PartsTable
Technical Data Sheet
Download PDF

3113AS3120-1 — BEARING,BALL,DUPLEX

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

3113AS3120-1: BEARING,BALL,DUPLEX.

The BEARING,BALL,DUPLEX is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, bore_diameter: 0.3750 INCHES NOMINAL IN, overall_width: 0.5624 INCHES NOMINAL IN, load_direction: RADIAL, style_designator: NON-LOADING GROOVE, NON-SEPARABLE, BACK TO BACK MOUNTING, overall_outside_diameter: 0.8750 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 3110-01-391-7958, 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
3113AS3120-1
NSN: 3110-01-391-7958
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 70854 — SCHAEFFLER AEROSPACE USA CORP DIV SCHAEFFLER AEROSPACE USA CORPORATION (USA)
SPECIFICATIONS
materialSTEEL OVERALL
bore_diameter0.3750 INCHES NOMINAL IN
overall_width0.5624 INCHES NOMINAL IN
load_directionRADIAL
shield_quantity1
style_designatorNON-LOADING GROOVE, NON-SEPARABLE, BACK TO BACK MOUNTING
overall_outside_diameter0.8750 INCHES NOMINAL IN
NSN3110-01-391-7958
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 3113AS3120-1 · 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
•
SHIELD QUANTITY: 1
•
STYLE DESIGNATOR: NON-LOADING GROOVE, NON-SEPARABLE, BACK TO BACK MOUNTING
•
OVERALL OUTSIDE DIAMETER: 0.8750 INCHES NOMINAL IN
•
LOAD DIRECTION: RADIAL
•
BORE DIAMETER: 0.3750 INCHES NOMINAL IN
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS
SHIELD QUANTITY1
STYLE DESIGNATORNON-LOADING GROOVE, NON-SEPARABLE, BACK TO BACK MOUNTING
OVERALL WIDTH0.5624 INCHES NOMINAL IN
OVERALL OUTSIDE DIAMETER0.8750 INCHES NOMINAL IN
LOAD DIRECTIONRADIAL
BORE DIAMETER0.3750 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
MATERIALGREASE LUBRICATION
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
SR6SDBG33Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandDemilitarization required — mutilation
Ready to buy 3113AS3120-1?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 3113AS3120-1?
3113AS3120-1 is a BEARING,BALL,DUPLEX.
What parts can replace 3113AS3120-1?
There is 1 known substitute for 3113AS3120-1: SR6SDBG33. Substitute compatibility should be verified for your specific system.
What is the NSN for 3113AS3120-1?
3113AS3120-1 is cataloged in the U.S. Government catalog under NSN 3110-01-391-7958. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 3113AS3120-1

✓ 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.