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Technical Data Sheet
PartsTable / COMPONENT / 141120R1
141120R1 ✓ 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 RING,BEARING,INNER is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, bore_shape: STRAIGHT, bore_diameter: 1.2806 INCHES MINIMUM AND 1.2811 INCHES MAXIMUM IN, overall_width: 0.4670 INCHES MINIMUM AND 0.4710 INCHES MAXIMUM IN, surface_finish: GROUND, special_features: ANGULAR CONTACT RACEWAY. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-571-1806, 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
141120R1
NSN: 3110-00-571-1806
FSC: 3110
CAGE: 31007 — NAVISTAR INTERNATIONAL CORPORATION DBA NAVISTAR (USA)
SPECIFICATIONS
materialSTEEL OVERALL
bore_shapeSTRAIGHT
bore_diameter1.2806 INCHES MINIMUM AND 1.2811 INCHES MAXIMUM IN
overall_width0.4670 INCHES MINIMUM AND 0.4710 INCHES MAXIMUM IN
surface_finishGROUND
special_featuresANGULAR CONTACT RACEWAY
style_designatorINNER RING, BALL
overall_outside_diameter2.0400 INCHES MINIMUM AND 2.0600 INCHES MAXIMUM IN
NSN3110-00-571-1806
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 141120R1 · 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
•
OVERALL OUTSIDE DIAMETER: 2.0400 INCHES MINIMUM AND 2.0600 INCHES MAXIMUM IN
•
BORE DIAMETER: 1.2806 INCHES MINIMUM AND 1.2811 INCHES MAXIMUM IN
•
BORE SHAPE: STRAIGHT
•
MATERIAL: STEEL OVERALL
•
SURFACE FINISH: GROUND
•
STYLE DESIGNATOR: INNER RING, BALL
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL OUTSIDE DIAMETER2.0400 INCHES MINIMUM AND 2.0600 INCHES MAXIMUM IN
SPECIAL FEATURESANGULAR CONTACT RACEWAY
OVERALL WIDTH0.4670 INCHES MINIMUM AND 0.4710 INCHES MAXIMUM IN
BORE DIAMETER1.2806 INCHES MINIMUM AND 1.2811 INCHES MAXIMUM IN
BORE SHAPESTRAIGHT
MATERIALSTEEL OVERALL
SURFACE FINISHGROUND
STYLE DESIGNATORINNER RING, BALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
400 055Interchangeable
interchangeable cross-reference
interchangeable
2018891Interchangeable
interchangeable cross-reference
interchangeable
109460Interchangeable
interchangeable cross-reference
interchangeable
3801106Interchangeable
interchangeable cross-reference
interchangeable
50264-H PIECE 48Interchangeable
interchangeable cross-reference
interchangeable
G7038PC31-33T03537-39T041Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 141120R1?
141120R1 is a RING,BEARING,INNER.
What parts can replace 141120R1?
There are 10 known substitutes for 141120R1: 400 055, 2018891, 109460 and 7 more. Substitute compatibility should be verified for your specific system.
Is 141120R1 still available?
141120R1 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