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AC47279 — BEARING,ROLLER,NEEDLE

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

AC47279: BEARING,ROLLER,NEEDLE.

The BEARING,ROLLER,NEEDLE is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, crown_radius: 27.5 INCHES MINIMUM IN, bore_diameter: 1.219 INCHES MINIMUM IN, alignment_type: RIGID, surface_finish: GROUND, inner_ring_width: 1.060 INCHES MINIMUM AND 1.075 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 3110-01-186-8079, 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
AC47279
NSN: 3110-01-186-8079
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 60380 — TIMKEN AEROSPACE, INC DBA TORRINGTON PRODUCT (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
crown_radius27.5 INCHES MINIMUM IN
bore_diameter1.219 INCHES MINIMUM IN
seal_quantity2
alignment_typeRIGID
surface_finishGROUND
inner_ring_width1.060 INCHES MINIMUM AND 1.075 INCHES MAXIMUM IN
outer_ring_width1.115 INCHES MINIMUM AND 1.125 INCHES MAXIMUM IN
style_designatorTRACK ROLLER
bearing_seal_typeCONTACT
surface_treatmentCADMIUM OVERALL
overall_outside_diameter1.999 INCHES MINIMUM AND 2.001 INCHES MAXIMUM IN
NSN3110-01-186-8079
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: AC47279 · 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
•
BEARING SEAL TYPE: CONTACT
•
OUTER RING WIDTH: 1.115 INCHES MINIMUM AND 1.125 INCHES MAXIMUM IN
•
SURFACE FINISH: GROUND
•
CROWN RADIUS: 27.5 INCHES MINIMUM IN
•
STYLE DESIGNATOR: TRACK ROLLER
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS6440 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
OVERALL OUTSIDE DIAMETER: 1.999 INCHES MINIMUM AND 2.001 INCHES MAXIMUM IN
•
SPECIFICATION/STANDARD DATA: 81205-BACB10ET03 MANUFACTURERS SOURCE CONTROL
TECHNICAL CHARACTERISTICS
BEARING SEAL TYPECONTACT
OUTER RING WIDTH1.115 INCHES MINIMUM AND 1.125 INCHES MAXIMUM IN
SURFACE FINISHGROUND
CROWN RADIUS27.5 INCHES MINIMUM IN
STYLE DESIGNATORTRACK ROLLER
MATERIAL DOCUMENT AND CLASSIFICATIONAMS6440 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
OVERALL OUTSIDE DIAMETER1.999 INCHES MINIMUM AND 2.001 INCHES MAXIMUM IN
SPECIFICATION/STANDARD DATA81205-BACB10ET03 MANUFACTURERS SOURCE CONTROL
ALIGNMENT TYPERIGID
SURFACE TREATMENTCADMIUM OVERALL
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 5
BACB10ET14Reference document
Same NSN cross-reference
Reference document — Secondary reference
ATF14Reference document
Same NSN cross-reference
Reference document — Secondary reference
14AFC1832Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
14AFC1832/MS21438-114Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
4735570 PIECE 15Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is AC47279?
AC47279 is a BEARING,ROLLER,NEEDLE.
What parts can replace AC47279?
There are 5 known substitutes for AC47279: BACB10ET14, ATF14, 14AFC1832 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for AC47279?
AC47279 is cataloged in the U.S. Government catalog under NSN 3110-01-186-8079. This indicates validated use in U.S. government and defense supply chains.
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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.