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4066742 — BEARING,PLAIN,SELF-ALIGNING

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

4066742: BEARING,PLAIN,SELF-ALIGNING.

The BEARING,PLAIN,SELF-ALIGNING is a the manufacturer industrial component. Key specifications include material: STEEL OUTER RACE MEMBER, bore_diameter: 0.1895 INCHES MINIMUM AND 0.1900 INCHES MAXIMUM IN, inner_member_width: 0.2790 INCHES MINIMUM AND 0.2810 INCHES MAXIMUM IN, outer_member_width: 0.2130 INCHES MINIMUM AND 0.2230 INCHES MAXIMUM IN, outer_member_outside_diameter: 0.5620 INCHES MINIMUM AND 0.5625 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 3120-01-237-0083, 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
4066742
NSN: 3120-01-237-0083
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 77445 — RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY (USA)
SPECIFICATIONS
materialSTEEL OUTER RACE MEMBER
bore_diameter0.1895 INCHES MINIMUM AND 0.1900 INCHES MAXIMUM IN
inner_member_width0.2790 INCHES MINIMUM AND 0.2810 INCHES MAXIMUM IN
outer_member_width0.2130 INCHES MINIMUM AND 0.2230 INCHES MAXIMUM IN
outer_member_outside_diameter0.5620 INCHES MINIMUM AND 0.5625 INCHES MAXIMUM IN
NSN3120-01-237-0083
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 4066742 · 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
•
INNER MEMBER WIDTH: 0.2790 INCHES MINIMUM AND 0.2810 INCHES MAXIMUM IN
•
OUTER MEMBER WIDTH: 0.2130 INCHES MINIMUM AND 0.2230 INCHES MAXIMUM IN
•
BORE DIAMETER: 0.1895 INCHES MINIMUM AND 0.1900 INCHES MAXIMUM IN
•
MATERIAL: STEEL COMP 440C INNER MEMBER
•
OUTER MEMBER OUTSIDE DIAMETER: 0.5620 INCHES MINIMUM AND 0.5625 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
INNER MEMBER WIDTH0.2790 INCHES MINIMUM AND 0.2810 INCHES MAXIMUM IN
OUTER MEMBER WIDTH0.2130 INCHES MINIMUM AND 0.2230 INCHES MAXIMUM IN
BORE DIAMETER0.1895 INCHES MINIMUM AND 0.1900 INCHES MAXIMUM IN
MATERIALSTEEL COMP 440C INNER MEMBER
MATERIALSTEEL OUTER RACE MEMBER
MATERIALPLASTIC POLYAMIDE NYLON RACE LINER
OUTER MEMBER OUTSIDE DIAMETER0.5620 INCHES MINIMUM AND 0.5625 INCHES MAXIMUM IN
OTHER ITEMS IN FSC 3120 — Bearings, Plain, Unmounted
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
3120-00-001-1288 3120-00-001-1835 3120-00-001-1838 3120-00-001-1928 3120-00-001-1934 3120-00-001-3933 3120-00-001-3937 3120-00-001-3938
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandDemilitarization required — critical (Q)
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FREQUENTLY ASKED QUESTIONS
What is 4066742?
4066742 is a BEARING,PLAIN,SELF-ALIGNING.
What is the NSN for 4066742?
4066742 is cataloged in the U.S. Government catalog under NSN 3120-01-237-0083. 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.