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RO0199 — BEARING,ROLLER,NEEDLE

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

RO0199: BEARING,ROLLER,NEEDLE.

The BEARING,ROLLER,NEEDLE is a the manufacturer industrial component. Key specifications include material: STEEL INNER RING, bore_diameter: 0.5000 INCHES NOMINAL IN, alignment_type: RIGID, inner_ring_width: 1.0615 INCHES MINIMUM AND 1.0630 INCHES MAXIMUM IN, outer_ring_width: 0.9950 INCHES MINIMUM AND 1.0000 INCHES MAXIMUM IN, style_designator: CAM ROLLER, HARDENED AND GROUND, NON-SEPARABLE. This part is cataloged in the U.S.

Government catalog under NSN 3110-01-112-6689, 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
RO0199
NSN: 3110-01-112-6689
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 13873 — DLA AVIATION ENGINEERING DIV DEPARTMENT OF DEFENSE (USA)
SPECIFICATIONS
materialSTEEL INNER RING
bore_diameter0.5000 INCHES NOMINAL IN
seal_quantity2
alignment_typeRIGID
inner_ring_width1.0615 INCHES MINIMUM AND 1.0630 INCHES MAXIMUM IN
outer_ring_width0.9950 INCHES MINIMUM AND 1.0000 INCHES MAXIMUM IN
style_designatorCAM ROLLER, HARDENED AND GROUND, NON-SEPARABLE
bearing_seal_typeCONTACT
special_test_featuresSPECIAL QUALITY CONTROL TESTING
overall_outside_diameter1.7490 INCHES MINIMUM AND 1.7500 INCHES MAXIMUM IN
criticality_code_justificationZZZY
reference_number_differentiating_characteristicsAS DIFFERENTIATED BY MATERIAL WHICH MUST CONFORM TO SHIPS PARTS CONTROL CENTER SPECIAL QUALITY CONTROL PROVISIONS AND CERTIFIED FREE FROM MERCURY CONTAMINATION
NSN3110-01-112-6689
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: RO0199 · OEM ⚠ VERIFY BEFORE ORDERING Cup and cone sold separately — verify you are ordering BOTH parts or the correct component. Always replace cup and cone together — mismatched wear = premature failure ✓ BROKER TIP Taper angle determines axial load capacity. Steeper angle = higher axial load rating. Timken series numbers indicate dimensions — cross-reference carefully PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
BEARING SEAL TYPE: CONTACT
•
OUTER RING WIDTH: 0.9950 INCHES MINIMUM AND 1.0000 INCHES MAXIMUM IN
•
SPECIAL TEST FEATURES: SPECIAL QUALITY CONTROL TESTING
•
CRITICALITY CODE JUSTIFICATION: ZZZY
•
STYLE DESIGNATOR: CAM ROLLER, HARDENED AND GROUND, NON-SEPARABLE
•
OVERALL OUTSIDE DIAMETER: 1.7490 INCHES MINIMUM AND 1.7500 INCHES MAXIMUM IN
•
ALIGNMENT TYPE: RIGID
•
SEAL QUANTITY: 2
TECHNICAL CHARACTERISTICS
BEARING SEAL TYPECONTACT
OUTER RING WIDTH0.9950 INCHES MINIMUM AND 1.0000 INCHES MAXIMUM IN
SPECIAL TEST FEATURESSPECIAL QUALITY CONTROL TESTING
CRITICALITY CODE JUSTIFICATIONZZZY
STYLE DESIGNATORCAM ROLLER, HARDENED AND GROUND, NON-SEPARABLE
OVERALL OUTSIDE DIAMETER1.7490 INCHES MINIMUM AND 1.7500 INCHES MAXIMUM IN
ALIGNMENT TYPERIGID
SEAL QUANTITY2
TEST DATA DOCUMENT81349-MIL-P-23199 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
BORE DIAMETER0.5000 INCHES NOMINAL IN
OTHER ITEMS IN FSC 3110 — Bearings, Antifriction, Unmounted
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
3110-00-001-1937 3110-00-001-1938 3110-00-001-4661 3110-00-001-4662 3110-00-001-4689 3110-00-001-4722
SUBSTITUTES & CROSS-REFERENCES 2
1159F98 ITEM 42Reference document
Same NSN cross-reference
Reference document — Secondary reference
CYR-1.75-SReference document
Same NSN cross-reference
Reference document — Design control — primary reference
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 RO0199?
RO0199 is a BEARING,ROLLER,NEEDLE.
What parts can replace RO0199?
There are 2 known substitutes for RO0199: 1159F98 ITEM 42, CYR-1.75-S. Substitute compatibility should be verified for your specific system.
What is the NSN for RO0199?
RO0199 is cataloged in the U.S. Government catalog under NSN 3110-01-112-6689. This indicates validated use in U.S. government and defense supply chains.
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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.