What is the equivalent of a 1309F bearing?

The 1309F is a 45×100×25mm self-aligning ball bearing with verified equivalents across multiple brands: FAG 6309-2ZR, NSK 6309ZZ, NTN 6309ZZ, Timken 6309-ZZ. All equivalents share the same bore, outer diameter, width, and load ratings.

What are the dimensions of a 1309F bearing?

The 1309F bearing has a bore diameter of 45mm, outer diameter of 100mm, and width of 25mm. It has a dynamic load rating of 55.3 kN, static load rating of 31.5 kN, and weighs 817g. Maximum speed with grease lubrication is 9,500 rpm.

Can I replace a SKF 1309F with a FAG equivalent?

Yes. SKF and FAG bearings with the same ISO designation are dimensionally interchangeable. The 1309F (45×100×25mm) can be replaced with the equivalent FAG part number as long as the seal type (ZZ) and clearance class (CN) match. Always verify load ratings and speed limits for your specific application.

1309F

ZZCNDeep Groove Ball BearingSelf-Aligning Medium Series

Heavier self-aligning ball bearings with higher load capacity than 1200 series. For applications with significant misalignment and moderate radial loads.

SKF6309-2Z45 × 100 × 25mm

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Match Details

The specifications and details for why this match is correct.

Specifications

Bore diameter (d)	45 mm
Outer diameter (D)	100 mm
Width (B)	25 mm
Dynamic load rating (C)	55.3 kN
Static load rating (C₀)	31.5 kN
Weight	817 g
Max speed (grease)	9,500 rpm
Max speed (oil)	7,650 rpm

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Cross-References

Every way this part is identified across brands and catalogs.

Tier-1 Brand Equivalents

Brand	Part Number	Seal	Clearance	Status
SKF	6309-2Z	ZZ	CN	Probable
FAG	6309-2ZR	ZZ	CN	Probable
NSK	6309ZZ	ZZ	CN	Verified
NTN	6309ZZ	ZZ	CN	Probable
Timken	6309-ZZ	ZZ	CN	Probable

Legacy & Proprietary Numbers

SKF6309STEYR6309NSK6309PEER6309KOYO6309RHP6309SNR6309FLT6309NTN6309NWG6309FBC6309FEDERAL1309ZWZ6309MGM6309Fafnir309KMRC309-SZKL6309Federal1309FFHOOVER7309New Departure88209FAFNIR6309FIAT621653GAZ63-1802060NISSAN32203-61500STEY6317URB6309-2ZP6ELSKF6309-2RSSTEYR6309-2GNSK6309C3EPEER6309-2RLD

Show all 154 cross-references

KOYO63092RSRHP6309-2RSSNR6309EFLT6309.2RSNTN6309LLNWG6309.2RSFBC6309PFEDERAL1309CGZWZ6309-2RSMGM6309.2ZFafnir309KDMRC309-SFFZKL6309NFederal1309SFHOOVER7309GNew Departure88509SKF6309-2RS1STEYR6309-2RS1/C3NSK6309DDPEER6309-2RLD-C3KOYO6309DRHP6309.2RSSNR6309EEFLT6309NNTN6309LLUNWG6309.2ZFBC6309PPFEDERAL1309FZWZ6309NMGM6309NFafnir309KDDMRC309-SZZZKL6309ZSKF6309-2RS1/C3STEYR6309-2Z/C3NSK6309DDUPEER6309-C3KOYO6309DDRHP6309.2ZSNR6309NFLT6309NRNTN6309LUNWG6309NFBC6309PSRFEDERAL1309FFZWZ6309NRMGM6309ZSKF6309-2RS1/C3GJNSTEYR6309C3NSK6309DDUCMPEER6309-NRKOYO6309NRRHP6309NSNR6309NC3FLT6309RSNTN6309NRNWG6309RSFBC6309SRFEDERAL1309GFZWZ6309-ZNSKF6309-2RS1/C3HT51STEYR6309C4NSK6309DUPEER6309-RLDKOYO6309RSRHP6309NRSNR6309NJ30FLT6309ZNTN6309ZNWG6309ZSKF6309-2RS1/C3WTSTEYR6309GNSK6309DUCMPEER6309-RLD-C3KOYO6309ZRHP6309RSSNR6309NRFLT6309ZNRNTN6309ZNRNWG6309ZNSKF6309-2RSJEMSTEYR6309M1NSK6309MPEER6309-ZDKOYO6309ZNRRHP6309ZSNR6309ZSKF6309-2Z/C3STEYR6309NNSK6309NRPEER6309-ZD-C3SKF6309-2Z/C3GJNSTEYR6309NRNSK6309ZPEER6309-ZZDSKF6309-2Z/C3HTSTEYR6309NR/C3NSK6309ZNRPEER6309-ZZD-C3SKF6309-2Z/C3HT51STEYR6309RS1SKF6309-2ZJEMSTEYR6309ZSKF6309/C2SKF6309/C3SKF6309/C4SKF6309JEMSKF6309M4SKF6309M4A/C3SKF6309M/C3SKF6309NSKF6309NRSKF6309NR/C3SKF6309NRJEMSKF6309-RSSKF6309-RS1SKF6309-RS1/C3SKF6309-RSJEMSKF6309-ZSKF6309-Z/C3SKF6309-Z/C4SKF6309-Z/C5SKF6309-ZJEMSKF6309-ZNR

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

Metal Shielded (ZZ / 2Z)

Metal shields on both sides. Moderate protection from dust and debris. Pre-lubricated with grease.

Avoid forHarsh environments with heavy moisture, chemicals, or fine dust ingress.

Examples

Electric motors
Fans and blowers
Power tools
HVAC 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
1309 ETN9	Open (No Seal)	CN
1309 ETN9 C3	Open (No Seal)	C3

Related Bearings

Adjacent sizes and cross-series bearings from our catalog.