Small MR84 Ball Bearings 4mm X 8mm X 2mm

MR84 Ball Bearings

Model Numbers: MR84, MR84ZZ

Brands Carried: NSK, EZO

Bearing Sizing: ID 4mm X OD 8mm X W 2mm, 4 mm Ball Bearing

Bearing Seals: Open, Double Shielded

For more MR84 ball bearings and seal options — we have hundreds visit MISUMI.



Select Part Numbers to Buy MR84 Ball Bearings


Bearing Seals NSK EZO (SPB-USA)
Open Type MR84
Single Shielded
Double Shielded MR84ZZ MR84ZZ
Rubber Sealed


Please select between the four options above:

Open Type:
Ball Bearings Open
MR84 Ball Bearing
Single Shielded:
Ball Bearings Single Shielded
Double Shielded:
Ball Bearings Double Shielded
MR84ZZ Ball Bearing
Rubber Sealed:
Ball Bearings Rubber Sealed


Miniature Ball Bearings MR84 – 4X8X2mm Description

The MR84 is a 4 mm Ball Bearing that can be used in many rotary and factory automation applications. The MR84 Miniature Ball Bearings is an open style bearing. The MR84ZZ ball bearing has a single row raceway and it is shielded on each side. The MR84 4 mm Ball Bearing Inner Dimension 4mm X Outer Dimension 8mm X Width 2mm is an open style ball bearing designed for high rotational speeds and high dynamic loads.


MR84 Ball Bearings 4X8X2mm Specifications & Dimensions


Universal MR84
Type Ball
Inner/Outer Ring Material Steel
Precision Grade 0
Inner Dimension d(Ø) 4
Outer Dimension D(Ø) 8
Width B (or T)(mm) 2
Retainer Type Punching
Load Direction Radial
Specifications/Environment Standard
Number of Raceway Ring Rows Single Track
Size Standards Metric Series
MR84 Ball Bearings Dimensions


Miniature Ball Bearings MR84 – Technical Specifications/Dimensions


Open Ball Bearings



Single Shielded Ball Bearings



Double Shielded Ball Bearings


NSK MR84ZZ Double Shielded PDF Link
EZO MR84ZZ Double Shielded PDF Link

Rubber Sealed Ball Bearings



Other Ball Bearing Series



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