638zz

638zz Metric Standard
Price $ 1.15
Number
Part Number 638zz
System of Measurement Metric
Bearing Type Ball
For Load Direction Radial
Construction Single Row
Inner Ring Type Standard
Seal Type Shielded
Bore Dia 8 mm
Bore Dia Tolerance -0.008mm to 0
Outer Dia 28 mm
Outer Dia Tolerance -0.008mm to 0
Width 9 mm
Width Tolerance -0.12mm to 0
Ring Material Chrome Steel
Ball Material Chrome Steel
Cage Material Stainless Steel
Shield Material 300 Series Stainless Steel
Dynamic Radial Load 873 lbf
Static Radial Load 357 lbf
Max Speed (X1000 rpm) 28
Lubrication Required
Shaft Mount Type Press Fit
Temperature Range -30° to 110 °C
ABEC Rating ABEC1
Radial Clearance Trade No MC3
Radial Clearance 0.002mm to 0.013mm
RoHS Compliant
REACH Compliant
Ball Dia 4.7620 mm
Ball Qty 7
Weight 30.3 g

Design Features of 638zz Bearing

Designed to deliver reliable and efficient performance in tight spaces, 638zz Bearing is an excellent choice for industrial applications with limited space. 638zz bore dia is 8 mm. Its out dia is 28 mm. 638zz ball material is Chrome Steel. Its seal type is Shielded. With high-speed capabilities, low friction, and reduced noise levels, this bearing provides optimal performance. It meets industry standards for precision and durability, making it suitable for various applications in different industries requiring compact-space solutions.

 

Applications of 638zz Bearing

638zz Bearing is used across a wide range of industries that demand high precision and compact design, including but not limited to cryogenic coolers, pulmonary assist devices, clocks, and instrumentation. It is also utilized in fuel controls, surveillance systems, and gyros. Due to its small size and dependable performance, this bearing is a popular choice for applications where space is limited but precision is crucial.

 

Maintenance and Troubleshooting Tips of 638zz Bearing

Regular maintenance is crucial to ensure 638zz Bearing function at their best and last long. It's recommended to frequently inspect the bearing for any signs of contamination, wear, or damage. A non-corrosive solvent can be used to clean it, followed by thorough drying before lubrication. If there is any indication of excessive wear or damage, replace the bearing right away. Additionally, make sure to troubleshoot any issues with the application to ensure the bearing is being used within its intended parameters.

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