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Technical Data Sheet
PartsTable / COMPONENT / 247728
247728 ✓ 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,TAPERED is a the manufacturer tape media or drive component used in enterprise backup, archival, and disaster recovery environments. Key specifications include material: STEEL OVERALL, head_style: HEXAGON, head_height: 0.200 INCHES NOMINAL IN, thread_class: 2A A, thread_length: 0.880 INCHES MINIMUM AND 1.070 INCHES MAXIMUM IN, fastener_length: 3.940 INCHES MINIMUM AND 4.000 INCHES MAXIMUM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-100-5281, 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
247728
NSN: 3110-00-100-5281
FSC: 3110
CAGE: 87708 — COOPER INDUSTRIES INC FLOW CONTROL DIV (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleHEXAGON
head_height0.200 INCHES NOMINAL IN
thread_class2A A
thread_length0.880 INCHES MINIMUM AND 1.070 INCHES MAXIMUM IN
fastener_length3.940 INCHES MINIMUM AND 4.000 INCHES MAXIMUM IN
hardness_rating80.0 ROCKWELL B MINIMUM AND 100.0 ROCKWELL B MAXIMUM OVERALL
thread_directionRIGHT-HAND
features_providedFINISHED HEAD
surface_treatmentCADMIUM OR ZINC OVERALL
width_between_flats0.480 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
minimum_yield_strength57000 POUNDS PER SQUARE INCH LBS
NSN3110-00-100-5281
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 247728 · 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
•
CUP WIDTH: 0.5313 INCHES NOMINAL IN
•
BORE DIAMETER: 1.0000 INCHES NOMINAL IN
•
STANDARD TOLERANCE DESIGNATION: AFBMA CLASS 2
•
CONE WIDTH: 0.6875 INCHES NOMINAL IN
•
STYLE DESIGNATOR: STRAIGHT BORE, NORMAL ANGLE
•
MATERIAL: STEEL OVERALL
•
CONE CORNER RADIUS: 0.0460 INCHES NOMINAL IN
TYPICAL APPLICATIONS
  • Long-term data archival and compliance retention
  • Offsite backup and disaster recovery
  • Air-gapped ransomware protection
  • Cold storage tier for infrequently accessed data
TECHNICAL CHARACTERISTICS (FLIS)
CUP WIDTH0.5313 INCHES NOMINAL IN
BORE DIAMETER1.0000 INCHES NOMINAL IN
OVERALL WIDTH0.6875 INCHES NOMINAL IN
STANDARD TOLERANCE DESIGNATIONAFBMA CLASS 2
CONE WIDTH0.6875 INCHES NOMINAL IN
STYLE DESIGNATORSTRAIGHT BORE, NORMAL ANGLE
MATERIALSTEEL OVERALL
CONE CORNER RADIUS0.0460 INCHES NOMINAL IN
OVERALL OUTSIDE DIAMETER2.2500 INCHES NOMINAL IN
BACKFACE CORNER RADIUS0.0620 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
103710Interchangeable
interchangeable cross-reference
interchangeable
103665Interchangeable
interchangeable cross-reference
interchangeable
112639Interchangeable
Ef-VG970
interchangeable
232N90-4Interchangeable
interchangeable cross-reference
interchangeable
MS28034-2Interchangeable
interchangeable cross-reference
interchangeable
247728Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 247728?
247728 is a BEARING,ROLLER,TAPERED.
What parts can replace 247728?
There are 16 known substitutes for 247728: 103710, 103665, 112639 and 13 more. Substitute compatibility should be verified for your specific system.
Is 247728 still available?
247728 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026