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S1120 — BEARING,BALL,ANNULAR

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

S1120: BEARING,BALL,ANNULAR.

The BEARING,BALL,ANNULAR is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY 7075 OVERALL, corner_shape: SQUARE ALL CORNERS, overall_length: 1.4360 INCHES NOMINAL IN, style_designator: SOLID, EXTERNAL FLANGES BOTH ENDS, left_flange_width: 0.0600 INCHES NOMINAL IN, surface_treatment: ANODIZE OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-144-8519, 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
S1120
NSN: 3110-00-144-8519
NIINs: 001448519, 013516902, 014950062, 014950065, 014950073, 014955558, 015013324, 015033523
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 25567 — THE GORMAN-RUPP COMPANY DIV GORMAN-RUPP (USA)
SPECIFICATIONS
materialALUMINUM ALLOY 7075 OVERALL
corner_shapeSQUARE ALL CORNERS
overall_length1.4360 INCHES NOMINAL IN
style_designatorSOLID, EXTERNAL FLANGES BOTH ENDS
left_flange_width0.0600 INCHES NOMINAL IN
surface_treatmentANODIZE OVERALL
right_flange_width0.0600 INCHES NOMINAL IN
body_inside_diameter0.3800 INCHES NOMINAL IN
body_outside_diameter0.5000 INCHES NOMINAL IN
end_item_identificationC-130 AIRCRAFT
left_flange_outside_diameter0.8400 INCHES NOMINAL IN
right_flange_outside_diameter0.8400 INCHES NOMINAL IN
NSN3110-00-144-8519
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: S1120 · 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
SUBSTITUTES & CROSS-REFERENCES 10
SRB305SReference document
Same NSN cross-reference
Reference document — Secondary reference
1B4115Reference document
Same NSN cross-reference
Reference document — Secondary reference
ST288Reference document
Same NSN cross-reference
Reference document — Secondary reference
PP047BAL0200Reference document
Same NSN cross-reference
Reference document — Secondary reference
731237Reference document
Same NSN cross-reference
Reference document — Secondary reference
501031Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is S1120?
S1120 is a BEARING,BALL,ANNULAR.
What parts can replace S1120?
There are 10 known substitutes for S1120: SRB305S, 1B4115, ST288 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for S1120?
S1120 is cataloged in the U.S. Government catalog under NSN 3110-00-144-8519. 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.