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12277717-2 — BEARING,BALL,ANNULAR

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

12277717-2: BEARING,BALL,ANNULAR.

The BEARING,BALL,ANNULAR is a the manufacturer industrial component. Key specifications include material: STEEL COMP 440C AND PLASTIC OVERALL, bore_shape: STRAIGHT, bore_diameter: 0.7500 INCHES NOMINAL IN, overall_width: 0.1560 INCHES NOMINAL IN, load_direction: RADIAL, surface_finish: UNGROUND. This part is cataloged in the U.S.

Government catalog under NSN 3110-01-053-6522, 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
12277717-2
NSN: 3110-01-053-6522
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
materialSTEEL COMP 440C AND PLASTIC OVERALL
bore_shapeSTRAIGHT
bore_diameter0.7500 INCHES NOMINAL IN
overall_width0.1560 INCHES NOMINAL IN
load_directionRADIAL
surface_finishUNGROUND
style_designatorNON-LOADING GROOVE, NON-SEPARABLE
features_providedMOUNTING GROOVE
lubrication_materialGREASE
overall_outside_diameter1.0000 INCHES NOMINAL IN
retainer_fabrication_methodMACHINED
material_document_and_classificationA1S1-S44004 ASSN STD 1ST MATERIAL RESPONSE AND ASTM-D709 ASSN STD 2ND MATERIAL RESPONSE OVERALL
NSN3110-01-053-6522
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 12277717-2 · 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
•
RETAINER FABRICATION METHOD: MACHINED
•
LUBRICATION MATERIAL: GREASE
•
SURFACE FINISH: UNGROUND
•
STYLE DESIGNATOR: NON-LOADING GROOVE, NON-SEPARABLE
•
MATERIAL DOCUMENT AND CLASSIFICATION: A1S1-S44004 ASSN STD 1ST MATERIAL RESPONSE AND ASTM-D709 ASSN STD 2ND MATERIAL RESPONSE OVERALL
•
OVERALL OUTSIDE DIAMETER: 1.0000 INCHES NOMINAL IN
•
FEATURES PROVIDED: MOUNTING GROOVE
TECHNICAL CHARACTERISTICS
RETAINER FABRICATION METHODMACHINED
LUBRICATION MATERIALGREASE
SURFACE FINISHUNGROUND
STYLE DESIGNATORNON-LOADING GROOVE, NON-SEPARABLE
MATERIAL DOCUMENT AND CLASSIFICATIONA1S1-S44004 ASSN STD 1ST MATERIAL RESPONSE AND ASTM-D709 ASSN STD 2ND MATERIAL RESPONSE OVERALL
OVERALL WIDTH0.1560 INCHES NOMINAL IN
OVERALL OUTSIDE DIAMETER1.0000 INCHES NOMINAL IN
FEATURES PROVIDEDMOUNTING GROOVE
BORE SHAPESTRAIGHT
LOAD DIRECTIONRADIAL
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
3TWNF12P-16Reference document
Same NSN cross-reference
Reference document — Secondary 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 12277717-2?
12277717-2 is a BEARING,BALL,ANNULAR.
What parts can replace 12277717-2?
There is 1 known substitute for 12277717-2: 3TWNF12P-16. Substitute compatibility should be verified for your specific system.
What is the NSN for 12277717-2?
12277717-2 is cataloged in the U.S. Government catalog under NSN 3110-01-053-6522. 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.