PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 1205FF-1F1
1205FF-1F1 ✓ 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 COMP E52100 OVERALL, bore_shape: STRAIGHT, bore_diameter: 0.9843 INCHES NOMINAL IN, overall_width: 0.5906 INCHES NOMINAL IN, load_direction: ANGULAR, 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 3110-01-139-3313, 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
1205FF-1F1
NSN: 3110-01-139-3313
FSC: 3110
CAGE: 21760 — SCHATZ BEARING CORPORATION DBA SCHATZ BEARING CORP (USA)
SPECIFICATIONS
materialSTEEL COMP E52100 OVERALL
bore_shapeSTRAIGHT
bore_diameter0.9843 INCHES NOMINAL IN
overall_width0.5906 INCHES NOMINAL IN
load_directionANGULAR
surface_finishGROUND
style_designatorNON-SEPARABLE
overall_outside_diameter2.0472 INCHES NOMINAL IN
material_document_and_classificationAISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN3110-01-139-3313
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 1205FF-1F1 · 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
•
STYLE DESIGNATOR: NON-SEPARABLE
•
MATERIAL: STEEL COMP E52100 OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: AISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
OVERALL OUTSIDE DIAMETER: 2.0472 INCHES NOMINAL IN
•
SURFACE FINISH: GROUND
•
LOAD DIRECTION: ANGULAR
•
BORE SHAPE: STRAIGHT
TECHNICAL CHARACTERISTICS (FLIS)
STYLE DESIGNATORNON-SEPARABLE
MATERIALSTEEL COMP E52100 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONAISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL
OVERALL OUTSIDE DIAMETER2.0472 INCHES NOMINAL IN
SURFACE FINISHGROUND
OVERALL WIDTH0.5906 INCHES NOMINAL IN
LOAD DIRECTIONANGULAR
BORE SHAPESTRAIGHT
BORE DIAMETER0.9843 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
77505X1MILG3278AInterchangeable
interchangeable cross-reference
interchangeable
111-02502-2004Interchangeable
interchangeable cross-reference
interchangeable
205SFFQ5A7MILG3278AInterchangeable
interchangeable cross-reference
interchangeable
77505XR1CJInterchangeable
Same NIIN cross-reference
interchangeable
12292904-6Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1205FF-1F1?
1205FF-1F1 is a BEARING,BALL,ANNULAR.
What parts can replace 1205FF-1F1?
There are 5 known substitutes for 1205FF-1F1: 77505X1MILG3278A, 111-02502-2004, 205SFFQ5A7MILG3278A and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1205FF-1F1?
1205FF-1F1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-01-139-3313. 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