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7T7100 — BEARING,ROLLER,CYLINDRICAL

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

7T7100: BEARING,ROLLER,CYLINDRICAL.

The BEARING,ROLLER,CYLINDRICAL is a the manufacturer industrial component. Key specifications include material: STEEL COMP E52100 SEPARATOR SLUG, bore_diameter: 2.1259 INCHES NOMINAL IN, outer_ring_width: 0.6300 INCHES NOMINAL IN, end_item_identification: C-17 ACFT ENGINE, overall_outside_diameter: 3.1890 INCHES NOMINAL IN, precious_material_and_location: CENTERED ON OUTER RACE SILVER. This part is cataloged in the U.S.

Government catalog under NSN 3110-01-411-3330, 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
7T7100
NSN: 3110-01-411-3330
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 77445 — RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY (USA)
SPECIFICATIONS
materialSTEEL COMP E52100 SEPARATOR SLUG
bore_diameter2.1259 INCHES NOMINAL IN
outer_ring_width0.6300 INCHES NOMINAL IN
end_item_identificationC-17 ACFT ENGINE
overall_outside_diameter3.1890 INCHES NOMINAL IN
precious_material_and_locationCENTERED ON OUTER RACE SILVER
NSN3110-01-411-3330
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 7T7100 · 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: 0.6300 INCHES NOMINAL IN
•
OVERALL OUTSIDE DIAMETER: 3.1890 INCHES NOMINAL IN
•
PRECIOUS MATERIAL AND LOCATION: CENTERED ON OUTER RACE SILVER
•
BORE DIAMETER: 2.1259 INCHES NOMINAL IN
•
MATERIAL: STEEL COMP E52100 SEPARATOR SLUG
TECHNICAL CHARACTERISTICS
OUTER RING WIDTH0.6300 INCHES NOMINAL IN
OVERALL OUTSIDE DIAMETER3.1890 INCHES NOMINAL IN
PRECIOUS MATERIAL AND LOCATIONCENTERED ON OUTER RACE SILVER
END ITEM IDENTIFICATIONC-17 ACFT ENGINE
BORE DIAMETER2.1259 INCHES NOMINAL IN
MATERIALSTEEL COMP E52100 SEPARATOR SLUG
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
7T0110Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 7T7100?
7T7100 is a BEARING,ROLLER,CYLINDRICAL.
What parts can replace 7T7100?
There is 1 known substitute for 7T7100: 7T0110. Substitute compatibility should be verified for your specific system.
What is the NSN for 7T7100?
7T7100 is cataloged in the U.S. Government catalog under NSN 3110-01-411-3330. 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.