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A227377 — BEARING,BALL,ANNULAR

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

A227377: BEARING,BALL,ANNULAR.

The BEARING,BALL,ANNULAR is a the manufacturer industrial component. Key specifications include width: 0.875 INCHES NOMINAL IN, filter: NOT INCLUDED, length: 1.188 INCHES NOMINAL IN, material: STEEL LOCATION NOT OTHERWISE SPECIFIED, body_shape: ROUND, body_style: STRAIGHT THRU. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-155-6653, 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
A227377
NSN: 3110-00-155-6653
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 76894 — CELTRAC CORP (USA)
SPECIFICATIONS
width0.875 INCHES NOMINAL IN
filterNOT INCLUDED
length1.188 INCHES NOMINAL IN
materialSTEEL LOCATION NOT OTHERWISE SPECIFIED
body_shapeROUND
body_styleSTRAIGHT THRU
bore_shapeSTRAIGHT
body_length0.969 INCHES MAXIMUM IN
design_typeDRY
temp_rating175.0 FAHRENHEIT MAXIMUM DEGF
coolant_typeAIR
inside_width0.188 INCHES NOMINAL IN
NSN3110-00-155-6653
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: A227377 · 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 8
7305Reference document
Same NSN cross-reference
Reference document — Secondary reference
7305X1ASame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
R11245Reference document
Same NSN cross-reference
Reference document — Secondary reference
1602809Reference document
Same NSN cross-reference
Reference document — Secondary reference
395720Reference document
Same NSN cross-reference
Reference document — Secondary reference
X440Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is A227377?
A227377 is a BEARING,BALL,ANNULAR.
What parts can replace A227377?
There are 8 known substitutes for A227377: 7305, 7305X1A, R11245 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for A227377?
A227377 is cataloged in the U.S. Government catalog under NSN 3110-00-155-6653. 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.