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Specification
Brand : DAHSLNWKN
BulletPoint : Bearings
Color : One Color
ExternallyAssignedProductIdentifier : 8057255200022
ItemName : DAHSLNWKN 638ZZ Miniature Deep Groove Ball Bearings 8 * 28 * 9 mm ABEC-1 Grade 638Z 52100 Chrome Steel Bearing 638 ZZ
ItemPackageDimensions_Height : 1 centimeters
ItemPackageDimensions_Length : 3 centimeters
ItemPackageDimensions_Width : 2 centimeters
ItemPackageQuantity : 1
ItemTypeKeyword : magnetic-bearings
Manufacturer : DAHSLNWKN
ModelNumber : DAHSLNWKN
NumberOfItems : 1
PartNumber : DAHSLNWKN
ProductDescription : Bearings
Bearing
What is a Ball Bearing?
The Function of Ball Bearings
From small and large motors to car axles to electric fans and hard disc drives (HDDs), ball bearings are used in a wide array of machines for rotary motion. Ball bearings support rotary parts and reduce friction to facilitate the smooth operation of machines.
Ball Bearing Components
Ball bearings are comprised of four major parts: a large ring (outer ring), a small ring (inner ring), balls between the rings (steel balls), and a cage to prevent the balls from hitting each other. The modern structure dates back to around 1500, when Leonardo da Vinci invented ball bearings to reduce friction against the axles of horsedrawn carts. For more than 500 years, the ball bearing has been defined by this simple structure.
Miniature Ball Bearings are a type of rolling-element bearing that uses balls to maintainthe separation between the moving parts of the bearing. The purpose of a ball bearing is to reduce rotational friction and support radial and axial loads. Radial Ball bearings can support moderate radial loads and moderate axial loads (parallel to the shaft). They can operate at high speeds . Ball bearings with shields or seals for protection can be lubricated to last for the operating life. Sometimes ball bearings are also called "deep groove ball bearings."
Model Number: 638ZZ
Torque Capacity: 8*28*9mm
Surface Roughness: Ra 0.05
Structure: Deep Groove
Material: STEEL
Coatings: Grease
Widely used in household appliances, garden machinery, outdoor vehicles, industrial production, etc. Suitable for skateboards, longboards, inline skates, scooters, robots, ship rudder axles, etc.
Features: small friction, fast speed, smooth, low noise.
ProductSiteLaunchDate : 2024-08-07T08:48:48.293Z
Size : One Size
UnitCount : 1