What is the equivalent of a 6301 bearing?

The 6301 is a 12×37×12mm deep groove ball bearing with verified equivalents across multiple brands: FAG 6301, NSK 6301, NTN 6301, Timken 6301. All equivalents share the same bore, outer diameter, width, and load ratings.

What are the dimensions of a 6301 bearing?

The 6301 bearing has a bore diameter of 12mm, outer diameter of 37mm, and width of 12mm. It has a dynamic load rating of 10.1 kN, static load rating of 4.15 kN, and weighs 57.4g. Maximum speed with grease lubrication is 28,000 rpm.

Can I replace a SKF 6301 with a FAG equivalent?

Yes. SKF and FAG bearings with the same ISO designation are dimensionally interchangeable. The 6301 (12×37×12mm) can be replaced with the equivalent FAG part number as long as the seal type (open) and clearance class (CN) match. Always verify load ratings and speed limits for your specific application.

6301

OpenCNDeep Groove Ball BearingVerified matchMedium Series

Higher load capacity than the 6200 series for the same bore size. Used where heavier radial loads are expected.

12 × 37 × 12mm

Open (no seal)

Cr 10.1 kN / C₀r 4.15 kN

28,000 rpm (grease)

SKF630112 × 37 × 12mm

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Match Details

The specifications and details for why this match is correct.

Specifications

Bore diameter (d)	12 mm
Outer diameter (D)	37 mm
Width (B)	12 mm
Dynamic load rating (C)	10.1 kN
Static load rating (C₀)	4.15 kN
Weight	57.4 g
Max speed (grease)	28,000 rpm
Max speed (oil)	45,000 rpm

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Why This Match Is Correct

✓Exact dimensional match (bore, OD, width)

✓Load ratings within tolerance

✓Seal type verified via manufacturer tables

✓Speed rating compatible

Cross-References

Every way this part is identified across brands and catalogs.

Tier-1 Brand Equivalents

Brand	Part Number	Seal	Clearance	Status
SKF	6301	Open	CN	Current
FAG	6301	Open	CN	Current
NSK	6301	Open	CN	Current
NTN	6301	Open	CN	Current
Timken	6301	Open	CN	Current

Legacy & Proprietary Numbers

SKF6301-2RSKOYO63012RSPEER6301-2RLDNSK6301DDNTN6301LLUFafnir301KFLT6301.2RSGMN6301-2RSMRC301-SRHP6301-2RSSNR6301EFBC6301PFederal1301FFFEDERAL1301MGM6301.2ZNew Departure88201STEYR6301C3HOOVER7301JAWA6000306301SKF6301-2RS1/C3KOYO6301DPEER6301-2RLD-C3NSK6301DDUNTN6301LUFafnir301KDFLT6301RSGMN6301RSMRC301-SFFRHP6301RSSNR6301EE

Show all 70 cross-references

FBC6301PPFederal1301SFFEDERAL1301FMGM6301ZNew Departure88501STEYR6301ZSKF6301-2RS1/QE6KOYO6301DDPEER6301-C3NSK6301DUNTN6301LUC3/3AFafnir301KDDFLT6301ZGMN6301ZMRC301-SZZRHP6301ZSNR6301ZSKF6301-2RSHKOYO6301RSPEER6301-ZZDNSK6301ZNTN6301ZSKF6301-2RSH/C3KOYO6301ZPEER6301-ZZD-C3SKF6301-2RSJEMSKF6301-2Z/C3SKF6301-2Z/C3QE6SKF6301-2ZJEMSKF6301/C3SKF6301/C3QE6SKF6301JEMSKF6301/QE6SKF6301-RS1SKF6301-RSHSKF6301-RSJEMSKF6301Y/C3SKF6301-ZSKF6301-Z/C3SKF6301-ZJEM

Technical Details & Applications

Specification variations and common equipment types.

Internal Clearance

Normal Clearance (CN)

Standard radial internal clearance. Suitable for most applications under normal operating conditions.

TemperatureUp to ~70°C operating temperature

Seal Type

Open (No Seal)

No seals or shields. Allows external lubrication and cooling. Lowest friction, highest speed capability.

Avoid forDirty, dusty, or wet environments. Applications without planned lubrication maintenance.

Examples

Machine tool spindles
Gearboxes with oil bath lubrication
High-speed precision equipment

Where This Bearing Is Used

Electric motorsPumps and compressorsConveyor rollersAgricultural machineryFans and blowersGearboxesPower transmission equipmentWashing machinesPrinting pressesHVACAutomotive alternators and A/C compressors

Alternative Parts

Options if this exact part isn't what you need.

Same Geometry, Different Configuration

SKF Part Number	Seal Type	Clearance
6301 C3	Open (No Seal)	C3
6301-2Z	ZZ	CN
6301-2Z C3	ZZ	C3
6301-2RS1	2RS	CN
6301-2RS1 C3	2RS	C3

Related Bearings

Adjacent sizes and cross-series bearings from our catalog.