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SB204-12-47M-2 — BEARING UNIT,BALL

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

SB204-12-47M-2: BEARING UNIT,BALL.

The BEARING UNIT,BALL is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, housing_diameter: 2.6250 INCHES NOMINAL IN, bolt_circle_diameter: 2.8125 INCHES NOMINAL IN, overall_outside_diameter: 3.5625 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 3130-01-398-8899, 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
SB204-12-47M-2
NSN: 3130-01-398-8899
FSC: 3130 — Bearings, Mounted
CAGE: 3D455 — ACTION BEARING CO INC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
housing_diameter2.6250 INCHES NOMINAL IN
bolt_circle_diameter2.8125 INCHES NOMINAL IN
overall_outside_diameter3.5625 INCHES NOMINAL IN
NSN3130-01-398-8899
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: SB204-12-47M-2 · 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
•
OVERALL OUTSIDE DIAMETER: 3.5625 INCHES NOMINAL IN
•
BOLT CIRCLE DIAMETER: 2.8125 INCHES NOMINAL IN
•
MATERIAL: STEEL OVERALL
•
HOUSING DIAMETER: 2.6250 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
OVERALL OUTSIDE DIAMETER3.5625 INCHES NOMINAL IN
BOLT CIRCLE DIAMETER2.8125 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
HOUSING DIAMETER2.6250 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES 1
1012306Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is SB204-12-47M-2?
SB204-12-47M-2 is a BEARING UNIT,BALL.
What parts can replace SB204-12-47M-2?
There is 1 known substitute for SB204-12-47M-2: 1012306. Substitute compatibility should be verified for your specific system.
What is the NSN for SB204-12-47M-2?
SB204-12-47M-2 is cataloged in the U.S. Government catalog under NSN 3130-01-398-8899. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.