PartsTable
Technical Data Sheet
Download PDF

0850-01-000-0031 — Technical Data Sheet

✓ Government record, cited
— · BALL BEARING
WHAT YOU NEED TO KNOW
2RS = sealed for life, ZZ = shielded re-greaseable ABEC grade: higher = tighter tolerance
ABEC-1 standard, ABEC-7+ for precision spindles
PRODUCT OVERVIEW

The HOUSING,BEARING UNIT is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY 903 OVERALL, bore_diameter: 2.8348 INCHES NOMINAL IN, housing_length: 2.6875 INCHES NOMINAL IN, shaft_end_type: OPEN, housing_diameter: 4.1250 INCHES NOMINAL IN, material_document_and_classification: MIL-M-16576 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 3130-00-701-5779, 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
0850-01-000-0031
NSN: 3130-00-701-5779
FSC: 3130 — Bearings, Mounted
CAGE: 25681 — ITT GOULDS PUMPS, INC. (USA)
SPECIFICATIONS
materialCOPPER ALLOY 903 OVERALL
bore_diameter2.8348 INCHES NOMINAL IN
housing_length2.6875 INCHES NOMINAL IN
shaft_end_typeOPEN
housing_diameter4.1250 INCHES NOMINAL IN
material_document_and_classificationMIL-M-16576 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN3130-00-701-5779
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 0850-01-000-0031 · 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
•
STYLE DESIGNATOR: SPHERICAL CARTRIDGE
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-M-16576 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
•
SHAFT END TYPE: OPEN
•
BORE DIAMETER: 2.8348 INCHES NOMINAL IN
•
MATERIAL: COPPER ALLOY 903 OVERALL
•
HOUSING LENGTH: 2.6875 INCHES NOMINAL IN
•
HOUSING DIAMETER: 4.1250 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
STYLE DESIGNATORSPHERICAL CARTRIDGE
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-M-16576 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
SHAFT END TYPEOPEN
BORE DIAMETER2.8348 INCHES NOMINAL IN
MATERIALCOPPER ALLOY 903 OVERALL
HOUSING LENGTH2.6875 INCHES NOMINAL IN
HOUSING DIAMETER4.1250 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 2
08-500-100PC31Reference document
Same NSN cross-reference
Reference document — Secondary reference
HM40822Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required
Ready to buy 0850-01-000-0031?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 0850-01-000-0031?
0850-01-000-0031 is a HOUSING,BEARING UNIT.
What parts can replace 0850-01-000-0031?
There are 2 known substitutes for 0850-01-000-0031: 08-500-100PC31, HM40822. Substitute compatibility should be verified for your specific system.
What is the NSN for 0850-01-000-0031?
0850-01-000-0031 is cataloged in the U.S. Government catalog under NSN 3130-00-701-5779. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 0850-01-000-0031

✓ 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.