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11598654 — HOUSING,BEARING UNIT

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

11598654: HOUSING,BEARING UNIT.

The HOUSING,BEARING UNIT is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY 355.0 OVERALL, bore_diameter: 2.6250 INCHES NOMINAL IN, housing_width: 4.750 INCHES NOMINAL IN, style_designator: FLANGE BLOCK, end_item_identification: 2350-01-136-8744 CARRIER, material_document_and_classification: QQ-A-601 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 3130-00-933-6435, 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
11598654
NSN: 3130-00-933-6435
FSC: 3130 — Bearings, Mounted
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
materialALUMINUM ALLOY 355.0 OVERALL
bore_diameter2.6250 INCHES NOMINAL IN
housing_width4.750 INCHES NOMINAL IN
style_designatorFLANGE BLOCK
end_item_identification2350-01-136-8744 CARRIER
material_document_and_classificationQQ-A-601 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
center_to_center_distance_between_mounting_holes_along_side_of_a_square3.875 INCHES NOMINAL IN
NSN3130-00-933-6435
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 11598654 · 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: FLANGE BLOCK
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-A-601 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
•
HOUSING WIDTH: 4.750 INCHES NOMINAL IN
•
BORE DIAMETER: 2.6250 INCHES NOMINAL IN
•
MATERIAL: ALUMINUM ALLOY 355.0 OVERALL
•
CENTER TO CENTER DISTANCE BETWEEN MOUNTING HOLES ALONG SIDE OF A SQUARE: 3.875 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
STYLE DESIGNATORFLANGE BLOCK
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-601 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
HOUSING WIDTH4.750 INCHES NOMINAL IN
END ITEM IDENTIFICATION2350-01-136-8744 CARRIER
BORE DIAMETER2.6250 INCHES NOMINAL IN
MATERIALALUMINUM ALLOY 355.0 OVERALL
CENTER TO CENTER DISTANCE BETWEEN MOUNTING HOLES ALONG SIDE OF A SQUARE3.875 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 11598654?
11598654 is a HOUSING,BEARING UNIT.
What is the NSN for 11598654?
11598654 is cataloged in the U.S. Government catalog under NSN 3130-00-933-6435. 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.