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Technical Data Sheet
PartsTable / COMPONENT / 280TR
280TR ✓ Verified by PartsTable
— · BALL BEARING
WHAT YOU NEED TO KNOW
2RS = sealed for life, ZZ = shielded re-greaseable ABEC grade: higher = tighter tolerance
ABEC-1 standard, ABEC-7+ for precision spindles
PRODUCT OVERVIEW

The BEARING,SLEEVE is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY 932 OVERALL, corner_shape: SQUARE ALL CORNERS, overall_length: 3.9950 INCHES MINIMUM AND 4.0050 INCHES MAXIMUM IN, style_designator: SOLID, PLAIN, NO OUTSIDE FLANGES, body_inside_diameter: 1.2490 INCHES MINIMUM AND 1.2510 INCHES MAXIMUM IN, body_outside_diameter: 1.5020 INCHES MINIMUM AND 1.5030 INCHES MAXIMUM IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-00-526-1858, 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
280TR
NSN: 3120-00-526-1858
FSC: 3120
CAGE: 45152 — OSHKOSH CORP (USA)
SPECIFICATIONS
materialCOPPER ALLOY 932 OVERALL
corner_shapeSQUARE ALL CORNERS
overall_length3.9950 INCHES MINIMUM AND 4.0050 INCHES MAXIMUM IN
style_designatorSOLID, PLAIN, NO OUTSIDE FLANGES
body_inside_diameter1.2490 INCHES MINIMUM AND 1.2510 INCHES MAXIMUM IN
body_outside_diameter1.5020 INCHES MINIMUM AND 1.5030 INCHES MAXIMUM IN
material_document_and_classificationSAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN3120-00-526-1858
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 280TR · OEM ⚠ VERIFY BEFORE ORDERING ABEC grade: higher = tighter tolerance = higher cost. ABEC-1 is standard, ABEC-7+ for precision spindles. Open, shielded (ZZ), and sealed (2RS) versions have different max RPM ratings ✓ BROKER TIP 2RS = sealed for life (no maintenance). ZZ = shielded, re-greaseable. Open = must lubricate on install. Common interchange: 6205-2RS = 6205-2RSR = 6205-DDU (same bearing, different suffix) PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
STYLE DESIGNATOR: SOLID, PLAIN, NO OUTSIDE FLANGES
•
CORNER SHAPE: SQUARE ALL CORNERS
•
MATERIAL DOCUMENT AND CLASSIFICATION: SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
MATERIAL: COPPER ALLOY 932 OVERALL
•
BODY INSIDE DIAMETER: 1.2490 INCHES MINIMUM AND 1.2510 INCHES MAXIMUM IN
•
BODY OUTSIDE DIAMETER: 1.5020 INCHES MINIMUM AND 1.5030 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
STYLE DESIGNATORSOLID, PLAIN, NO OUTSIDE FLANGES
CORNER SHAPESQUARE ALL CORNERS
MATERIAL DOCUMENT AND CLASSIFICATIONSAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALCOPPER ALLOY 932 OVERALL
BODY INSIDE DIAMETER1.2490 INCHES MINIMUM AND 1.2510 INCHES MAXIMUM IN
OVERALL LENGTH3.9950 INCHES MINIMUM AND 4.0050 INCHES MAXIMUM IN
BODY OUTSIDE DIAMETER1.5020 INCHES MINIMUM AND 1.5030 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
30322Interchangeable
interchangeable cross-reference
interchangeable
7626-3Interchangeable
interchangeable cross-reference
interchangeable
MIL-P-43940Interchangeable
interchangeable cross-reference
interchangeable
32212Interchangeable
interchangeable cross-reference
interchangeable
906197-00Interchangeable
interchangeable cross-reference
interchangeable
5035362-46Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 280TR?
280TR is a BEARING,SLEEVE.
What parts can replace 280TR?
There are 16 known substitutes for 280TR: 30322, 7626-3, MIL-P-43940 and 13 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 280TR?
280TR is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-00-526-1858. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026