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3130-B002-03189 — HOUSING,BEARING UNIT

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

3130-B002-03189: HOUSING,BEARING UNIT.

The HOUSING,BEARING UNIT is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY 957 OVERALL, base_length: 2.0000 INCHES NOMINAL IN, bore_diameter: 2.5000 INCHES NOMINAL IN, housing_width: 7.0000 INCHES NOMINAL IN, base_thickness: 1.8750 INCHES NOMINAL IN, housing_height: 4.2500 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 3130-01-447-3641, 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
3130-B002-03189
NSN: 3130-01-447-3641
FSC: 3130 — Bearings, Mounted
CAGE: 13873 — DLA AVIATION ENGINEERING DIV DEPARTMENT OF DEFENSE (USA)
SPECIFICATIONS
materialCOPPER ALLOY 957 OVERALL
base_length2.0000 INCHES NOMINAL IN
bore_diameter2.5000 INCHES NOMINAL IN
housing_width7.0000 INCHES NOMINAL IN
base_thickness1.8750 INCHES NOMINAL IN
housing_height4.2500 INCHES NOMINAL IN
housing_length2.2500 INCHES NOMINAL IN
style_designatorPILLOW BLOCK, SOLID
mounting_hole_typeROUND, UNTHREADED
mounting_hole_diameter0.8750 INCHES NOMINAL IN
height_from_bottom_of_base_to_bore_centerline2.0000 INCHES NOMINAL IN
center_to_center_distance_between_mounting_holes_along_width5.0000 INCHES NOMINAL IN
NSN3130-01-447-3641
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 3130-B002-03189 · 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
•
HOUSING HEIGHT: 4.2500 INCHES NOMINAL IN
•
MOUNTING HOLE TYPE: ROUND, UNTHREADED
•
STYLE DESIGNATOR: PILLOW BLOCK, SOLID
•
MOUNTING HOLE DIAMETER: 0.8750 INCHES NOMINAL IN
•
CENTER TO CENTER DISTANCE BETWEEN MOUNTING HOLES ALONG WIDTH: 5.0000 INCHES NOMINAL IN
•
HOUSING WIDTH: 7.0000 INCHES NOMINAL IN
•
BASE LENGTH: 2.0000 INCHES NOMINAL IN
•
BASE THICKNESS: 1.8750 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
HOUSING HEIGHT4.2500 INCHES NOMINAL IN
MOUNTING HOLE TYPEROUND, UNTHREADED
STYLE DESIGNATORPILLOW BLOCK, SOLID
MOUNTING HOLE DIAMETER0.8750 INCHES NOMINAL IN
CENTER TO CENTER DISTANCE BETWEEN MOUNTING HOLES ALONG WIDTH5.0000 INCHES NOMINAL IN
HOUSING WIDTH7.0000 INCHES NOMINAL IN
BASE LENGTH2.0000 INCHES NOMINAL IN
BASE THICKNESS1.8750 INCHES NOMINAL IN
BORE DIAMETER2.5000 INCHES NOMINAL IN
MATERIALCOPPER ALLOY 957 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
123-4403528 PART 10Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 3130-B002-03189?
3130-B002-03189 is a HOUSING,BEARING UNIT.
What parts can replace 3130-B002-03189?
There is 1 known substitute for 3130-B002-03189: 123-4403528 PART 10. Substitute compatibility should be verified for your specific system.
What is the NSN for 3130-B002-03189?
3130-B002-03189 is cataloged in the U.S. Government catalog under NSN 3130-01-447-3641. 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.