Minature 638 Ball Bearings 8mm X 28mm X 9mm

638 Ball Bearings

Model Numbers: 638, B638ZZ, 638ZZ

Brands Carried: MISUMI, NSK, EZO

Bearing Sizing: ID 8mm X OD 28mm X W 9mm, 8 mm Ball Bearing

Bearing Seals: Open, Double Shielded

For more 638 ball bearings and seal options — we have hundreds visit MISUMI.

 


  

Select Part Numbers to Buy 638 Ball Bearings

 

Bearing Seals MISUMI NSK EZO (SPB-USA)
Open Type 638
Single Shielded
Double Shielded B638ZZ 638ZZ 638ZZ
Rubber Sealed

 

Please select between the four options above:

Open Type:
 
Ball Bearings Open
638 Ball Bearing
Single Shielded:
 
Ball Bearings Single Shielded
Double Shielded:
 
Ball Bearings Double Shielded
B638ZZ Ball Bearing
638ZZ Ball Bearing
Rubber Sealed:
 
Ball Bearings Rubber Sealed

 


Miniature Ball Bearings 638 – 8X28X9mm Description

The 638 is a 8 mm Ball Bearing that can be used in many rotary and factory automation applications. The 638 Miniature Ball Bearings is an open style bearing. The 638ZZ ball bearing has a single row raceway and it is shielded on each side. The 638 8 mm Ball Bearing Inner Dimension 8mm X Outer Dimension 28mm X Width 9mm is an open style ball bearing designed for high rotational speeds and high dynamic loads.


 

638 Ball Bearings 8X28X9mm Specifications & Dimensions

 

Universal 638
Type Ball
Inner/Outer Ring Material Steel
Precision Grade 0
Inner Dimension d(Ø) 8
Outer Dimension D(Ø) 28
Width B (or T)(mm) 9
Retainer Type Punching
Load Direction Radial
Specifications/Environment Standard
Number of Raceway Ring Rows Single Track
Size Standards Metric Series
638 Ball Bearings Dimensions

 

Miniature Ball Bearings 638 – Technical Specifications/Dimensions

 

Open Ball Bearings

 

EZO 638 OPEN PDF Link

Single Shielded Ball Bearings

 


 

Double Shielded Ball Bearings

 

MISUMI B638ZZ Double Shielded PDF Link
NSK 638ZZ Double Shielded PDF Link
EZO 638ZZ Double Shielded PDF Link
 

Rubber Sealed Ball Bearings

 


 

Other Ball Bearing Series

 


 

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