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2182103 — HOUSING,BEARING UNIT

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

2182103: HOUSING,BEARING UNIT.

The HOUSING,BEARING UNIT is a the manufacturer industrial component. Key specifications include bore_diameter: 1.4990 INCHES MINIMUM AND 1.5010 INCHES MAXIMUM IN, shaft_end_type: OPEN, flange_thickness: 0.8125 INCHES NOMINAL IN, housing_diameter: 5.6875 INCHES NOMINAL IN, bolt_circle_diameter: 4.9375 INCHES NOMINAL IN, mounting_hole_diameter: 0.4062 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 3130-01-159-8645, 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
2182103
NSN: 3130-01-159-8645
FSC: 3130 — Bearings, Mounted
CAGE: 78222 — R. H. SHEPPARD CO., INC. DBA SHEPPARD (USA)
SPECIFICATIONS
bore_diameter1.4990 INCHES MINIMUM AND 1.5010 INCHES MAXIMUM IN
shaft_end_typeOPEN
flange_thickness0.8125 INCHES NOMINAL IN
housing_diameter5.6875 INCHES NOMINAL IN
bolt_circle_diameter4.9375 INCHES NOMINAL IN
mounting_hole_diameter0.4062 INCHES NOMINAL IN
NSN3130-01-159-8645
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 2182103 · 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: 0.8125 INCHES NOMINAL IN
•
MOUNTING HOLE DIAMETER: 0.4062 INCHES NOMINAL IN
•
BOLT CIRCLE DIAMETER: 4.9375 INCHES NOMINAL IN
•
SHAFT END TYPE: OPEN
•
BORE DIAMETER: 1.4990 INCHES MINIMUM AND 1.5010 INCHES MAXIMUM IN
•
HOUSING DIAMETER: 5.6875 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
FLANGE THICKNESS0.8125 INCHES NOMINAL IN
MOUNTING HOLE DIAMETER0.4062 INCHES NOMINAL IN
BOLT CIRCLE DIAMETER4.9375 INCHES NOMINAL IN
SHAFT END TYPEOPEN
BORE DIAMETER1.4990 INCHES MINIMUM AND 1.5010 INCHES MAXIMUM IN
HOUSING DIAMETER5.6875 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 1
2AL624Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 2182103?
2182103 is a HOUSING,BEARING UNIT.
What parts can replace 2182103?
There is 1 known substitute for 2182103: 2AL624. Substitute compatibility should be verified for your specific system.
What is the NSN for 2182103?
2182103 is cataloged in the U.S. Government catalog under NSN 3130-01-159-8645. 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.