What is the equivalent of a 6301-2RSR bearing?

The 6301-2RSR is a 12×37×12mm deep groove ball bearing with verified equivalents across multiple brands: SKF 6301-2RS1, NSK 6301DDU, NTN 6301LLU, Timken 6301-2RS. All equivalents share the same bore, outer diameter, width, and load ratings.

What are the dimensions of a 6301-2RSR bearing?

The 6301-2RSR 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 FAG 6301-2RSR with a SKF equivalent?

Yes. FAG and SKF bearings with the same ISO designation are dimensionally interchangeable. The 6301-2RSR (12×37×12mm) can be replaced with the equivalent SKF part number as long as the seal type (2RS) and clearance class (CN) match. Always verify load ratings and speed limits for your specific application.

6301-2RSR

2RSCNDeep 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

Rubber sealed → 2RS1 / 2RSR / DDU / LLU

Cr 10.1 kN / C₀r 4.15 kN

28,000 rpm (grease)

FAG6301-2RSR12 × 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

→ What does 2RS mean on a bearing?→ How to read a bearing part number

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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
FAG	6301-2RSR	2RS	CN	Current
SKF	6301-2RS1	2RS	CN	Verified
NSK	6301DDU	2RS	CN	Verified
NTN	6301LLU	2RS	CN	Verified
Timken	6301-2RS	2RS	CN	Probable

Legacy & Proprietary Numbers

SKF6301-2RS1/C3KOYO63012RSPEER6301-2RLDFafnir301KFLT6301.2RSMRC301-SNSK6301DDNTN6301LUSNR6301EFBC6301PFederal1301FFFEDERAL1301GMN6301RSMGM6301.2ZNew Departure88201RHP6301RSSTEYR6301C3HOOVER7301JAWA6000306301SKF6301-2RS1/QE6KOYO6301DPEER6301-2RLD-C3Fafnir301KDFLT6301RSMRC301-SFFNSK6301DUNTN6301LUC3/3ASNR6301EEFBC6301PPFederal1301SF

Show all 65 cross-references

FEDERAL1301FGMN6301ZMGM6301ZNew Departure88501RHP6301ZSTEYR6301ZSKF6301-2RSHKOYO6301DDPEER6301-C3Fafnir301KDDFLT6301ZMRC301-SZZNSK6301ZNTN6301ZSNR6301ZSKF6301-2RSH/C3KOYO6301RSPEER6301-ZZDSKF6301-2RSJEMKOYO6301ZPEER6301-ZZD-C3SKF6301-2Z/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

Rubber Sealed (2RS)

Rubber contact seals on both sides. Superior protection from contaminants. Pre-lubricated, maintenance-free.

Avoid forVery high-speed applications (seal friction limits top speed). Environments exceeding 110°C.

Examples

Agricultural machinery
Conveyor rollers
Automotive components
Outdoor equipment
Washing machines

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	Open (No Seal)	CN
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.