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Technical Data Sheet
PartsTable / COMPONENT / 57-3044
57-3044 ✓ Verified by PartsTable
Legrand · 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

Product Mechanism supplied with rocker plate, to be equipped with support frame and surround plate. Key specifications include diameter: 0.406 INCHES NOMINAL IN, overall_width: 0.625 INCHES NOMINAL IN, style_designator: SINGLE LOOP, tongue_hole_type: ROUND, UNTHREADED, surface_treatment: CADMIUM AND CHROMATE OR ZINC AND CHROMATE BAND, material_thickness: 0.032 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-090-6721, 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
57-3044
NSN: 3110-00-090-6721
FSC: 3110
CAGE: 77885 — SEEBURG CORP THE SEEBURG PRODUCTS DIV (USA)
SPECIFICATIONS
diameter0.406 INCHES NOMINAL IN
overall_width0.625 INCHES NOMINAL IN
style_designatorSINGLE LOOP
tongue_hole_typeROUND, UNTHREADED
surface_treatmentCADMIUM AND CHROMATE OR ZINC AND CHROMATE BAND
material_thickness0.032 INCHES NOMINAL IN
loop_inside_diameter0.500 INCHES NOMINAL IN
end_item_identificationMRAP - COUGAR CAT1 A1; HIGH-MOBILITY ARTILLERY ROCKET SYSTEM (HIMARS)
distance_from_loop_center_to_tongue_end1.156 INCHES NOMINAL IN
center_to_center_distance_between_loop_and_mounting_hole0.844 INCHES NOMINAL IN
NSN3110-00-090-6721
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 57-3044 · Legrand ⚠ 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
573044Interchangeable
interchangeable cross-reference
interchangeable
7716656Interchangeable
interchangeable cross-reference
interchangeable
5342PL0730691Interchangeable
interchangeable cross-reference
interchangeable
3425-9Interchangeable
interchangeable cross-reference
interchangeable
13028648Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 57-3044?
57-3044 is a LOCK,BREECH,MACHINE GUN manufactured by Legrand.
What parts can replace 57-3044?
There are 5 known substitutes for 57-3044: 573044, 7716656, 5342PL0730691 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 57-3044?
57-3044 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-090-6721. 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: July 2026