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Technical Data Sheet
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A74149 — LINER,BEARING HOUSING

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

A74149: LINER,BEARING HOUSING.

The LINER,BEARING HOUSING is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 3130-00-337-7400, 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
A74149
NSN: 3130-00-337-7400
FSC: 3130 — Bearings, Mounted
CAGE: 78047 — CAPITOL ENGINE CO, INC DBA SALMINI WORLDWIDE (USA)
SPECIFICATIONS
general_characteristics_item_descriptionSTEEL O/A; 1.908 IN. OD; 1.640 IN. ID; 2.128 IN. LENGTH; INNER AND OUTER SURFACE GROUND FINISH; RING GROOVE ON INNER SURFACE BOTH ENDS 0.062 IN. WIDE; 1.750 IN. RING GROOVE DIA IN
NSN3130-00-337-7400
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: A74149 · 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
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GENERAL CHARACTERISTICS ITEM DESCRIPTION: STEEL O/A; 1.908 IN. OD; 1.640 IN. ID; 2.128 IN. LENGTH; INNER AND OUTER SURFACE GROUND FINISH; RING GROOVE ON INNER SURFACE BOTH ENDS 0.062 IN. WIDE; 1.750 IN. RING GROOVE DIA IN
TECHNICAL CHARACTERISTICS
GENERAL CHARACTERISTICS ITEM DESCRIPTIONSTEEL O/A; 1.908 IN. OD; 1.640 IN. ID; 2.128 IN. LENGTH; INNER AND OUTER SURFACE GROUND FINISH; RING GROOVE ON INNER SURFACE BOTH ENDS 0.062 IN. WIDE; 1.750 IN. RING GROOVE DIA 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 A74149?
A74149 is a LINER,BEARING HOUSING.
What is the NSN for A74149?
A74149 is cataloged in the U.S. Government catalog under NSN 3130-00-337-7400. This indicates validated use in U.S. government and defense supply chains.
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