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1541031-9 — BEARING UNIT,PLAIN

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

1541031-9: BEARING UNIT,PLAIN.

The BEARING UNIT,PLAIN is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY HOUSING, bore_diameter: 0.8750 INCHES NOMINAL IN, housing_width: 2.1200 INCHES NOMINAL IN, alignment_type: RIGID, shaft_end_type: OPEN, flange_thickness: 0.1250 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 3130-00-899-3944, 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
1541031-9
NSN: 3130-00-899-3944
FSC: 3130 — Bearings, Mounted
CAGE: 7EK50 — TEXTRON AVIATION INC (USA)
SPECIFICATIONS
materialALUMINUM ALLOY HOUSING
bore_diameter0.8750 INCHES NOMINAL IN
housing_width2.1200 INCHES NOMINAL IN
alignment_typeRIGID
shaft_end_typeOPEN
flange_thickness0.1250 INCHES NOMINAL IN
style_designatorFLANGE BLOCK
mounting_hole_typeROUND, UNTHREADED
bolt_circle_diameter1.5000 INCHES NOMINAL IN
mounting_hole_diameter0.1930 INCHES NOMINAL IN
NSN3130-00-899-3944
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 1541031-9 · 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 THICKNESS: 0.1250 INCHES NOMINAL IN
•
MOUNTING HOLE TYPE: ROUND, UNTHREADED
•
STYLE DESIGNATOR: FLANGE BLOCK
•
MOUNTING HOLE DIAMETER: 0.1930 INCHES NOMINAL IN
•
HOUSING WIDTH: 2.1200 INCHES NOMINAL IN
•
ALIGNMENT TYPE: RIGID
•
BOLT CIRCLE DIAMETER: 1.5000 INCHES NOMINAL IN
•
SHAFT END TYPE: OPEN
TECHNICAL CHARACTERISTICS
FLANGE THICKNESS0.1250 INCHES NOMINAL IN
MOUNTING HOLE TYPEROUND, UNTHREADED
STYLE DESIGNATORFLANGE BLOCK
MOUNTING HOLE DIAMETER0.1930 INCHES NOMINAL IN
HOUSING WIDTH2.1200 INCHES NOMINAL IN
ALIGNMENT TYPERIGID
BOLT CIRCLE DIAMETER1.5000 INCHES NOMINAL IN
SHAFT END TYPEOPEN
BORE DIAMETER0.8750 INCHES NOMINAL IN
MATERIALALUMINUM ALLOY HOUSING
OTHER ITEMS IN FSC 3130 — Bearings, Mounted
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
3130-00-001-5118 3130-00-001-5137 3130-00-001-6585 3130-00-003-0422 3130-00-003-0455 3130-00-003-0794 3130-00-003-2802 3130-00-003-9535
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 1541031-9?
1541031-9 is a BEARING UNIT,PLAIN.
What is the NSN for 1541031-9?
1541031-9 is cataloged in the U.S. Government catalog under NSN 3130-00-899-3944. 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.