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T74996 — BEARING,ROLLER,CYLINDRICAL

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

T74996: BEARING,ROLLER,CYLINDRICAL.

The BEARING,ROLLER,CYLINDRICAL is a the manufacturer industrial component. Key specifications include bore_diameter: 1.7712 INCHES MINIMUM AND 1.7717 INCHES MAXIMUM IN, overall_width: 1.2450 INCHES MINIMUM AND 1.2550 INCHES MAXIMUM IN, overall_outside_diameter: 3.4700 INCHES MINIMUM AND 3.4800 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-601-0818, 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
T74996
NSN: 3110-00-601-0818
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 51588 — RBC BEARINGS INCORPORATED DIV WEST TRENTON DIVISION (USA)
SPECIFICATIONS
bore_diameter1.7712 INCHES MINIMUM AND 1.7717 INCHES MAXIMUM IN
overall_width1.2450 INCHES MINIMUM AND 1.2550 INCHES MAXIMUM IN
overall_outside_diameter3.4700 INCHES MINIMUM AND 3.4800 INCHES MAXIMUM IN
NSN3110-00-601-0818
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: T74996 · 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
•
OVERALL OUTSIDE DIAMETER: 3.4700 INCHES MINIMUM AND 3.4800 INCHES MAXIMUM IN
•
BORE DIAMETER: 1.7712 INCHES MINIMUM AND 1.7717 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
OVERALL WIDTH1.2450 INCHES MINIMUM AND 1.2550 INCHES MAXIMUM IN
OVERALL OUTSIDE DIAMETER3.4700 INCHES MINIMUM AND 3.4800 INCHES MAXIMUM IN
BORE DIAMETER1.7712 INCHES MINIMUM AND 1.7717 INCHES MAXIMUM IN
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 3
BR650-1Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
74797550-6Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
5209BZZ-1Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is T74996?
T74996 is a BEARING,ROLLER,CYLINDRICAL.
What parts can replace T74996?
There are 3 known substitutes for T74996: BR650-1, 74797550-6, 5209BZZ-1. Substitute compatibility should be verified for your specific system.
What is the NSN for T74996?
T74996 is cataloged in the U.S. Government catalog under NSN 3110-00-601-0818. 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.