PartsTable
Technical Data Sheet
PartsTable / COMPONENT / OB5091
OB5091 ✓ Verified by PartsTable
— · 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 BUSHING,SLEEVE is a the manufacturer industrial component. Key specifications include end_item_identification: PUMP, MODELS 994,990,994R AND 990R. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-01-459-0143, 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
OB5091
NSN: 3120-01-459-0143
FSC: 3120
CAGE: 44408 — OBERDORFER FOUNDRIES INC (USA)
SPECIFICATIONS
end_item_identificationPUMP, MODELS 994,990,994R AND 990R
NSN3120-01-459-0143
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: OB5091 · 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
TECHNICAL CHARACTERISTICS (FLIS)
END ITEM IDENTIFICATIONPUMP, MODELS 994,990,994R AND 990R
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
5841Interchangeable
interchangeable cross-reference
interchangeable
509Interchangeable
interchangeable cross-reference
interchangeable
35-1009-SW-02B-XFW-0/5000LBInterchangeable
interchangeable cross-reference
interchangeable
644Interchangeable
interchangeable cross-reference
interchangeable
X5091Interchangeable
interchangeable cross-reference
interchangeable
16769Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
Ready to buy OB5091?
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 OB5091?
OB5091 is a BUSHING,SLEEVE.
What parts can replace OB5091?
There are 15 known substitutes for OB5091: 5841, 509, 35-1009-SW-02B-XFW-0/5000LB and 12 more. Substitute compatibility should be verified for your specific system.
What is the NSN for OB5091?
OB5091 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-01-459-0143. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Comments (0)
No comments yet. Be the first to share what you know.
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — OB5091

✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026