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48-4621 — CONE AND ROLLERS,TAPERED ROLLER

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

48-4621: CONE AND ROLLERS,TAPERED ROLLER.

CONE AND ROLLERS,TAPERED ROLLER. Key specifications include fsc_application_data: INDICATOR,LIQUID QUANTITY, end_item_identification: F-15 ACFT, general_characteristics_item_description: DIM. MAX LG 1.750 IN.,MIN LG 1.710 IN.; ASSY CONSISTS OF THREADED ROD 1,SPACER PLATE 1 IN.

This part is cataloged in the U.S. Government catalog under NSN 3110-00-100-3557, 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
48-4621
NSN: 3110-00-100-3557
NIINs: 001003557, 004651589, 010680648
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 47353 — PORTEC INC PIONEER DIV (USA)
SPECIFICATIONS
fsc_application_dataINDICATOR,LIQUID QUANTITY
end_item_identificationF-15 ACFT
general_characteristics_item_descriptionDIM. MAX LG 1.750 IN.,MIN LG 1.710 IN.; ASSY CONSISTS OF THREADED ROD 1,SPACER PLATE 1 IN
NSN3110-00-100-3557
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 48-4621 · 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
•
STYLE DESIGNATOR: NORMAL ANGLE
•
CONE CORNER RADIUS: 0.0312 INCHES NOMINAL IN
•
CONE WIDTH: 0.9330 INCHES NOMINAL IN
•
STANDARD TOLERANCE DESIGNATION: AFBMA CLASS 2
•
BORE DIAMETER: 1.5000 INCHES NOMINAL IN
•
MATERIAL: STEEL OVERALL
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
STYLE DESIGNATORNORMAL ANGLE
CONE CORNER RADIUS0.0312 INCHES NOMINAL IN
CONE WIDTH0.9330 INCHES NOMINAL IN
STANDARD TOLERANCE DESIGNATIONAFBMA CLASS 2
BORE DIAMETER1.5000 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
SUBSTITUTES & CROSS-REFERENCES 9
187742Reference document
Same NSN cross-reference
Reference document — Secondary reference
799056Reference document
Same NSN cross-reference
Reference document — Secondary reference
37220Reference document
Same NSN cross-reference
Reference document — Secondary reference
32720Reference document
Same NSN cross-reference
Reference document — Secondary reference
54151Reference document
Same NSN cross-reference
Reference document — Secondary reference
253342Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 48-4621?
48-4621 is a CONE AND ROLLERS,TAPERED ROLLER.
What parts can replace 48-4621?
There are 9 known substitutes for 48-4621: 187742, 799056, 37220 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 48-4621?
48-4621 is cataloged in the U.S. Government catalog under NSN 3110-00-100-3557. 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.