What are the exact dimensions of this SKF ball bearing?

The bearing has an inside diameter of 20 mm, an outside diameter of 52 mm, and a width of 15 mm.

What does the C3 designation indicate?

C3 denotes a greater radial internal clearance than standard, accommodating thermal expansion and high rotational speeds.

Is this SKF 6304/C3 bearing sealed?

No, this is an open bearing without seals or shields, designed for lubrication inside a housing or via external lubrication.

What loads can this deep groove ball bearing handle?

This single-row deep groove ball bearing accommodates radial loads as well as axial loads in both directions.

What type of bore does this bearing have?

The bearing features a standard cylindrical bore of 20 mm for mounting on straight shafts.

SKF 6304/C3 single-row groove ball bearing cylindrical 20x52x15 mm

Supplier number: SKF 6304/C3 | EAN 7316571370491

Recommended Retail Price €17.52

8.60 tax incl.

€7.11 excl. VAT (incl. all environmental contributions)

On stock - immediately available | we have 2 products in stock.

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

↓ Documents (1) ✆ Talk to a specialist

Product information FAQ

€8.60

In stock - tax incl.

Key features according to our expert

Inner diameter: 20 mm
Width: 15 mm
Number of rows: 1
Sealing (bearing): Without seals
Material (bearing seal): Not applicable
Radial clearance: C3
Material (bearing): Steel
Material (cage): Brass (sheet)
Bore type: Cylindrical
High temperature: No
Outer diameter: 52 mm

Product description

Single row deep groove ball bearings 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.

Simple, versatile and robust design
Low friction
High-speed capability
Accommodate radial and axial loads in both directions
Require little maintenance

Documents

⤓ Technical data sheet PDF

All Features

Inner diameter: 20 mm
Width: 15 mm
Number of rows: 1
Sealing (bearing): Without seals
Material (bearing seal): Not applicable
Radial clearance: C3
Material (bearing): Steel
Material (cage): Brass (sheet)
Bore type: Cylindrical
High temperature: No
Outer diameter: 52 mm
Matched arrangement: No
Tolerance class: Class P6 (P6)
Radial internal clearance: C3
Basic static load rating: 7.8
Material, bearing: Bearing steel
Relubrication feature: Without
Reference speed: 30000
Skf performance class: SKF Explorer
Lubricant: None
Cage: Sheet metal
Locating feature, bearing outer ring: None
Filling slots: Without
Coating: Without
Sealing: Without
Limiting speed: 19000
Bore diameter: 20
Basic dynamic load rating: 16.8
Outer diameter: 52

Brand SKF
01010687
EAN 7316571370491
Supplier number SKF 6304/C3

Frequently asked questions about this product

Answered by specialists

What are the exact dimensions of this SKF ball bearing?: The bearing has an inside diameter of 20 mm, an outside diameter of 52 mm, and a width of 15 mm.
What does the C3 designation indicate?: C3 denotes a greater radial internal clearance than standard, accommodating thermal expansion and high rotational speeds.
Is this SKF 6304/C3 bearing sealed?: No, this is an open bearing without seals or shields, designed for lubrication inside a housing or via external lubrication.
What loads can this deep groove ball bearing handle?: This single-row deep groove ball bearing accommodates radial loads as well as axial loads in both directions.
What type of bore does this bearing have?: The bearing features a standard cylindrical bore of 20 mm for mounting on straight shafts.