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Technical Data Sheet
PartsTable / COMPONENT / R12FFST
R12FFST ✓ Verified by PartsTable
— · TAPERED BEARING
WHAT YOU NEED TO KNOW
Cup and cone sold separately — confirm both needed Timken series numbers indicate dimensions
Cup and cone NOT sold as set — verify order
PRODUCT OVERVIEW

The BEARING,BALL,ANNULAR is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, bore_shape: STRAIGHT, bore_diameter: 0.7500 INCHES NOMINAL IN, overall_width: 0.4375 INCHES NOMINAL IN, load_direction: RADIAL, surface_finish: GROUND. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-980-4974, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
R12FFST
NSN: 3110-00-980-4974
FSC: 3110
CAGE: 38443 — SKF USA INC. (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
bore_shapeSTRAIGHT
bore_diameter0.7500 INCHES NOMINAL IN
overall_width0.4375 INCHES NOMINAL IN
load_directionRADIAL
surface_finishGROUND
shield_quantity2
special_featuresFILL 75 PCT WITH SPECIFIED LUBRICANT
style_designatorNON-LOADING GROOVE, NON-SEPARABLE
lubrication_materialGREASE
overall_outside_diameter1.6250 INCHES NOMINAL IN
internal_fit-up_designationLOOSE
NSN3110-00-980-4974
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: R12FFST · OEM ⚠ VERIFY BEFORE ORDERING Cup and cone sold separately — verify you are ordering BOTH parts or the correct component. Always replace cup and cone together — mismatched wear = premature failure ✓ BROKER TIP Taper angle determines axial load capacity. Steeper angle = higher axial load rating. Timken series numbers indicate dimensions — cross-reference carefully PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
MATERIAL: STEEL CORROSION RESISTING SHIELD
•
LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATION: ALVANIA 3,FSCM 54527 MFR REF SINGLE MATERIAL RESPONSE
•
BORE SHAPE: STRAIGHT
•
RETAINER FABRICATION METHOD: PRESSED
•
SHIELD QUANTITY: 2
•
LOAD DIRECTION: RADIAL
•
SURFACE FINISH: GROUND
•
STANDARD TOLERANCE DESIGNATION: ABEC NO.1
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL CORROSION RESISTING SHIELD
LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATIONALVANIA 3,FSCM 54527 MFR REF SINGLE MATERIAL RESPONSE
BORE SHAPESTRAIGHT
RETAINER FABRICATION METHODPRESSED
SHIELD QUANTITY2
LOAD DIRECTIONRADIAL
SURFACE FINISHGROUND
STANDARD TOLERANCE DESIGNATIONABEC NO.1
SPECIAL FEATURESFILL 75 PCT WITH SPECIFIED LUBRICANT
INTERNAL FIT-UP DESIGNATIONLOOSE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 22
5660Interchangeable
interchangeable cross-reference
interchangeable
1603079Interchangeable
interchangeable cross-reference
interchangeable
WAED40043Interchangeable
interchangeable cross-reference
interchangeable
2547Interchangeable
interchangeable cross-reference
interchangeable
7W2AInterchangeable
interchangeable cross-reference
interchangeable
AA-C-571Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is R12FFST?
R12FFST is a BEARING,BALL,ANNULAR.
What parts can replace R12FFST?
There are 22 known substitutes for R12FFST: 5660, 1603079, WAED40043 and 19 more. Substitute compatibility should be verified for your specific system.
What is the NSN for R12FFST?
R12FFST is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-980-4974. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026