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Technical Data Sheet
PartsTable / COMPONENT / 5244951
5244951 ✓ 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: STEEL COMP 1117 OVERALL, corner_shape: SQUARE ALL CORNERS, hole_diameter: 0.1562 INCHES NOMINAL FIRST IN, material_document_and_classification: QQ-S-633 FED SPEC SINGLE MATERIAL RESPONSE OVERALL, antirotation/lubrication_type_and_quantity: 4 HOLE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-00-350-3780, 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
5244951
NSN: 3120-00-350-3780
FSC: 3120
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
materialSTEEL COMP 1117 OVERALL
corner_shapeSQUARE ALL CORNERS
hole_diameter0.1562 INCHES NOMINAL FIRST IN
material_document_and_classificationQQ-S-633 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
antirotation/lubrication_type_and_quantity4 HOLE
NSN3120-00-350-3780
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 5244951 · 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
•
ANTIROTATION/LUBRICATION TYPE AND QUANTITY: 4 HOLE
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-633 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
HOLE DIAMETER: 0.1562 INCHES NOMINAL FIRST IN
•
MATERIAL: STEEL COMP 1117 OVERALL
•
CORNER SHAPE: SQUARE ALL CORNERS
TECHNICAL CHARACTERISTICS (FLIS)
ANTIROTATION/LUBRICATION TYPE AND QUANTITY4 HOLE
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-633 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
HOLE DIAMETER0.1562 INCHES NOMINAL FIRST IN
MATERIALSTEEL COMP 1117 OVERALL
CORNER SHAPESQUARE ALL CORNERS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 2
21443-1Interchangeable
interchangeable cross-reference
interchangeable
32610001Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 5244951?
5244951 is a BEARING,SLEEVE.
What parts can replace 5244951?
There are 2 known substitutes for 5244951: 21443-1, 32610001. Substitute compatibility should be verified for your specific system.
What is the NSN for 5244951?
5244951 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-00-350-3780. 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