axial loads. Some common applications include electric motors, small machinery, instrumentation, robotics, and hobby projects.

 

3. Bearing Precision: The precision of the 697zz bearing is defined by the ABEC (Annular Bearing Engineering Committee) rating system. The ABEC rating indicates the tolerance and accuracy of the bearing's dimensions, as well as its rotational performance. The 697zz bearing typically falls within the ABEC-1 or ABEC-3 precision levels, which are suitable for most general-purpose applications.

 

4. Lubrication Oil Type: Proper lubrication is essential for the optimal performance and longevity of the 697zz bearing. The recommended lubricant for this bearing is a high-quality, low-viscosity grease specifically designed for miniature bearings. The grease should have good anti-wear and anti-corrosion properties to protect the bearing surfaces. Regular lubrication intervals should be maintained to ensure smooth operation.

 

5. Installation and Fitment: During the installation of the 697zz bearing, it is crucial to ensure proper alignment and fitment to achieve optimal performance. The shaft and housing should have appropriate tolerances to avoid excessive clearance or interference. Generally, a press fit is used for the shaft, while the housing can have either a press fit or a slip fit, depending on the specific application requirements. It is important to follow the manufacturer's guidelines or consult a professional to determine the correct fitment for the specific application.

 

6. Frequently Asked Questions and Answers:

Q: What is the maximum speed limit for the 697zz bearing?

A: The maximum speed limit for the 697zz bearing depends on various factors, including the bearing's precision, lubrication, and operating conditions. Generally, this bearing can handle speeds up to a few thousand revolutions per minute (RPM) in typical applications.

 

Q: Can the 697zz bearing withstand high temperatures?

A: The 697zz bearing is designed to operate within a wide temperature range. However, prolonged exposure to extreme temperatures can affect its performance and longevity. It is important to consider using alternative bearing materials or lubricants suitable for high-temperature applications if required.

 

Q: Can the 697zz bearing support axial loads?

A: Yes, the 697zz bearing is capable of supporting moderate axial loads in addition to radial loads. However, it is essential to ensure that the axial load does not exceed the bearing's specified limits to prevent premature failure.

 

Q: Can the 697zz bearing be disassembled and reassembled?

A: The 697zz bearing is typically a non-disassemblable bearing, meaning it is not designed to be easily taken apart and reassembled. Attempting to disassemble the bearing may result in damage or reduced performance. It is recommended to replace the entire bearing if necessary.

 

Q: Are there any special precautions for cleaning the 697zz bearing?

A: When cleaning the 697zz bearing, it is important to use a suitable solvent or cleaning agent specifically designed for bearings. Ensure that all old grease and contaminants are thoroughly removed without damaging the bearing surfaces. After cleaning, re-lubricate the bearing with the appropriate grease before installation.

 

In summary, the 697zz bearing is a small-sized, versatile bearing made of chrome steel, suitable for high-speed applications with moderate loads. It requires proper installation, lubrication, and maintenance for optimal performance.

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