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12354710 — BEARING UNIT,PLAIN

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

12354710: BEARING UNIT,PLAIN.

The BEARING UNIT,PLAIN is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY 2024 AND PLASTIC POLYTETRAFLUOROETHYLENE BEARING, base_length: 4.250 INCHES NOMINAL IN, bore_diameter: 1.4383 INCHES MINIMUM AND 1.4393 INCHES MAXIMUM IN, housing_width: 6.750 INCHES NOMINAL IN, alignment_type: RIGID, base_thickness: 1.000 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 3130-01-254-5470, 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
12354710
NSN: 3130-01-254-5470
FSC: 3130 — Bearings, Mounted
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
materialALUMINUM ALLOY 2024 AND PLASTIC POLYTETRAFLUOROETHYLENE BEARING
base_length4.250 INCHES NOMINAL IN
bore_diameter1.4383 INCHES MINIMUM AND 1.4393 INCHES MAXIMUM IN
housing_width6.750 INCHES NOMINAL IN
alignment_typeRIGID
base_thickness1.000 INCHES NOMINAL IN
housing_height3.000 INCHES NOMINAL IN
housing_length4.250 INCHES NOMINAL IN
shaft_end_typeOPEN
special_featuresPROVIDED WITH 2 BEARING M81934/2-20A032 ONE ON EACH END OF HOUSING BORE
style_designatorPILLOW BLOCK, SOLID
surface_treatmentCHROMATE HOUSING
NSN3130-01-254-5470
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 12354710 · 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
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SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-C-5541,CLASS 1A MIL SPEC SINGLE TREATMENT RESPONSE HOUSING A
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HOUSING HEIGHT: 3.000 INCHES NOMINAL IN
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MOUNTING HOLE TYPE: ROUND, THREADED
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STYLE DESIGNATOR: PILLOW BLOCK, SOLID
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MATERIAL DOCUMENT AND CLASSIFICATION: QQ-A-200/3 FED SPEC 1ST MATERIAL RESPONSE OR QQ-A-225/6 FED SPEC 1ST MATERIAL RESPONSE BEARING
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CENTER TO CENTER DISTANCE BETWEEN MOUNTING HOLES ALONG WIDTH: 5.000 INCHES NOMINAL IN
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NOMINAL THREAD SIZE: 0.500 INCHES IN
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HOUSING WIDTH: 6.750 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-C-5541,CLASS 1A MIL SPEC SINGLE TREATMENT RESPONSE HOUSING A
HOUSING HEIGHT3.000 INCHES NOMINAL IN
MOUNTING HOLE TYPEROUND, THREADED
STYLE DESIGNATORPILLOW BLOCK, SOLID
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-200/3 FED SPEC 1ST MATERIAL RESPONSE OR QQ-A-225/6 FED SPEC 1ST MATERIAL RESPONSE BEARING
CENTER TO CENTER DISTANCE BETWEEN MOUNTING HOLES ALONG WIDTH5.000 INCHES NOMINAL IN
NOMINAL THREAD SIZE0.500 INCHES IN
HOUSING WIDTH6.750 INCHES NOMINAL IN
BASE LENGTH4.250 INCHES NOMINAL IN
ALIGNMENT TYPERIGID
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
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 12354710?
12354710 is a BEARING UNIT,PLAIN.
What is the NSN for 12354710?
12354710 is cataloged in the U.S. Government catalog under NSN 3130-01-254-5470. 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.