SKF 608-2RSH/C3 8x22x7 - Deep Groove Ball Bearing 608 2RS C3

SKF 608-2RSH/C3 8x22x7 mm is a single-row deep groove ball bearing with contact seals on both sides and C3 internal clearance. The bearing has an 8 mm bore diameter, 22 mm outside diameter and 7 mm width.

This version is commonly searched for as SKF 608 2RS C3, 608 2RS C3 SKF or 608 C3 8x22x7 bearing. The important feature distinguishing it from the standard-clearance version is C3 radial internal clearance, which is greater than Normal.

The sealed 2RSH design helps protect the bearing interior and retain lubricant, while the C3 clearance makes this version suitable for applications where operating conditions require greater initial internal clearance.

Technical Specification - SKF 608-2RSH/C3

Manufacturer: SKF
Designation: 608-2RSH/C3
Bearing Type: Deep groove ball bearing
Design: Single row
Dimensions: 8x22x7 mm
Bore Diameter d: 8 mm
Outside Diameter D: 22 mm
Width B: 7 mm
Sealing: Both sides
Seal Type: Contact seals
Internal Clearance: C3 - greater than Normal
Bore: Cylindrical
Rolling Elements: Balls
Bearing Material: Bearing steel
Cage: Steel
Lubrication: Grease
Basic Dynamic Load Rating C: 3.45 kN
Basic Static Load Rating C0: 1.37 kN
Limiting Speed: 22,000 r/min
Weight: approx. 0.011-0.012 kg

SKF 608 C3 Bearing Dimensions

The principal dimensions of the SKF 608-2RSH/C3 are:

d = 8 mm - bore diameter
D = 22 mm - outside diameter
B = 7 mm - bearing width

The designation 608 identifies this widely used 8x22x7 mm deep groove ball bearing size.

Dimensions alone, however, should not be used to determine complete interchangeability. The sealing arrangement, internal clearance and operating requirements should also be checked.

What Does C3 Mean on an SKF 608 Bearing?

The suffix C3 indicates that the bearing has radial internal clearance greater than Normal.

This is one of the most important characteristics of the SKF 608-2RSH/C3 and distinguishes it from the standard 608-2RSH version.

Greater initial internal clearance can be required when operating clearance is expected to decrease due to factors such as:

• elevated operating temperatures
• temperature differences between bearing rings
• interference fits
• thermal expansion
• specific machine operating conditions

C3 does not mean higher bearing quality. It identifies a specific internal clearance class. The correct clearance should always be selected according to the requirements of the application.

What Does 2RSH Mean?

The designation 2RSH identifies contact seals on both sides of the bearing.

These seals help protect the internal components against external contamination while retaining lubricant inside the bearing.

The complete designation can therefore be interpreted as:

608 - deep groove ball bearing, 8x22x7 mm
2RSH - contact seals on both sides
C3 - radial internal clearance greater than Normal

This makes the full SKF designation particularly important when selecting a replacement bearing.

SKF 608 2RS C3 vs SKF 608-2RSH/C3

SKF 608 2RS C3 is a commonly used commercial and search term for a 608 bearing with seals on both sides and C3 clearance.

For precise product identification, the SKF designation for this version is:

SKF 608-2RSH/C3

Search terms such as 608 2RS C3, SKF 608 2RS C3 and 608 2RS C3 8x22x7 can therefore refer to this type of sealed bearing, but the manufacturer's complete designation should be checked before purchase.

SKF 608-2RSH/C3 vs SKF 608-2RSH

Both versions share the same principal dimensions:

8x22x7 mm

Both are also equipped with 2RSH contact seals on both sides.

The key difference is the internal clearance:

SKF 608-2RSH - Normal internal clearance

SKF 608-2RSH/C3 - internal clearance greater than Normal

The C3 version should not automatically be considered a better replacement. The required clearance depends on bearing fits, temperature, speed, load and the design of the complete bearing arrangement.

SKF 608 Deep Groove Ball Bearing Design

SKF 608-2RSH/C3 is a single-row deep groove ball bearing.

Deep raceway grooves allow this bearing type to accommodate primarily radial loads, while its geometry also enables it to carry appropriate axial loads in both directions.

Deep groove ball bearings are widely used because they combine:

• compact construction
• relatively low friction
• suitability for high rotational speeds
• radial load capability
• axial load capability in both directions
• broad application versatility

Applications of SKF 608-2RSH/C3

The SKF 608-2RSH/C3 8x22x7 mm bearing can be considered for appropriately designed:

• electric motors
• small drive systems
• rollers and guide rollers
• power tools
• fans
• industrial automation
• technical equipment
• industrial machinery
• compact rotating mechanisms

The C3 clearance should be specifically verified when selecting the bearing for a particular machine.

SKF 608-2RSH/C3 Load Ratings

The bearing has the following basic load ratings:

Basic Dynamic Load Rating C: 3.45 kN

Basic Static Load Rating C0: 1.37 kN

The dynamic load rating is used in bearing life calculations for rotating applications, while the static load rating relates to bearing performance under static or very slowly rotating load conditions.

Actual bearing life depends on factors including load, speed, lubrication, contamination, alignment and installation conditions.

SKF 608-2RSH/C3 Speed

The specified limiting speed is 22,000 r/min.

This value should not be interpreted as the recommended operating speed for every application. Actual permissible speed depends on operating load, temperature, bearing fits, lubrication and the complete bearing arrangement.

Sealed and Factory-Lubricated Design

SKF 608-2RSH/C3 is supplied with seals on both sides and grease lubrication.

The sealed construction helps:

• retain lubricant
• reduce contamination ingress
• protect rolling elements and raceways
• reduce routine maintenance requirements

This makes sealed 608 bearings practical for many compact machines and mechanisms where regular relubrication would be inconvenient.

How to Select a 608 C3 Bearing

Before replacing an existing bearing, verify:

Designation: 608-2RSH/C3
Dimensions: 8x22x7 mm
Bore Diameter: 8 mm
Outside Diameter: 22 mm
Width: 7 mm
Sealing: 2RSH
Internal Clearance: C3
Load: appropriate for the application
Speed: suitable for operating conditions
Fits: compatible with the shaft and housing
Temperature: suitable for the bearing arrangement

A standard 608-2RSH and a 608-2RSH/C3 have identical principal dimensions but different internal clearance characteristics.

Operational Advantages

• Original SKF bearing.
• Standard 8x22x7 mm dimensions.
• Increased C3 internal clearance.
• Contact seals on both sides.
• Factory grease lubrication.
• Dynamic load rating of 3.45 kN.

SKF 608-2RSH/C3 for Industry and MRO

The SKF 608-2RSH/C3 can be used for both original equipment and replacement requirements in appropriately designed applications.

Typical users include:

• industrial maintenance departments
• MRO organizations
• manufacturing plants
• machine manufacturers
• technical service companies
• repair workshops
• industrial distributors
• B2B customers

Its combination of compact 608 dimensions, sealed construction and C3 clearance makes it a specific variant for applications requiring these operating characteristics.

FAQ - SKF 608-2RSH/C3 8x22x7

What are the dimensions of SKF 608-2RSH/C3?
The bearing dimensions are 8x22x7 mm: 8 mm bore, 22 mm outside diameter and 7 mm width.

What does C3 mean on an SKF bearing?
C3 means the bearing has radial internal clearance greater than Normal.

Is a C3 bearing better than a standard bearing?
No. C3 represents a different internal clearance class, not a higher quality grade. It should be selected when required by the operating conditions.

What does 2RSH mean?
2RSH identifies contact seals fitted on both sides of the bearing.

Is SKF 608 2RS C3 the same as SKF 608-2RSH/C3?
"608 2RS C3" is commonly used as a commercial search term. The precise SKF designation for this product is 608-2RSH/C3.

What is the difference between SKF 608-2RSH and 608-2RSH/C3?
The principal difference is internal clearance. The standard version has Normal clearance, while the /C3 version has clearance greater than Normal.

What is the dynamic load rating of SKF 608-2RSH/C3?
The basic dynamic load rating is 3.45 kN.

What is the static load rating?
The basic static load rating is 1.37 kN.

What is the limiting speed of SKF 608-2RSH/C3?
The specified limiting speed is 22,000 r/min.

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