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2175-23 ITEM 1 — BEARING UNIT,PLAIN

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

2175-23 ITEM 1: BEARING UNIT,PLAIN.

The BEARING UNIT,PLAIN is a the manufacturer industrial component. Key specifications include base_length: 3.5000 INCHES NOMINAL IN, bore_diameter: 5.5470 INCHES MINIMUM AND 5.5500 INCHES MAXIMUM IN, housing_width: 12.0000 INCHES NOMINAL IN, alignment_type: RIGID, housing_height: 7.2500 INCHES NOMINAL IN, housing_length: 4.0000 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 3130-01-276-8666, 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
2175-23 ITEM 1
NSN: 3130-01-276-8666
FSC: 3130 — Bearings, Mounted
CAGE: 43689 — HUNTINGTON INGALLS INC DIV NEWPORT NEWS SHIPBUILDING (USA)
SPECIFICATIONS
base_length3.5000 INCHES NOMINAL IN
bore_diameter5.5470 INCHES MINIMUM AND 5.5500 INCHES MAXIMUM IN
housing_width12.0000 INCHES NOMINAL IN
alignment_typeRIGID
housing_height7.2500 INCHES NOMINAL IN
housing_length4.0000 INCHES NOMINAL IN
shaft_end_typeOPEN
style_designatorPILLOW BLOCK, SOLID
mounting_hole_typeROUND, UNTHREADED
load_capability_typeRADIAL
mounting_hole_diameter1.2187 INCHES NOMINAL IN
height_from_bottom_of_base_to_bore_centerline3.7500 INCHES NOMINAL IN
NSN3130-01-276-8666
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 2175-23 ITEM 1 · 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: 7.2500 INCHES NOMINAL IN
•
MOUNTING HOLE TYPE: ROUND, UNTHREADED
•
STYLE DESIGNATOR: PILLOW BLOCK, SOLID
•
MOUNTING HOLE DIAMETER: 1.2187 INCHES NOMINAL IN
•
CENTER TO CENTER DISTANCE BETWEEN MOUNTING HOLES ALONG WIDTH: 9.5000 INCHES NOMINAL IN
•
HOUSING WIDTH: 12.0000 INCHES NOMINAL IN
•
BASE LENGTH: 3.5000 INCHES NOMINAL IN
•
ALIGNMENT TYPE: RIGID
TECHNICAL CHARACTERISTICS
HOUSING HEIGHT7.2500 INCHES NOMINAL IN
MOUNTING HOLE TYPEROUND, UNTHREADED
STYLE DESIGNATORPILLOW BLOCK, SOLID
MOUNTING HOLE DIAMETER1.2187 INCHES NOMINAL IN
CENTER TO CENTER DISTANCE BETWEEN MOUNTING HOLES ALONG WIDTH9.5000 INCHES NOMINAL IN
HOUSING WIDTH12.0000 INCHES NOMINAL IN
BASE LENGTH3.5000 INCHES NOMINAL IN
ALIGNMENT TYPERIGID
SHAFT END TYPEOPEN
BORE DIAMETER5.5470 INCHES MINIMUM AND 5.5500 INCHES MAXIMUM 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 2175-23 ITEM 1?
2175-23 ITEM 1 is a BEARING UNIT,PLAIN.
What is the NSN for 2175-23 ITEM 1?
2175-23 ITEM 1 is cataloged in the U.S. Government catalog under NSN 3130-01-276-8666. This indicates validated use in U.S. government and defense supply chains.
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