What are the dimensions of this SKF ball bearing?

This ball bearing has an inside diameter of 30 mm, an outside diameter of 72 mm, and a width of 19 mm.

What does the 2Z designation mean?

The 2Z code indicates that the bearing is equipped with metal shields on both sides.

What does the C3 clearance mean for this bearing?

C3 indicates greater internal radial clearance than standard, which is ideal for high speeds or thermal expansion.

What bore type does this deep groove ball bearing have?

This bearing has a standard cylindrical bore.

Can this SKF bearing handle both radial and axial loads?

Yes, this single row deep groove ball bearing accommodates radial and axial loads in both directions.

SKF 6306-2Z/C3 single-row groove ball bearing cylindrical 30x72x19 mm

Supplier number: SKF 6306-2Z/C3 | EAN 7316570905151

Recommended Retail Price €34.09

16.80 tax incl.

€13.88 excl. VAT (incl. all environmental contributions)

On stock - immediately available

Ordered before 20:00 - delivered as of 13/10/2026
Shipping costs €11.99 VAT included | Free shipping for orders over a total amount of 125 euros
Delivery by DHL
Delivered from Belgium

↓ Documents (1) ✆ Talk to a specialist

Smooth operation with Skf bearings

Practical benefits

Effective shielding against contamination: The dual metal shields reliably retain lubricant while keeping dirt and debris out of your rotating components.
High-speed thermal expansion tolerance: Designed with C3 internal clearance, it accommodates thermal expansion so you achieve consistent performance under high operating speeds.
Dual direction load support: This deep groove ball bearing handles radial and axial loads in both directions to ensure stable machinery performance.

In a nutshell

The right choise for

With the Skf 6306-2Z/C3 single row deep groove ball bearing, you ensure smooth and reliable rotation for shafts in electric motors, industrial pumps, and gearboxes. Featuring a 30 mm cylindrical bore, a 72 mm outside diameter, and a 19 mm width, this precision bearing accommodates both radial and axial loads in either direction. The C3 internal clearance easily compensates for thermal expansion under high operating speeds and continuous duty, preventing premature seizure. Fitted with dual metal shields, it reliably retains factory lubricant while keeping out dust and debris for dependable long-term performance.

Product information FAQ

€16.80

In stock - tax incl.

Key features according to our expert

Inner diameter: 30 mm
Width: 19 mm
Number of rows: 1
Sealing (bearing): Sealed on both sides
Material (bearing seal): Metal
Radial clearance: C3
Material (bearing): Steel
Material (cage): Brass (sheet)
Bore type: Cylindrical
High temperature: No
Outer diameter: 72 mm

Product description

Single row deep groove ball bearings with seals or shields are particularly versatile, have low friction and are optimized for low noise and low vibration, which enables high rotational speeds. They accommodate radial and axial loads in both directions, are easy to mount, and require less maintenance than many other bearing types. The integral sealing can significantly prolong bearing service life because it keeps lubricant in the bearings and contaminants out.

Integral sealing prolongs bearing service life
Simple, versatile and robust design
Low friction and high-speed capability
Accommodate radial and axial loads in both directions
Require little maintenance

Documents

⤓ Technical data sheet PDF

All Features

Inner diameter: 30 mm
Width: 19 mm
Number of rows: 1
Sealing (bearing): Sealed on both sides
Material (bearing seal): Metal
Radial clearance: C3
Material (bearing): Steel
Material (cage): Brass (sheet)
Bore type: Cylindrical
High temperature: No
Outer diameter: 72 mm
Relubrication feature: Without
Radial internal clearance: C3
Basic static load rating: 16
Matched arrangement: No
Material, bearing: Bearing steel
Reference speed: 20000
Skf performance class: SKF Explorer
Lubricant: Grease
Sealing type: Non-contact
Cage: Sheet metal
Filling slots: Without
Tolerance class: Class P6 (P6)
Basic dynamic load rating: 29.6
Locating feature, bearing outer ring: None
Sealing: Shield on both sides
Limiting speed: 11000
Bore diameter: 30
Coating: Without
Outer diameter: 72

Brand SKF
01010943
EAN 7316570905151
Supplier number SKF 6306-2Z/C3

Frequently asked questions about this product

Answered by specialists

What are the dimensions of this SKF ball bearing?: This ball bearing has an inside diameter of 30 mm, an outside diameter of 72 mm, and a width of 19 mm.
What does the 2Z designation mean?: The 2Z code indicates that the bearing is equipped with metal shields on both sides.
What does the C3 clearance mean for this bearing?: C3 indicates greater internal radial clearance than standard, which is ideal for high speeds or thermal expansion.
What bore type does this deep groove ball bearing have?: This bearing has a standard cylindrical bore.
Can this SKF bearing handle both radial and axial loads?: Yes, this single row deep groove ball bearing accommodates radial and axial loads in both directions.