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Technical Data Sheet
PartsTable / COMPONENT / 8720508
8720508 ✓ 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 UNS J03001 OVERALL, corner_shape: SQUARE ALL CORNERS, hole_diameter: 0.1250 INCHES NOMINAL FIRST IN, overall_length: 1.2300 INCHES MINIMUM AND 1.2400 INCHES MAXIMUM IN, style_designator: SOLID, PLAIN, NO OUTSIDE FLANGES, body_inside_diameter: 0.7520 INCHES MINIMUM AND 0.7570 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 3120-00-529-8467, 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
8720508
NSN: 3120-00-529-8467
FSC: 3120
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
materialSTEEL UNS J03001 OVERALL
corner_shapeSQUARE ALL CORNERS
hole_diameter0.1250 INCHES NOMINAL FIRST IN
overall_length1.2300 INCHES MINIMUM AND 1.2400 INCHES MAXIMUM IN
style_designatorSOLID, PLAIN, NO OUTSIDE FLANGES
body_inside_diameter0.7520 INCHES MINIMUM AND 0.7570 INCHES MAXIMUM IN
body_outside_diameter1.0010 INCHES MINIMUM AND 1.0015 INCHES MAXIMUM IN
lubricant_accommodation_styleINDENTED BALL
material_document_and_classificationQQ-S-681 FED SPEC ALL MATERIAL RESPONSES OVERALL
antirotation/lubrication_type_and_quantity1 HOLE
NSN3120-00-529-8467
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 8720508 · 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: 1 HOLE
•
BODY INSIDE DIAMETER: 0.7520 INCHES MINIMUM AND 0.7570 INCHES MAXIMUM IN
•
MATERIAL: STEEL UNS J03001 OVERALL
•
CORNER SHAPE: SQUARE ALL CORNERS
•
LUBRICANT ACCOMMODATION STYLE: INDENTED BALL
•
STYLE DESIGNATOR: SOLID, PLAIN, NO OUTSIDE FLANGES
•
BODY OUTSIDE DIAMETER: 1.0010 INCHES MINIMUM AND 1.0015 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL LENGTH1.2300 INCHES MINIMUM AND 1.2400 INCHES MAXIMUM IN
ANTIROTATION/LUBRICATION TYPE AND QUANTITY1 HOLE
BODY INSIDE DIAMETER0.7520 INCHES MINIMUM AND 0.7570 INCHES MAXIMUM IN
MATERIALSTEEL UNS J03001 OVERALL
CORNER SHAPESQUARE ALL CORNERS
LUBRICANT ACCOMMODATION STYLEINDENTED BALL
STYLE DESIGNATORSOLID, PLAIN, NO OUTSIDE FLANGES
BODY OUTSIDE DIAMETER1.0010 INCHES MINIMUM AND 1.0015 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-681 FED SPEC ALL MATERIAL RESPONSES OVERALL
HOLE DIAMETER0.1250 INCHES NOMINAL FIRST IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
01799Interchangeable
interchangeable cross-reference
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1799Interchangeable
interchangeable cross-reference
interchangeable
A12184Interchangeable
interchangeable cross-reference
interchangeable
68A870086-1013Interchangeable
interchangeable cross-reference
interchangeable
002391799Interchangeable
interchangeable cross-reference
interchangeable
0002391799Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 8720508?
8720508 is a BEARING,SLEEVE.
What parts can replace 8720508?
There are 11 known substitutes for 8720508: 01799, 1799, A12184 and 8 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 8720508?
8720508 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-00-529-8467. 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