Deep Groove 6921 Ball Bearings 105mm X 145mm X 20mm

6921 Ball Bearings

Model Numbers: 6921, 6921ZZ, 6921LLU

Brands Carried: NSK, NTN

Bearing Sizing: ID 105mm X OD 145mm X W 20mm, 105 mm Ball Bearing

Bearing Seals: Open, Double Shielded, Rubber Sealed

For more 6921 ball bearings and seal options — we have hundreds visit MISUMI.



Select Part Numbers to Buy 6921 Ball Bearings


Bearing Seals NSK NTN
Open Type 6921
Single Shielded
Double Shielded 6921ZZ 6921ZZ
Rubber Sealed 6921LLU


Please select between the four options above:

Open Type:
Ball Bearings Open
6921 Ball Bearing
Single Shielded:
Ball Bearings Single Shielded
Double Shielded:
Ball Bearings Double Shielded
6921ZZ Ball Bearing
Rubber Sealed:
Ball Bearings Rubber Sealed
6921LLU Ball Bearing


Deep Groove Ball Bearings 6921 – 105X145X20mm Description

The 6921 is a 105 mm Ball Bearing that can be used in many rotary and factory automation applications. The 6921 Deep Groove Ball Bearings is an open style bearing. The 6921ZZ ball bearing has a single row raceway and it is shielded on each side. The 6921LLU ball bearing are shielded by two rubber seals on each side. The 6921 105 mm Ball Bearing Inner Dimension 105mm X Outer Dimension 145mm X Width 20mm is an open style ball bearing designed for high rotational speeds and high dynamic loads.


6921 Ball Bearings 105X145X20mm Specifications & Dimensions


Universal 6921
Type Ball
Inner/Outer Ring Material Steel
Precision Grade 0
Inner Dimension d(Ø) 105
Outer Dimension D(Ø) 145
Width B (or T)(mm) 20
Retainer Type Punching
Load Direction Radial
Specifications/Environment Standard
Number of Raceway Ring Rows Single Track
Size Standards Metric Series
6921 Ball Bearings Dimensions


Deep Groove Ball Bearings 6921 – Technical Specifications/Dimensions


Open Ball Bearings


NTN 6921 OPEN PDF Link

Single Shielded Ball Bearings



Double Shielded Ball Bearings


NSK 6921ZZ Double Shielded PDF Link
NTN 6921ZZ Double Shielded PDF Link

Rubber Sealed Ball Bearings


NTN 6921LLU Rubber Sealed PDF Link


Other Ball Bearing Series



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