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774898-1 — HOUSING,BEARING UNIT

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

774898-1: HOUSING,BEARING UNIT.

The HOUSING,BEARING UNIT is a the manufacturer industrial component. Key specifications include bore_diameter: 1.4990 INCHES MINIMUM AND 1.5120 INCHES MAXIMUM IN, shaft_end_type: CLOSED OR OPEN, housing_diameter: 2.9900 INCHES MINIMUM AND 3.0100 INCHES MAXIMUM IN, special_features: RND MTG HOLE, bolt_circle_diameter: 2.6500 INCHES NOMINAL IN, mounting_hole_diameter: 0.1340 INCHES MINIMUM AND 0.1540 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 3130-01-103-7284, 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
774898-1
NSN: 3130-01-103-7284
FSC: 3130 — Bearings, Mounted
CAGE: 96214 — RAYTHEON COMPANY DBA RAYTHEON (USA)
SPECIFICATIONS
bore_diameter1.4990 INCHES MINIMUM AND 1.5120 INCHES MAXIMUM IN
shaft_end_typeCLOSED OR OPEN
housing_diameter2.9900 INCHES MINIMUM AND 3.0100 INCHES MAXIMUM IN
special_featuresRND MTG HOLE
bolt_circle_diameter2.6500 INCHES NOMINAL IN
mounting_hole_diameter0.1340 INCHES MINIMUM AND 0.1540 INCHES MAXIMUM IN
NSN3130-01-103-7284
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 774898-1 · 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
•
MOUNTING HOLE DIAMETER: 0.1340 INCHES MINIMUM AND 0.1540 INCHES MAXIMUM IN
•
BOLT CIRCLE DIAMETER: 2.6500 INCHES NOMINAL IN
•
SHAFT END TYPE: CLOSED OR OPEN
•
BORE DIAMETER: 1.4990 INCHES MINIMUM AND 1.5120 INCHES MAXIMUM IN
•
HOUSING DIAMETER: 2.9900 INCHES MINIMUM AND 3.0100 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
MOUNTING HOLE DIAMETER0.1340 INCHES MINIMUM AND 0.1540 INCHES MAXIMUM IN
BOLT CIRCLE DIAMETER2.6500 INCHES NOMINAL IN
SHAFT END TYPECLOSED OR OPEN
SPECIAL FEATURESRND MTG HOLE
BORE DIAMETER1.4990 INCHES MINIMUM AND 1.5120 INCHES MAXIMUM IN
HOUSING DIAMETER2.9900 INCHES MINIMUM AND 3.0100 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
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 774898-1?
774898-1 is a HOUSING,BEARING UNIT.
What is the NSN for 774898-1?
774898-1 is cataloged in the U.S. Government catalog under NSN 3130-01-103-7284. 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.