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PartsTable / COMPONENT / 3614MILG3278A
3614MILG3278A ✓ Verified by PartsTable
— · TAPERED BEARING
WHAT YOU NEED TO KNOW
Cup and cone sold separately — confirm both needed Timken series numbers indicate dimensions
Cup and cone NOT sold as set — verify order
PRODUCT OVERVIEW

The BEARING,ROLLER,NEEDLE is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, bore_diameter: 0.2500 INCHES NOMINAL IN, alignment_type: RIGID, surface_finish: GROUND, inner_ring_width: 0.3750 INCHES NOMINAL IN, outer_ring_width: 0.2500 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-157-0610, 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
3614MILG3278A
NSN: 3110-00-157-0610
FSC: 3110
CAGE: 60380 — TIMKEN AEROSPACE, INC DBA TORRINGTON PRODUCT (USA)
SPECIFICATIONS
materialSTEEL OVERALL
bore_diameter0.2500 INCHES NOMINAL IN
alignment_typeRIGID
surface_finishGROUND
inner_ring_width0.3750 INCHES NOMINAL IN
outer_ring_width0.2500 INCHES NOMINAL IN
style_designatorAIRFRAME, HARDENED AND GROUND, NON-SEPARABLE
surface_treatmentCADMIUM ALL EXTERNAL/EXPOSED METAL SURFACES
lubrication_materialGREASE
overall_outside_diameter0.8125 INCHES NOMINAL IN
retainer_fabrication_methodPRESSED
standard_tolerance_designationAFBMA STD TOLERANCE FOR INDUSTRIAL NEEDLE BEARINGS
NSN3110-00-157-0610
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 3614MILG3278A · 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
•
OUTER RING WIDTH: 0.2500 INCHES NOMINAL IN
•
INNER RING WIDTH: 0.3750 INCHES NOMINAL IN
•
RETAINER FABRICATION METHOD: PRESSED
•
SURFACE FINISH: GROUND
•
STANDARD TOLERANCE DESIGNATION: AFBMA STD TOLERANCE FOR INDUSTRIAL NEEDLE BEARINGS
•
LUBRICATION MATERIAL: GREASE
•
ALIGNMENT TYPE: RIGID
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
OUTER RING WIDTH0.2500 INCHES NOMINAL IN
INNER RING WIDTH0.3750 INCHES NOMINAL IN
RETAINER FABRICATION METHODPRESSED
SURFACE FINISHGROUND
STANDARD TOLERANCE DESIGNATIONAFBMA STD TOLERANCE FOR INDUSTRIAL NEEDLE BEARINGS
LUBRICATION MATERIALGREASE
ALIGNMENT TYPERIGID
MATERIALSTEEL OVERALL
ALIGNMENT TYPERIGID
STANDARD TOLERANCE DESIGNATIONAFBMA STD TOLERANCE FOR INDUSTRIAL NEEDLE BEARINGS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 22
4-4 WBZ-BInterchangeable
interchangeable cross-reference
interchangeable
100116-003Interchangeable
interchangeable cross-reference
interchangeable
4BUInterchangeable
interchangeable cross-reference
interchangeable
3614Interchangeable
interchangeable cross-reference
interchangeable
5609-151Interchangeable
interchangeable cross-reference
interchangeable
9675Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 3614MILG3278A?
3614MILG3278A is a BEARING,ROLLER,NEEDLE.
What parts can replace 3614MILG3278A?
There are 22 known substitutes for 3614MILG3278A: 4-4 WBZ-B, 100116-003, 4BU and 19 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 3614MILG3278A?
3614MILG3278A is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-157-0610. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026