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Technical Data Sheet
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AB5 ✓ 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,AIRFRAME is a the manufacturer industrial component. Key specifications include shape: RECTANGULAR, material: STEEL, design_type: SOLID, special_features: 3 INCHES LONG;1/4 THICK HARDENED STEEL;5 DEGREE BLOCK FOR CHECKING ANGLES IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-143-3018, 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
AB5
NSN: 3110-00-143-3018
FSC: 3110
CAGE: 77896 — REXNORD INDUSTRIES, LLC DIV AEROSSPACE BEARING OPERATION (USA)
SPECIFICATIONS
shapeRECTANGULAR
materialSTEEL
design_typeSOLID
special_features3 INCHES LONG;1/4 THICK HARDENED STEEL;5 DEGREE BLOCK FOR CHECKING ANGLES IN
NSN3110-00-143-3018
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: AB5 · 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: 1.5625 INCHES NOMINAL IN
•
LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATION: MIL-G-23827 MIL SPEC SINGLE MATERIAL RESPONSE
•
LUBRICATION MATERIAL: GREASE
•
OUTER RING WIDTH: 0.8440 INCHES NOMINAL IN
•
INNER RING WIDTH: 1.2500 INCHES NOMINAL IN
•
SEAL QUANTITY: 2
•
BEARING SEAL TYPE: CONTACT
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL OUTSIDE DIAMETER1.5625 INCHES NOMINAL IN
LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATIONMIL-G-23827 MIL SPEC SINGLE MATERIAL RESPONSE
LUBRICATION MATERIALGREASE
OUTER RING WIDTH0.8440 INCHES NOMINAL IN
INNER RING WIDTH1.2500 INCHES NOMINAL IN
SPECIAL FEATURES10 DEG SELF ALIGNMENT IN EITHER DIRECTION,LUBRICANT HOLE AND GROOVE IN OUTER RING,HEAT TREATED SLEEVE AND COLLARS ON INNER RING
SEAL QUANTITY2
BEARING SEAL TYPECONTACT
MATERIALSTEEL OUTER RING
SURFACE TREATMENTCADMIUM ALL EXTERNAL/EXPOSED METAL SURFACES
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
AB4Interchangeable
interchangeable cross-reference
interchangeable
AB5Interchangeable
interchangeable cross-reference
interchangeable
DAS5-25CQInterchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is AB5?
AB5 is a BEARING,ROLLER,AIRFRAME.
What parts can replace AB5?
There are 3 known substitutes for AB5: AB4, AB5, DAS5-25CQ. Substitute compatibility should be verified for your specific system.
Is AB5 still available?
AB5 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