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Technical Data Sheet
PartsTable / COMPONENT / NPL-191 3/16
NPL-191 3/16 ✓ 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 NPL-191 3/16 is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3130-00-190-9359, 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
NPL-191 3/16
NSN: 3130-00-190-9359
FSC: 3130
CAGE: 57448 — STEPHENS-ADAMSON INC A SUB OF ALLIS-CHALMERS CORP (USA)
SPECIFICATIONS
Part NumberNPL-191 3/16
NSN3130-00-190-9359
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: NPL-191 3/16 · 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
•
HOUSING HEIGHT: 3.1562 INCHES NOMINAL IN
•
FEATURES PROVIDED: GROUND ROLLING ELEMENT GROOVE
•
CENTER TO CENTER DISTANCE BETWEEN MOUNTING HOLES ALONG WIDTH: 4.7500 INCHES NOMINAL IN
•
MATERIAL: IRON CAST HOUSING
•
LUBRICATION FITTING ANGLE FROM HORIZONTAL CENTERLINE: 90.0 DEGREES NOMINAL
•
ROLLING ELEMENT GROOVE QUANTITY: 1
•
BLOCK TYPE: FIXED
•
LUBRICATION MATERIAL: GREASE
TECHNICAL CHARACTERISTICS (FLIS)
HOUSING HEIGHT3.1562 INCHES NOMINAL IN
FEATURES PROVIDEDGROUND ROLLING ELEMENT GROOVE
CENTER TO CENTER DISTANCE BETWEEN MOUNTING HOLES ALONG WIDTH4.7500 INCHES NOMINAL IN
MATERIALIRON CAST HOUSING
LUBRICATION FITTING ANGLE FROM HORIZONTAL CENTERLINE90.0 DEGREES NOMINAL
ROLLING ELEMENT GROOVE QUANTITY1
BLOCK TYPEFIXED
LUBRICATION MATERIALGREASE
HEIGHT FROM BOTTOM OF BASE TO BORE CENTERLINE1.5625 INCHES NOMINAL IN
LUBRICATION FITTING ANGLE FROM HORIZONTAL CENTERLINE90.0 DEGREES NOMINAL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 19
06930Interchangeable
interchangeable cross-reference
interchangeable
3531200004Interchangeable
interchangeable cross-reference
interchangeable
A02HS165-1Interchangeable
interchangeable cross-reference
interchangeable
GGG-F-325 TY11STBInterchangeable
interchangeable cross-reference
interchangeable
S-519-MInterchangeable
interchangeable cross-reference
interchangeable
S-519Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is NPL-191 3/16?
NPL-191 3/16 is a NPL-191 3/16.
What parts can replace NPL-191 3/16?
There are 19 known substitutes for NPL-191 3/16: 06930, 3531200004, A02HS165-1 and 16 more. Substitute compatibility should be verified for your specific system.
Is NPL-191 3/16 still available?
NPL-191 3/16 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026