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TRB-4052 — SEAT,BEARING

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

TRB-4052: SEAT,BEARING.

The SEAT,BEARING is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, bore_diameter: 2.5020 INCHES MINIMUM AND 2.5170 INCHES MAXIMUM IN, overall_width: 0.0600 INCHES MINIMUM AND 0.0630 INCHES MAXIMUM IN, outside_diameter: 3.2200 INCHES MINIMUM AND 3.2400 INCHES MAXIMUM IN, special_features: GROUND FINISH, style_designator: FLAT RACE SURFACE. This part is cataloged in the U.S.

Government catalog under NSN 3110-01-254-1409, 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
TRB-4052
NSN: 3110-01-254-1409
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 60380 — TIMKEN AEROSPACE, INC DBA TORRINGTON PRODUCT (USA)
SPECIFICATIONS
materialSTEEL OVERALL
bore_diameter2.5020 INCHES MINIMUM AND 2.5170 INCHES MAXIMUM IN
overall_width0.0600 INCHES MINIMUM AND 0.0630 INCHES MAXIMUM IN
outside_diameter3.2200 INCHES MINIMUM AND 3.2400 INCHES MAXIMUM IN
special_featuresGROUND FINISH
style_designatorFLAT RACE SURFACE
NSN3110-01-254-1409
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: TRB-4052 · 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: FLAT RACE SURFACE
•
OUTSIDE DIAMETER: 3.2200 INCHES MINIMUM AND 3.2400 INCHES MAXIMUM IN
•
BORE DIAMETER: 2.5020 INCHES MINIMUM AND 2.5170 INCHES MAXIMUM IN
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS
STYLE DESIGNATORFLAT RACE SURFACE
OVERALL WIDTH0.0600 INCHES MINIMUM AND 0.0630 INCHES MAXIMUM IN
OUTSIDE DIAMETER3.2200 INCHES MINIMUM AND 3.2400 INCHES MAXIMUM IN
SPECIAL FEATURESGROUND FINISH
BORE DIAMETER2.5020 INCHES MINIMUM AND 2.5170 INCHES MAXIMUM IN
MATERIALSTEEL OVERALL
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
791-007-9070Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 TRB-4052?
TRB-4052 is a SEAT,BEARING.
What parts can replace TRB-4052?
There is 1 known substitute for TRB-4052: 791-007-9070. Substitute compatibility should be verified for your specific system.
What is the NSN for TRB-4052?
TRB-4052 is cataloged in the U.S. Government catalog under NSN 3110-01-254-1409. 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.