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8M0342 — HOUSING,BEARING UNIT

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

8M0342: HOUSING,BEARING UNIT.

The HOUSING,BEARING UNIT is a the manufacturer industrial component. Key specifications include material: IRON CAST OVERALL, bore_diameter: 2.5030 INCHES NOMINAL IN, shaft_end_type: OPEN, mounting_hole_type: SLOTTED, mounting_hole_diameter: 0.5310 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 3130-00-948-3316, 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
8M0342
NSN: 3130-00-948-3316
FSC: 3130 — Bearings, Mounted
CAGE: 11083 — CATERPILLAR INC DIV CATERPILLAR DEFENSE (USA)
SPECIFICATIONS
materialIRON CAST OVERALL
bore_diameter2.5030 INCHES NOMINAL IN
shaft_end_typeOPEN
mounting_hole_typeSLOTTED
mounting_hole_diameter0.5310 INCHES NOMINAL IN
NSN3130-00-948-3316
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 8M0342 · 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
•
MOUNTING HOLE TYPE: SLOTTED
•
MOUNTING HOLE DIAMETER: 0.5310 INCHES NOMINAL IN
•
SHAFT END TYPE: OPEN
•
BORE DIAMETER: 2.5030 INCHES NOMINAL IN
•
MATERIAL: IRON CAST OVERALL
TECHNICAL CHARACTERISTICS
MOUNTING HOLE TYPESLOTTED
MOUNTING HOLE DIAMETER0.5310 INCHES NOMINAL IN
SHAFT END TYPEOPEN
BORE DIAMETER2.5030 INCHES NOMINAL IN
MATERIALIRON CAST OVERALL
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 1
8M342Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 8M0342?
8M0342 is a HOUSING,BEARING UNIT.
What parts can replace 8M0342?
There is 1 known substitute for 8M0342: 8M342. Substitute compatibility should be verified for your specific system.
What is the NSN for 8M0342?
8M0342 is cataloged in the U.S. Government catalog under NSN 3130-00-948-3316. 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.