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1B1-1025 — BEARING,SLEEVE

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

1B1-1025: BEARING,SLEEVE.

The BEARING,SLEEVE is a the manufacturer industrial component. Key specifications include flange_width: 0.0230 INCHES MINIMUM AND 0.0270 INCHES MAXIMUM IN, overall_length: 0.1760 INCHES MINIMUM AND 0.1860 INCHES MAXIMUM IN, body_inside_diameter: 0.1890 INCHES MINIMUM AND 0.1910 INCHES MAXIMUM IN, body_outside_diameter: 0.2350 INCHES MINIMUM AND 0.2370 INCHES MAXIMUM IN, flange_outside_diameter: 0.2720 INCHES MINIMUM AND 0.2760 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 3120-00-910-9709, 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
1B1-1025
NSN: 3120-00-910-9709
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 52223 — KONICA BUSINESS MACHINES U S A INC (USA)
SPECIFICATIONS
flange_width0.0230 INCHES MINIMUM AND 0.0270 INCHES MAXIMUM IN
overall_length0.1760 INCHES MINIMUM AND 0.1860 INCHES MAXIMUM IN
body_inside_diameter0.1890 INCHES MINIMUM AND 0.1910 INCHES MAXIMUM IN
body_outside_diameter0.2350 INCHES MINIMUM AND 0.2370 INCHES MAXIMUM IN
flange_outside_diameter0.2720 INCHES MINIMUM AND 0.2760 INCHES MAXIMUM IN
NSN3120-00-910-9709
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 1B1-1025 · 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
•
FLANGE OUTSIDE DIAMETER: 0.2720 INCHES MINIMUM AND 0.2760 INCHES MAXIMUM IN
•
BODY OUTSIDE DIAMETER: 0.2350 INCHES MINIMUM AND 0.2370 INCHES MAXIMUM IN
•
BODY INSIDE DIAMETER: 0.1890 INCHES MINIMUM AND 0.1910 INCHES MAXIMUM IN
•
FLANGE WIDTH: 0.0230 INCHES MINIMUM AND 0.0270 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
FLANGE OUTSIDE DIAMETER0.2720 INCHES MINIMUM AND 0.2760 INCHES MAXIMUM IN
BODY OUTSIDE DIAMETER0.2350 INCHES MINIMUM AND 0.2370 INCHES MAXIMUM IN
OVERALL LENGTH0.1760 INCHES MINIMUM AND 0.1860 INCHES MAXIMUM IN
BODY INSIDE DIAMETER0.1890 INCHES MINIMUM AND 0.1910 INCHES MAXIMUM IN
FLANGE WIDTH0.0230 INCHES MINIMUM AND 0.0270 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: Terminal item — stock exhausted; no further procurementNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 1B1-1025?
1B1-1025 is a BEARING,SLEEVE.
What is the NSN for 1B1-1025?
1B1-1025 is cataloged in the U.S. Government catalog under NSN 3120-00-910-9709. 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.