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Technical Data Sheet
PartsTable / COMPONENT / AC544
AC544 ✓ 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,AIRFRAME is a the manufacturer industrial component. Key specifications include material: STEEL, thickness: 0.156 INCHES NOMINAL IN, overall_length: 0.469 INCHES NOMINAL IN, surface_treatment: ZINC, width_across_flats: 1.000 INCHES NOMINAL IN, male_end_thread_size: 13/16 IN.20 IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-142-4338, 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
AC544
NSN: 3110-00-142-4338
FSC: 3110
CAGE: 21760 — SCHATZ BEARING CORPORATION DBA SCHATZ BEARING CORP (USA)
SPECIFICATIONS
materialSTEEL
thickness0.156 INCHES NOMINAL IN
overall_length0.469 INCHES NOMINAL IN
surface_treatmentZINC
width_across_flats1.000 INCHES NOMINAL IN
male_end_thread_size13/16 IN.20 IN
male_end_thread_class2A A
female_end_thread_size1/4 IN.-18 IN
male_end_thread_length0.312 INCHES NOMINAL IN
female_end_thread_length0.375 INCHES NOMINAL IN
wrenching_facility_shapeHEXAGON
male_end_thread_directionRIGHT-HAND
NSN3110-00-142-4338
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: AC544 · 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
•
INNER RING WIDTH: 0.2810 INCHES NOMINAL IN
•
LOAD DIRECTION: RADIAL
•
OUTER RING WIDTH: 0.2500 INCHES NOMINAL IN
•
LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATION: MIL-G-3278 MIL SPEC SINGLE MATERIAL RESPONSE
•
OVERALL OUTSIDE DIAMETER: 2.2500 INCHES NOMINAL IN
•
BORE DIAMETER: 1.8125 INCHES NOMINAL IN
•
MATERIAL: STEEL CORROSION RESISTING OVERALL
•
STYLE DESIGNATOR: SINGLE ROW, TORQUE TUBE TYPE, W/OR W/O CLOSURE
TECHNICAL CHARACTERISTICS (FLIS)
INNER RING WIDTH0.2810 INCHES NOMINAL IN
LOAD DIRECTIONRADIAL
OUTER RING WIDTH0.2500 INCHES NOMINAL IN
LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATIONMIL-G-3278 MIL SPEC SINGLE MATERIAL RESPONSE
OVERALL OUTSIDE DIAMETER2.2500 INCHES NOMINAL IN
BORE DIAMETER1.8125 INCHES NOMINAL IN
MATERIALSTEEL CORROSION RESISTING OVERALL
STYLE DESIGNATORSINGLE ROW, TORQUE TUBE TYPE, W/OR W/O CLOSURE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 25
45126Interchangeable
interchangeable cross-reference
interchangeable
704Interchangeable
interchangeable cross-reference
interchangeable
58-10133Interchangeable
interchangeable cross-reference
interchangeable
SD5439Interchangeable
interchangeable cross-reference
interchangeable
5325122Interchangeable
interchangeable cross-reference
interchangeable
AC544Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is AC544?
AC544 is a BEARING,BALL,AIRFRAME.
What parts can replace AC544?
There are 25 known substitutes for AC544: 45126, 704, 58-10133 and 22 more. Substitute compatibility should be verified for your specific system.
Is AC544 still available?
AC544 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