SKF 6305-2LS/C4/362249AB 25x62x17 - Deep Groove Ball Bearing

6305-2LS/C4/362249AB SKF 25x62x17 mm - Single Row Deep Groove Ball Bearing

SKF 6305-2LS/C4/362249AB is a single row deep groove ball bearing with dimensions of 25x62x17 mm, belonging to the SKF 6305 series. The bearing features contact seals on both sides, identified by the 2LS designation, and C4 radial internal clearance, which is greater than C3. The additional designation 362249AB identifies a special SKF execution whose specific characteristics require manufacturer confirmation. The bearing supports radial loads and axial loads in both directions.

Technical Specifications - SKF 6305-2LS/C4/362249AB

Dynamic load rating C, static load rating C0, fatigue load limit Pu, limiting speed, mass and other execution-specific parameters have not been transferred from a standard 6305 bearing.

These values must be verified for the exact SKF 6305-2LS/C4/362249AB execution.

What Does 6305-2LS/C4/362249AB Mean?

The complete SKF designation identifies the bearing's basic design, sealing arrangement, internal clearance and special execution.

Each part of the designation is technically relevant when selecting a replacement bearing.

6305 - Bearing Series and Basic Design

The designation 6305 identifies a single row deep groove ball bearing with dimensions of 25x62x17 mm.

The number 63 identifies the dimensional series, while the bore code 05 corresponds to a nominal bore diameter of 25 mm.

The bearing contains one row of balls operating between the raceways of the inner and outer rings.

2LS - Contact Seals on Both Sides

The designation 2LS indicates LS-type contact seals fitted on both sides of the bearing.

These seals help prevent contaminants from entering the bearing and retain lubricant within the bearing assembly.

Contact seals generally produce additional friction compared with open bearings or certain non-contact sealing arrangements.

The exact seal geometry and elastomer material should be confirmed from the manufacturer's documentation for this specific execution.

The 2LS designation should not automatically be considered equivalent to SKF 2Z, 2RSH or 2RS1.

C4 - Increased Radial Internal Clearance

The suffix C4 specifies a radial internal clearance greater than C3.

Common radial internal clearance groups, arranged from smaller to larger clearance, include:

• C2 - Clearance smaller than normal.

• CN - Normal internal clearance.

• C3 - Clearance greater than normal.

• C4 - Clearance greater than C3.

• C5 - Clearance greater than C4.

C4 clearance may be required where bearing fits, thermal expansion or operating conditions significantly reduce the initial internal clearance.

A larger clearance does not automatically provide higher load capacity, longer service life or better operating performance.

The correct clearance group must be selected according to the required operating clearance after installation.

362249AB - Special SKF Execution

The designation 362249AB identifies an additional execution-specific characteristic or configuration.

It is not a standard SKF designation for radial clearance, seal type or accuracy class.

Without manufacturer documentation specifically identifying the meaning of 362249AB, its exact technical significance cannot be reliably established.

It should therefore be retained in the complete bearing designation when ordering or evaluating replacement options.

Bearing Construction and Operating Principle

Inner and Outer Rings

The bearing consists of an inner ring with a nominal bore diameter of 25 mm and an outer ring with a nominal outside diameter of 62 mm.

Both rings incorporate raceways designed to accommodate the rolling elements.

The overall bearing width is 17 mm.

Single Row of Balls

The rolling elements are arranged in one row between the inner and outer ring raceways.

The deep groove raceway geometry enables the bearing to support radial loads and axial loads acting in either direction.

Permissible axial loading depends on the specific bearing design, operating clearance, speed, lubrication and working conditions.

LS Contact Seals

Contact seals are fitted on both sides of SKF 6305-2LS/C4/362249AB.

Their function is to reduce the entry of contaminants and help retain lubricant.

The sealing arrangement is particularly important when evaluating environmental exposure, friction, rotational speed and lubrication requirements.

The exact performance of the LS seals should not be assumed to match other SKF sealing designs.

C4 Radial Internal Clearance

C4 clearance is a significant characteristic of this bearing.

The initial radial internal clearance may decrease after installation because of interference fits and temperature differences between the inner and outer rings.

It is important to distinguish between the bearing's initial internal clearance and its actual operating clearance.

The C4 designation alone does not establish the final operating clearance.

SKF 6305-2LS/C4/362249AB vs Other 6305 Bearing Variants

Bearings belonging to the 6305 dimensional family can share the same basic dimensions while differing in sealing arrangements, internal clearance and special execution requirements.

These designations are not automatically interchangeable.

The exact sealing arrangement, internal clearance and additional execution requirements must be considered.

SKF 6305-2LS/C4/362249AB vs SKF 6305-2RS1/C4

Both designations belong to the 6305 bearing family and specify C4 radial internal clearance.

However, the sealing designations differ.

SKF 6305-2LS/C4/362249AB also includes the additional execution identifier 362249AB.

Consequently, full interchangeability cannot be established solely from the dimensions and clearance group.

SKF 6305/C3 vs SKF 6305/C4

C3 and C4 identify different radial internal clearance groups.

C4 provides greater initial radial internal clearance than C3.

Substituting one clearance group for another may change the operating clearance, running behaviour, vibration and service life.

The required clearance must be determined from the application design.

Alternative Designations and Reference Numbers

Natural written variations of the same product designation include:

• SKF 6305-2LS/C4/362249AB

• 6305-2LS/C4/362249AB SKF

• SKF6305-2LS/C4/362249AB

• 6305 2LS C4 362249AB SKF

These variations are intended for product identification and do not represent different bearing executions.

The complete original SKF designation should be used when ordering.

No unverified OEM numbers or cross-reference equivalents are assigned to this product.

Bearing Selection and Interchangeability

Before ordering SKF 6305-2LS/C4/362249AB, verify the following technical requirements.

Complete Bearing Designation

Confirm that the required bearing is specifically identified as 6305-2LS/C4/362249AB.

The additional 362249AB designation must not be omitted without confirmation of interchangeability.

Shaft and Housing Dimensions

Verify the installation dimensions:

• Shaft diameter: 25 mm.

• Housing bore diameter: 62 mm.

• Available installation width: 17 mm.

The nominal dimensions alone do not establish the correct shaft and housing fits.

Sealing Arrangement

Confirm that the application requires LS-type contact seals on both sides.

Different sealing systems may have different friction, contamination resistance and operating speed characteristics.

Radial Internal Clearance

Check whether C4 clearance is required.

Bearing fits and operating temperatures can change the internal clearance after installation.

Load Conditions

Determine the radial and axial loads acting on the bearing.

The load ratings applicable to the exact SKF execution should be used for service life calculations.

Rotational Speed

Check the required operating speed against the manufacturer's limits for this execution.

Do not assume that speed ratings for open or differently sealed 6305 bearings apply.

Temperature and Lubrication

Verify the operating temperature, lubrication requirements and compatibility of the sealing materials with the application environment.

Special Execution

Confirm whether the original equipment requires the specific characteristics associated with 362249AB.

Bearings with identical dimensions are not necessarily functionally interchangeable.

Applications of SKF 6305-2LS/C4/362249AB

Catalogue-Referenced Automotive Application

The designation SKF 6305-2LS/C4/362249AB has been associated with a Volvo B58 application in an SKF automotive application catalogue, in a position relating to the engine crankshaft end.

This reference should not be interpreted as confirmation that the bearing fits every Volvo B58 engine or vehicle configuration.

Compatibility must be checked against the documentation for the specific vehicle, engine or mechanical assembly.

Applications Based on Bearing Construction

Single row deep groove ball bearings are widely used to support rotating shafts and accommodate radial loads together with axial loads in both directions.

A bearing with contact seals and C4 clearance may be considered for assemblies requiring these characteristics.

However, the designation alone does not establish suitability for a particular motor, pump, gearbox or industrial machine.

The special execution must be considered before specifying the bearing for another application.

Installation and Operating Recommendations

Cleanliness During Installation

Clean the shaft, housing and mating surfaces before installation.

Protect the bearing seals from mechanical damage and contamination.

Correct Fits

Select shaft and housing fits according to the direction of loading, operating conditions and equipment design.

Excessive interference can reduce the bearing's radial internal clearance.

Applying Mounting Force

When mounting the bearing onto a shaft, apply the installation force to the inner ring.

When pressing the bearing into a housing, apply the force to the outer ring.

Mounting forces must not be transmitted through the balls and raceways.

Operating Clearance

Verify that the bearing retains the required operating clearance after installation and thermal stabilisation.

Seals and Lubrication

Do not remove the LS seals unless specifically instructed by the manufacturer.

Lubricant type, quantity and any relubrication requirements must be established from the documentation for the exact bearing execution.

Storage

Store the bearing in its original packaging in a clean, dry environment.

Protect it from moisture, dust, corrosion and unnecessary handling before installation.

Frequently Asked Questions - SKF 6305-2LS/C4/362249AB

What are the dimensions of SKF 6305-2LS/C4/362249AB?

The bearing has a 25 mm bore diameter, 62 mm outside diameter and 17 mm width. Its dimensions are 25x62x17 mm.

What type of bearing is SKF 6305-2LS/C4/362249AB?

It is a single row deep groove ball bearing manufactured by SKF, with contact seals on both sides and C4 radial internal clearance.

What does 2LS mean in the SKF designation?

2LS identifies LS-type contact seals fitted on both sides of the bearing. These seals help retain lubricant and reduce contamination entering the bearing.

What does C4 mean?

C4 identifies a radial internal clearance group greater than C3. It is selected according to the required operating clearance, bearing fits and thermal conditions.

What does 362249AB mean?

362249AB is an additional SKF special execution identifier. Its exact technical meaning requires confirmation from manufacturer documentation.

Can SKF 6305-2LS/C4/362249AB be replaced with SKF 6305-2RS1/C4?

Not automatically. Although both belong to the 6305 dimensional family and specify C4 clearance, their sealing designations differ. The additional 362249AB execution identifier must also be considered.

Can this bearing support axial loads?

Yes. The single row deep groove ball bearing design supports axial loads in both directions, within the permissible limits of the specific bearing and operating conditions.

Is SKF 6305-2LS/C4/362249AB suitable for Volvo B58?

The designation has been referenced in an SKF automotive application catalogue for a Volvo B58 crankshaft-end application. Compatibility with a particular vehicle or engine must be verified using the relevant equipment documentation.

SKF 6305-2LS/C4/362249AB - Key Technical Information

SKF 6305-2LS/C4/362249AB is a single row deep groove ball bearing measuring 25x62x17 mm. The 2LS designation identifies contact seals on both sides, while C4 specifies radial internal clearance greater than C3. The additional code 362249AB identifies a special SKF execution requiring manufacturer confirmation. The bearing supports radial and bidirectional axial loads.

SKF Bearings at simmering.pl

Simmering.pl supplies SKF bearings and industrial bearing solutions for maintenance departments, engineering teams, machinery repair specialists and B2B procurement customers.

When identifying SKF 6305-2LS/C4/362249AB, the complete designation is essential because the sealing arrangement, C4 clearance and special execution may affect interchangeability.

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