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57RSD77H10H — ROLLER,BEARING

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

57RSD77H10H: ROLLER,BEARING.

The ROLLER,BEARING is a the manufacturer industrial component. Key specifications include bore_diameter: 5.7500 INCHES NOMINAL5.7500 INCHES NOMINAL IN, overall_width: 1.0000 INCHES NOMINAL1.0000 INCHES NOMINAL IN, fsc_application_data: PEDESTAL ANTENNA,METEOROLOGYPEDESTAL ANTENNA,METEOROLOGY, overall_outside_diameter: 7.7500 INCHES NOMINAL7.7500 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 3110-01-334-2981, 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
57RSD77H10H
NSN: 3110-01-334-2981
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 39820 — KINGSBURY, INC. DBA MESSINGER BEARINGS DIV MESSINGER BEARINGS (USA)
SPECIFICATIONS
bore_diameter5.7500 INCHES NOMINAL5.7500 INCHES NOMINAL IN
overall_width1.0000 INCHES NOMINAL1.0000 INCHES NOMINAL IN
style_designatorCYLINDRICAL TWO LIP INNER RING W/CENTERED ROLLER GUIDE, CYLINDRICAL OUTER RING SEPARABLECYLINDRICAL TWO LIP INNER RING W/CENTERED ROLLER GUIDE, CYLINDRICAL OUTER RING SEPARABLE
fsc_application_dataPEDESTAL ANTENNA,METEOROLOGYPEDESTAL ANTENNA,METEOROLOGY
overall_outside_diameter7.7500 INCHES NOMINAL7.7500 INCHES NOMINAL IN
NSN3110-01-334-2981
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 57RSD77H10H · 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
•
FSC APPLICATION DATA: PEDESTAL ANTENNA,METEOROLOGYPEDESTAL ANTENNA,METEOROLOGY
•
STYLE DESIGNATOR: CYLINDRICAL TWO LIP INNER RING W/CENTERED ROLLER GUIDE, CYLINDRICAL OUTER RING SEPARABLECYLINDRICAL TWO LIP INNER RING W/CENTERED ROLLER GUIDE, CYLINDRICAL OUTER RING SEPARABLE
•
OVERALL OUTSIDE DIAMETER: 7.7500 INCHES NOMINAL7.7500 INCHES NOMINAL IN
•
BORE DIAMETER: 5.7500 INCHES NOMINAL5.7500 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
FSC APPLICATION DATAPEDESTAL ANTENNA,METEOROLOGYPEDESTAL ANTENNA,METEOROLOGY
STYLE DESIGNATORCYLINDRICAL TWO LIP INNER RING W/CENTERED ROLLER GUIDE, CYLINDRICAL OUTER RING SEPARABLECYLINDRICAL TWO LIP INNER RING W/CENTERED ROLLER GUIDE, CYLINDRICAL OUTER RING SEPARABLE
OVERALL WIDTH1.0000 INCHES NOMINAL1.0000 INCHES NOMINAL IN
OVERALL OUTSIDE DIAMETER7.7500 INCHES NOMINAL7.7500 INCHES NOMINAL IN
BORE DIAMETER5.7500 INCHES NOMINAL5.7500 INCHES NOMINAL IN
OTHER ITEMS IN FSC 3110 — Bearings, Antifriction, Unmounted
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
3110-00-001-1937 3110-00-001-1938 3110-00-001-4661 3110-00-001-4662 3110-00-001-4689 3110-00-001-4722
SUBSTITUTES & CROSS-REFERENCES 1
1425AS256-2Reference document
Same NSN cross-reference
Reference document — Vendor item drawing reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 57RSD77H10H?
57RSD77H10H is a ROLLER,BEARING.
What parts can replace 57RSD77H10H?
There is 1 known substitute for 57RSD77H10H: 1425AS256-2. Substitute compatibility should be verified for your specific system.
What is the NSN for 57RSD77H10H?
57RSD77H10H is cataloged in the U.S. Government catalog under NSN 3110-01-334-2981. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.