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Technical Data Sheet
PartsTable / COMPONENT / 1K252
1K252 ✓ 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: OIL LUBRICATING LUBRICATION, corner_shape: SQUARE ALL CORNERS, overall_length: 0.4060 INCHES NOMINAL IN, style_designator: SOLID, PLAIN, NO OUTSIDE FLANGES, body_inside_diameter: 0.4380 INCHES MINIMUM AND 0.4390 INCHES MAXIMUM IN, body_outside_diameter: 0.5640 INCHES MINIMUM AND 0.5650 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 3120-00-354-4126, 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
1K252
NSN: 3120-00-354-4126
FSC: 3120
CAGE: 76894 — CELTRAC CORP (USA)
SPECIFICATIONS
materialOIL LUBRICATING LUBRICATION
corner_shapeSQUARE ALL CORNERS
overall_length0.4060 INCHES NOMINAL IN
style_designatorSOLID, PLAIN, NO OUTSIDE FLANGES
body_inside_diameter0.4380 INCHES MINIMUM AND 0.4390 INCHES MAXIMUM IN
body_outside_diameter0.5640 INCHES MINIMUM AND 0.5650 INCHES MAXIMUM IN
NSN3120-00-354-4126
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 1K252 · 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
•
CORNER SHAPE: SQUARE ALL CORNERS
•
MATERIAL: OIL LUBRICATING LUBRICATION
•
STYLE DESIGNATOR: SOLID, PLAIN, NO OUTSIDE FLANGES
•
BODY INSIDE DIAMETER: 0.4380 INCHES MINIMUM AND 0.4390 INCHES MAXIMUM IN
•
BODY OUTSIDE DIAMETER: 0.5640 INCHES MINIMUM AND 0.5650 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL LENGTH0.4060 INCHES NOMINAL IN
CORNER SHAPESQUARE ALL CORNERS
MATERIALOIL LUBRICATING LUBRICATION
STYLE DESIGNATORSOLID, PLAIN, NO OUTSIDE FLANGES
MATERIALCOPPER ALLOY OVERALL
BODY INSIDE DIAMETER0.4380 INCHES MINIMUM AND 0.4390 INCHES MAXIMUM IN
BODY OUTSIDE DIAMETER0.5640 INCHES MINIMUM AND 0.5650 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
314301AInterchangeable
interchangeable cross-reference
interchangeable
116250Interchangeable
interchangeable cross-reference
interchangeable
84214Interchangeable
interchangeable cross-reference
interchangeable
32672Interchangeable
interchangeable cross-reference
interchangeable
99132672Interchangeable
interchangeable cross-reference
interchangeable
A515-14Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1K252?
1K252 is a BEARING,SLEEVE.
What parts can replace 1K252?
There are 6 known substitutes for 1K252: 314301A, 116250, 84214 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1K252?
1K252 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-00-354-4126. 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