Small-Diameter Deep Groove 604 Ball Bearings 4mm X 12mm X 4mm

604 Ball Bearings

Model Numbers: 604, B604ZZ, 604ZZ, B604DDU

Brands Carried: MISUMI, NSK, NTN, EZO, NSK Micro Precision

Bearing Sizing: ID 4mm X OD 12mm X W 4mm, 4 mm Ball Bearing

Bearing Seals: Open, Double Shielded, Rubber Sealed

For more 604 ball bearings and seal options — we have hundreds visit MISUMI.



Select Part Numbers to Buy 604 Ball Bearings


Open Type 604
Single Shielded
Double Shielded B604ZZ 604ZZ 604ZZ 604ZZ 604ZZ
Rubber Sealed B604DDU


Please select between the four options above:

Open Type:
Ball Bearings Open
604 Ball Bearing
Single Shielded:
Ball Bearings Single Shielded
Double Shielded:
Ball Bearings Double Shielded
B604ZZ Ball Bearing
604ZZ Ball Bearing
Rubber Sealed:
Ball Bearings Rubber Sealed
B604DDU Ball Bearing


Miniature Ball Bearings 604 – 4X12X4mm Description

The 604 is a 4 mm Ball Bearing that can be used in many rotary and factory automation applications. The 604 Miniature Ball Bearings is an open style bearing. The 604ZZ ball bearing has a single row raceway and it is shielded on each side. The B604DDU ball bearing are shielded by two rubber seals on each side. The 604 4 mm Ball Bearing Inner Dimension 4mm X Outer Dimension 12mm X Width 4mm is an open style ball bearing designed for high rotational speeds and high dynamic loads.


604 Ball Bearings 4X12X4mm Specifications & Dimensions


Universal 604
Type Ball
Inner/Outer Ring Material Steel
Precision Grade 0
Inner Dimension d(Ø) 4
Outer Dimension D(Ø) 12
Width B (or T)(mm) 4
Retainer Type Punching
Load Direction Radial
Specifications/Environment Standard
Number of Raceway Ring Rows Single Track
Size Standards Metric Series
604 Ball Bearings Dimensions


Miniature Ball Bearings 604 – Technical Specifications/Dimensions


Open Ball Bearings



Single Shielded Ball Bearings



Double Shielded Ball Bearings


MISUMI B604ZZ Double Shielded PDF Link
NSK 604ZZ Double Shielded PDF Link
NTN 604ZZ Double Shielded PDF Link
EZO 604ZZ Double Shielded PDF Link
NSK Micro Precision 604ZZ Double Shielded PDF Link

Rubber Sealed Ball Bearings


MISUMI B604DDU Rubber Sealed PDF Link


Other Ball Bearing Series



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