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781E840P9 — ROLLER,LINEAR-ROTARY MOTION

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

781E840P9: ROLLER,LINEAR-ROTARY MOTION.

The ROLLER,LINEAR-ROTARY MOTION is a the manufacturer industrial component. Key specifications include material: STEEL, face_width: 0.760 INCHES NOMINAL IN, bore_length: 0.920 INCHES MINIMUM AND 0.922 INCHES MAXIMUM IN, hub_diameter: 1.000 INCHES NOMINAL IN, outside_diameter: 2.000 INCHES NOMINAL IN, style_designator: PLAIN, PROTRUDING HUBS. This part is cataloged in the U.S.

Government catalog under NSN 3120-01-043-8534, 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
781E840P9
NSN: 3120-01-043-8534
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 01289 — GENERAL ELECTRIC COMPANY (USA)
SPECIFICATIONS
materialSTEEL
face_width0.760 INCHES NOMINAL IN
bore_length0.920 INCHES MINIMUM AND 0.922 INCHES MAXIMUM IN
hub_diameter1.000 INCHES NOMINAL IN
outside_diameter2.000 INCHES NOMINAL IN
style_designatorPLAIN, PROTRUDING HUBS
bore_inside_diameter0.593 INCHES MINIMUM AND 0.594 INCHES MAXIMUM IN
casehardening_indicatorNOT CASEHARDENED
NSN3120-01-043-8534
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 781E840P9 · 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
•
HUB DIAMETER: 1.000 INCHES NOMINAL IN
•
BORE LENGTH: 0.920 INCHES MINIMUM AND 0.922 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: PLAIN, PROTRUDING HUBS
•
OUTSIDE DIAMETER: 2.000 INCHES NOMINAL IN
•
CASEHARDENING INDICATOR: NOT CASEHARDENED
•
MATERIAL: STEEL
•
FACE WIDTH: 0.760 INCHES NOMINAL IN
•
BORE INSIDE DIAMETER: 0.593 INCHES MINIMUM AND 0.594 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
HUB DIAMETER1.000 INCHES NOMINAL IN
BORE LENGTH0.920 INCHES MINIMUM AND 0.922 INCHES MAXIMUM IN
STYLE DESIGNATORPLAIN, PROTRUDING HUBS
OUTSIDE DIAMETER2.000 INCHES NOMINAL IN
CASEHARDENING INDICATORNOT CASEHARDENED
MATERIALSTEEL
FACE WIDTH0.760 INCHES NOMINAL IN
BORE INSIDE DIAMETER0.593 INCHES MINIMUM AND 0.594 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: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 781E840P9?
781E840P9 is a ROLLER,LINEAR-ROTARY MOTION.
What is the NSN for 781E840P9?
781E840P9 is cataloged in the U.S. Government catalog under NSN 3120-01-043-8534. 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.