Deep Groove 6306 Ball Bearings 30mm X 72mm X 19mm

6306 Ball Bearings

Model Numbers: 6306, B6306Z, 6306Z, B6306ZZ, 6306ZZ, B6306DDU, 6306DDU, 6306LLU, 6306-2NSE, 6306H2RS

Brands Carried: MISUMI, NSK, NTN, Nachi-Fujikoshi, EZO

Bearing Sizing: ID 30mm X OD 72mm X W 19mm, 30 mm Ball Bearing

Bearing Seals: Open, Single Shielded, Double Shielded, Rubber Sealed

For more 6306 ball bearings and seal options — we have hundreds visit MISUMI.



Select Part Numbers to Buy 6306 Ball Bearings


Bearing Seals MISUMI NSK NTN Nachi-Fujikoshi EZO (SPB-USA)
Open Type 6306 6306 6306
Single Shielded B6306Z 6306Z 6306Z
Double Shielded B6306ZZ 6306ZZ 6306ZZ
Rubber Sealed B6306DDU 6306DDU 6306LLU 6306-2NSE 6306H2RS


Please select between the four options above:

Open Type:
Ball Bearings Open
6306 Ball Bearing
Single Shielded:
Ball Bearings Single Shielded
B6306Z Ball Bearing
6306Z Ball Bearing
Double Shielded:
Ball Bearings Double Shielded
B6306ZZ Ball Bearing
6306ZZ Ball Bearing
Rubber Sealed:
Ball Bearings Rubber Sealed
B6306DDU Ball Bearing
6306DDU Ball Bearing
6306LLU Ball Bearing
6306-2NSE Ball Bearing
6306H2RS Ball Bearing


Deep Groove Ball Bearings 6306 – 30X72X19mm Description

The 6306 is a 30 mm Ball Bearing that can be used in many rotary and factory automation applications. The 6306 Deep Groove Ball Bearings is an open style bearing. The 6306Z ball bearing is a single row raceway and single shielded. The 6306ZZ ball bearing has a single row raceway and it is shielded on each side. The B6306DDU, 6306DDU, 6306LLU, 6306-2NSE, 6306H2RS ball bearing are shielded by two rubber seals on each side. The 6306 30 mm Ball Bearing Inner Dimension 30mm X Outer Dimension 72mm X Width 19mm is an open style ball bearing designed for high rotational speeds and high dynamic loads.


6306 Ball Bearings 30X72X19mm Specifications & Dimensions


Universal 6306
Type Ball
Inner/Outer Ring Material Steel
Precision Grade 0
Inner Dimension d(Ø) 30
Outer Dimension D(Ø) 72
Width B (or T)(mm) 19
Retainer Type Punching
Load Direction Radial
Specifications/Environment Standard
Number of Raceway Ring Rows Single Track
Size Standards Metric Series
6306 Ball Bearings Dimensions


Deep Groove Ball Bearings 6306 – Technical Specifications/Dimensions


Open Ball Bearings


NSK 6306 OPEN PDF Link
NTN 6306 OPEN PDF Link
Nachi-Fujikoshi 6306 OPEN PDF Link

Single Shielded Ball Bearings


MISUMI B6306Z Single Shielded PDF Link
NSK 6306Z Single Shielded PDF Link
NTN 6306Z Single Shielded PDF Link


Double Shielded Ball Bearings


MISUMI B6306ZZ Double Shielded PDF Link
NSK 6306ZZ Double Shielded PDF Link
NTN 6306ZZ Double Shielded PDF Link

Rubber Sealed Ball Bearings


MISUMI B6306DDU Rubber Sealed PDF Link
NSK 6306DDU Rubber Sealed PDF Link
NTN 6306LLU Rubber Sealed PDF Link
Nachi-Fujikoshi 6306-2NSE Rubber Sealed PDF Link
EZO 6306H2RS Rubber Sealed PDF Link


Other Ball Bearing Series



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