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Technical Data Sheet
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2-5977 — Technical Data Sheet

✓ Verified by PartsTable
Trust · 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

WEB,STRUCTURAL COMPONENT,AIRCRAF. Key specifications include material: ALUMINUM ALLOY, special_features: ANODIZED,MIL-A-8625,TY 1. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System under NSN 3110-00-155-8879, 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
2-5977
NSN: 3110-00-155-8879
FSC: 3110
CAGE: 14418 — UNISYS CORP DEFENSE SYSTEMS C S D FIELD ENGINEERING (USA)
SPECIFICATIONS
materialALUMINUM ALLOY
special_featuresANODIZED,MIL-A-8625,TY 1
NSN3110-00-155-8879
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 2-5977 · Trust ⚠ 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
•
LOAD DIRECTION: RADIAL
•
STYLE DESIGNATOR: NON-LOADING GROOVE, NON-SEPARABLE
•
NONDEFINITIVE SPEC/STD DATA: 115 TYPE AND 00 GRADE
•
DEPARTURE FROM CITED DESIGNATOR: AS MODIFIED BY OVERALL OUTSIDE DIAMETER,AS MODIFIED BY OVERALL WIDTH
•
MATERIAL: STEEL OVERALL
•
BORE SHAPE: STRAIGHT
TECHNICAL CHARACTERISTICS
LOAD DIRECTIONRADIAL
STYLE DESIGNATORNON-LOADING GROOVE, NON-SEPARABLE
STYLE DESIGNATORNON-LOADING GROOVE, NON-SEPARABLE
NONDEFINITIVE SPEC/STD DATA115 TYPE AND 00 GRADE
DEPARTURE FROM CITED DESIGNATORAS MODIFIED BY OVERALL OUTSIDE DIAMETER,AS MODIFIED BY OVERALL WIDTH
MATERIALSTEEL OVERALL
BORE SHAPESTRAIGHT
NONDEFINITIVE SPEC/STD DATA115 TYPE AND 00 GRADE
STANDARD TOLERANCE DESIGNATIONABEC NO.1
INTERNAL FIT-UP DESIGNATIONSTANDARD
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
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LIFECYCLE
StatusACTIVEGOVERNMENT REGISTRY
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 2-5977?
2-5977 is a WEB,STRUCTURAL COMPONENT,AIRCRAF manufactured by Trust.
What parts can replace 2-5977?
There are 17 known substitutes for 2-5977: K71643, 678, 2740 and 14 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 2-5977?
2-5977 is cataloged in the Federal Logistics Information System under NSN 3110-00-155-8879. 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: September 2026