What is the equivalent of a 1318SF bearing?

The 1318SF is a 90×190×43mm self-aligning ball bearing with verified equivalents across multiple brands: NSK 6318ZZ, NTN 6318ZZ, SKF 6318-2Z, Timken 6318-ZZ. All equivalents share the same bore, outer diameter, width, and load ratings.

What are the dimensions of a 1318SF bearing?

The 1318SF bearing has a bore diameter of 90mm, outer diameter of 190mm, and width of 43mm. It has a dynamic load rating of 143 kN, static load rating of 100 kN, and weighs 3520g. Maximum speed with grease lubrication is 3,600 rpm.

Can I replace a FAG 1318SF with a NSK equivalent?

Yes. FAG and NSK bearings with the same ISO designation are dimensionally interchangeable. The 1318SF (90×190×43mm) can be replaced with the equivalent NSK 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.

1318SF

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.

FAG6318-2ZR

Pricing not yet available for this part.

Match Details

The specifications and details for why this match is correct.

Specifications

Bore diameter (d)	90 mm
Outer diameter (D)	190 mm
Width (B)	43 mm
Dynamic load rating (C)	143 kN
Static load rating (C₀)	100 kN
Weight	3520 g
Max speed (grease)	3,600 rpm
Max speed (oil)	—

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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
FAG	6318-2ZR	ZZ	CN	Probable
NSK	6318ZZ	ZZ	CN	Probable
NTN	6318ZZ	ZZ	CN	Probable
SKF	6318-2Z	ZZ	CN	Probable
Timken	6318-ZZ	ZZ	CN	Probable

Legacy & Proprietary Numbers

SKF6318NSK6318STEYR6318PEER6318ZWZ6318Fafnir318KMRC318-SFederal1318FFKOYO6318New Departure88218NTN6318RHP6318FBC6318FEDERAL1318FLT6318HOOVER7318MGM6318SNR6318ZKL6318SKF6318-2RSJEMNSK6318C3ESTEYR6318C4PEER6318-2RLDZWZ6318-2RSFafnir318KDMRC318-SFFFederal1318SFKOYO6318ZNew Departure88518NTN6318Z

Show all 58 cross-references

RHP6318ZSKF6318-2Z/C3NSK6318CMSTEYR6318M1/C3PEER6318-ZDZWZ6318M/C4Fafnir318KDDMRC318-SZZSKF6318-2ZJEMNSK6318MSTEYR6318ZPEER6318-ZZDZWZ6318-ZSKF6318/C3NSK6318ZSTEYR6318Z/C3SKF6318/C3VL0241SKF6318/C4SKF6318/C4VL0241SKF6318JEMSKF6318M/C3SKF6318M/C3VL0241SKF6318M/C4SKF6318M/C4VL0241SKF6318M/P64VL0241SKF6318-ZSKF6318-Z/C3SKF6318-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

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

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