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Technical Data Sheet
PartsTable / COMPONENT / 12791-1
12791-1 ✓ 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,ROLLER,SELF-ALIGNING is a the manufacturer industrial component. Key specifications include material: RUBBER FLUOROSILICONE CLASS FQ, bore_shape: STRAIGHT, side_length: 0.344 INCHES NOMINAL IN, bore_diameter: 2.3570 INCHES NOMINAL IN, overall_width: 0.750 INCHES NOMINAL IN, overall_height: 0.015 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-117-0708, 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
12791-1
NSN: 3110-00-117-0708
FSC: 3110
CAGE: 24617 — GENERAL MOTORS CORP (USA)
SPECIFICATIONS
materialRUBBER FLUOROSILICONE CLASS FQ
bore_shapeSTRAIGHT
side_length0.344 INCHES NOMINAL IN
bore_diameter2.3570 INCHES NOMINAL IN
overall_width0.750 INCHES NOMINAL IN
overall_height0.015 INCHES NOMINAL IN
overall_length0.875 INCHES NOMINAL IN
surface_finishGROUND
hardness_rating70.0 SHORE DUROMETER A NOMINAL
locating_featureNONLOCATING
outside_diameter3.006 INCHES NOMINAL IN
special_featuresTWO HOLES,0.188 IN. DIA; TWO SLOTS,0.094 IN. WIDE,0.063 IN. DEEP IN
NSN3110-00-117-0708
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 12791-1 · 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
•
NONDEFINITIVE SPEC/STD DATA: 00 GRADE AND 1 CLASS AND 214 TYPE
•
MATERIAL: STEEL CORROSION RESISTING OVERALL
•
DEPARTURE FROM CITED DESIGNATOR: AS MODIFIED BY SPECIAL FEATURES AND O/A WIDTH AND BORE DIA
•
BORE DIAMETER: 2.3570 INCHES NOMINAL IN
•
SURFACE FINISH: GROUND
•
INTERNAL FIT-UP DESIGNATION: STANDARD
•
BORE SHAPE: STRAIGHT
TECHNICAL CHARACTERISTICS (FLIS)
NONDEFINITIVE SPEC/STD DATA00 GRADE AND 1 CLASS AND 214 TYPE
MATERIALSTEEL CORROSION RESISTING OVERALL
DEPARTURE FROM CITED DESIGNATORAS MODIFIED BY SPECIAL FEATURES AND O/A WIDTH AND BORE DIA
BORE DIAMETER2.3570 INCHES NOMINAL IN
SPECIAL FEATURESW/O A INNER RING
SURFACE FINISHGROUND
INTERNAL FIT-UP DESIGNATIONSTANDARD
BORE SHAPESTRAIGHT
LOCATING FEATURENONLOCATING
STANDARD TOLERANCE DESIGNATIONABEC NO.1
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
12791-1Interchangeable
interchangeable cross-reference
interchangeable
404382Interchangeable
interchangeable cross-reference
interchangeable
2-149L1120-70Interchangeable
interchangeable cross-reference
interchangeable
M25988/1-149Interchangeable
interchangeable cross-reference
interchangeable
MIL-DTL-25988/1Interchangeable
interchangeable cross-reference
interchangeable
011-002374-002Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 12791-1?
12791-1 is a BEARING,ROLLER,SELF-ALIGNING.
What parts can replace 12791-1?
There are 16 known substitutes for 12791-1: 12791-1, 404382, 2-149L1120-70 and 13 more. Substitute compatibility should be verified for your specific system.
Is 12791-1 still available?
12791-1 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026