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731258PC1 — ROLLER,LINEAR-ROTARY MOTION

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

731258PC1: ROLLER,LINEAR-ROTARY MOTION.

The ROLLER,LINEAR-ROTARY MOTION is a the manufacturer industrial component. Key specifications include material: STEEL, face_width: 0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN, outside_diameter: 0.995 INCHES MINIMUM AND 1.005 INCHES MAXIMUM IN, style_designator: PLAIN, bore_inside_diameter: 0.438 INCHES NOMINAL IN, casehardening_indicator: CASEHARDENED. This part is cataloged in the U.S.

Government catalog under NSN 3120-00-024-7954, 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
731258PC1
NSN: 3120-00-024-7954
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialSTEEL
face_width0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN
outside_diameter0.995 INCHES MINIMUM AND 1.005 INCHES MAXIMUM IN
style_designatorPLAIN
bore_inside_diameter0.438 INCHES NOMINAL IN
casehardening_indicatorCASEHARDENED
metallic_hardness_rating55.0 MINIMUM ROCKWELL C AND 60.0 MAXIMUM ROCKWELL C
NSN3120-00-024-7954
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 731258PC1 · 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
•
STYLE DESIGNATOR: PLAIN
•
OUTSIDE DIAMETER: 0.995 INCHES MINIMUM AND 1.005 INCHES MAXIMUM IN
•
CASEHARDENING INDICATOR: CASEHARDENED
•
MATERIAL: STEEL
•
FACE WIDTH: 0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN
•
METALLIC HARDNESS RATING: 55.0 MINIMUM ROCKWELL C AND 60.0 MAXIMUM ROCKWELL C
•
BORE INSIDE DIAMETER: 0.438 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
STYLE DESIGNATORPLAIN
OUTSIDE DIAMETER0.995 INCHES MINIMUM AND 1.005 INCHES MAXIMUM IN
CASEHARDENING INDICATORCASEHARDENED
MATERIALSTEEL
FACE WIDTH0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN
METALLIC HARDNESS RATING55.0 MINIMUM ROCKWELL C AND 60.0 MAXIMUM ROCKWELL C
BORE INSIDE DIAMETER0.438 INCHES NOMINAL 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 731258PC1?
731258PC1 is a ROLLER,LINEAR-ROTARY MOTION.
What is the NSN for 731258PC1?
731258PC1 is cataloged in the U.S. Government catalog under NSN 3120-00-024-7954. 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.