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Technical Data Sheet
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1631726 — HOUSING,BEARING UNIT

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

1631726: HOUSING,BEARING UNIT.

The HOUSING,BEARING UNIT is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 3130-01-722-4167, 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
1631726
NSN: 3130-01-722-4167
FSC: 3130 — Bearings, Mounted
CAGE: 5X050 — CRYSTEEL MANUFACTURING, INC DBA CRYSTEEL MANUFACTURING INC (USA)
SPECIFICATIONS
Part Number1631726
NSN3130-01-722-4167
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 1631726 · 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
SUBSTITUTES & CROSS-REFERENCES 2
1631726 REV BReference document
Same NSN cross-reference
Reference document — Drawing number reference only
WP 1413 R00290-9-2320-459Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
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 1631726?
1631726 is a HOUSING,BEARING UNIT.
What parts can replace 1631726?
There are 2 known substitutes for 1631726: 1631726 REV B, WP 1413 R00290-9-2320-459. Substitute compatibility should be verified for your specific system.
What is the NSN for 1631726?
1631726 is cataloged in the U.S. Government catalog under NSN 3130-01-722-4167. This indicates validated use in U.S. government and defense supply chains.
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