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Technical Data Sheet
PartsTable / COMPONENT / KMDB8-15
KMDB8-15 ✓ 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,PLAIN,SELF-ALIGNING is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, thickness: 0.016 INCHES NOMINAL IN, body_style: BLOCK TYPE, body_height: 5.040 INCHES MAXIMUM IN, body_length: 6.250 INCHES MAXIMUM IN, hole_diameter: 0.075 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-01-040-4864, 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
KMDB8-15
NSN: 3120-01-040-4864
FSC: 3120
CAGE: 97613 — SARGENT AEROSPACE & DEFENSE, LLC DBA KAHR BEARINGS (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
thickness0.016 INCHES NOMINAL IN
body_styleBLOCK TYPE
body_height5.040 INCHES MAXIMUM IN
body_length6.250 INCHES MAXIMUM IN
hole_diameter0.075 INCHES NOMINAL IN
overall_width0.563 INCHES NOMINAL IN
inclosure_typeFULLY INCLOSED
inside_diameter2.000 INCHES MINIMUM AND 7.120 INCHES MAXIMUM IN
mounting_methodSLOT SINGLE GROUP
terminal_designFEEDTHRU
frequency_rating50.0 HERTZ NOMINAL OR 60.0 HERTZ NOMINAL SINGLE COMPONENT
NSN3120-01-040-4864
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: KMDB8-15 · 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
331B7361-1Interchangeable
interchangeable cross-reference
interchangeable
56104Interchangeable
interchangeable cross-reference
interchangeable
70524C1Interchangeable
interchangeable cross-reference
interchangeable
SE128CInterchangeable
interchangeable cross-reference
interchangeable
5610-4-15Interchangeable
interchangeable cross-reference
interchangeable
950139-31Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is KMDB8-15?
KMDB8-15 is a BEARING,PLAIN,SELF-ALIGNING.
What parts can replace KMDB8-15?
There are 11 known substitutes for KMDB8-15: 331B7361-1, 56104, 70524C1 and 8 more. Substitute compatibility should be verified for your specific system.
Is KMDB8-15 still available?
KMDB8-15 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026