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12552366 — HOUSING,BEARING UNIT

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

12552366: HOUSING,BEARING UNIT.

The HOUSING,BEARING UNIT is a the manufacturer industrial component. Key specifications include material: IRON CAST OVERALL, bore_diameter: 1.5700 INCHES NOMINAL IN, housing_length: 0.7600 INCHES NOMINAL IN, flange_thickness: 0.2500 INCHES NOMINAL IN, housing_diameter: 3.8740 INCHES NOMINAL IN, style_designator: FLANGE BLOCK. This part is cataloged in the U.S.

Government catalog under NSN 3130-01-667-8980, 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
12552366
NSN: 3130-01-667-8980
FSC: 3130 — Bearings, Mounted
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
materialIRON CAST OVERALL
bore_diameter1.5700 INCHES NOMINAL IN
housing_length0.7600 INCHES NOMINAL IN
flange_thickness0.2500 INCHES NOMINAL IN
housing_diameter3.8740 INCHES NOMINAL IN
style_designatorFLANGE BLOCK
bolt_circle_diameter3.6420 INCHES NOMINAL IN
end_item_identificationNSN:2520-01-663-0099
overall_outside_diameter4.7200 INCHES NOMINAL IN
part_name_assigned_by_controlling_agencyRETAINER BEARING,GENERATOR DRIVEN,BEVEL GEAR.
NSN3130-01-667-8980
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 12552366 · 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: 0.2500 INCHES NOMINAL IN
•
STYLE DESIGNATOR: FLANGE BLOCK
•
OVERALL OUTSIDE DIAMETER: 4.7200 INCHES NOMINAL IN
•
BOLT CIRCLE DIAMETER: 3.6420 INCHES NOMINAL IN
•
BORE DIAMETER: 1.5700 INCHES NOMINAL IN
•
MATERIAL: IRON CAST OVERALL
TECHNICAL CHARACTERISTICS
FLANGE THICKNESS0.2500 INCHES NOMINAL IN
STYLE DESIGNATORFLANGE BLOCK
OVERALL OUTSIDE DIAMETER4.7200 INCHES NOMINAL IN
BOLT CIRCLE DIAMETER3.6420 INCHES NOMINAL IN
PART NAME ASSIGNED BY CONTROLLING AGENCYRETAINER BEARING,GENERATOR DRIVEN,BEVEL GEAR.
END ITEM IDENTIFICATIONNSN:2520-01-663-0099
BORE DIAMETER1.5700 INCHES NOMINAL IN
MATERIALIRON CAST OVERALL
HOUSING LENGTH0.7600 INCHES NOMINAL IN
HOUSING DIAMETER3.8740 INCHES NOMINAL IN
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: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 12552366?
12552366 is a HOUSING,BEARING UNIT.
What is the NSN for 12552366?
12552366 is cataloged in the U.S. Government catalog under NSN 3130-01-667-8980. 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.