PartsTable
Technical Data Sheet
PartsTable / COMPONENT / MR18
MR18 ✓ Verified by PartsTable
— · TAPERED BEARING
WHAT YOU NEED TO KNOW
Cup and cone sold separately — confirm both needed Timken series numbers indicate dimensions
Cup and cone NOT sold as set — verify order
PRODUCT OVERVIEW

The COIL,RADIO FREQUENCY is a the manufacturer industrial component. Key specifications include material: STEEL RETAINER, body_length: 0.390 INCHES MINIMUM AND 0.430 INCHES MAXIMUM IN, bore_diameter: 1.1250 INCHES NOMINAL IN, overall_width: 1.2500 INCHES NOMINAL IN, rating_method: ELECTRICAL SINGLE COMPONENT SINGLE WINDING, alignment_type: RIGID. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-227-3243, 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
MR18
NSN: 3110-00-227-3243
FSC: 3110
CAGE: 92563 — MCGILL MANUFACTURING CO, INC (USA)
SPECIFICATIONS
materialSTEEL RETAINER
body_length0.390 INCHES MINIMUM AND 0.430 INCHES MAXIMUM IN
bore_diameter1.1250 INCHES NOMINAL IN
overall_width1.2500 INCHES NOMINAL IN
rating_methodELECTRICAL SINGLE COMPONENT SINGLE WINDING
alignment_typeRIGID
coil_form_typeSOLID SINGLE COMPONENT
inclosure_typeFULLY INCLOSED
quality_factor44 MINIMUM SINGLE COMPONENT SINGLE WINDING
surface_finishGROUND
mounting_methodTERMINAL SINGLE GROUP
overall_diameter0.152 INCHES MINIMUM AND 0.172 INCHES MAXIMUM IN
NSN3110-00-227-3243
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: MR18 · 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
•
BORE DIAMETER: 1.1250 INCHES NOMINAL IN
•
SURFACE FINISH: GROUND
•
OVERALL OUTSIDE DIAMETER: 1.6250 INCHES NOMINAL IN
•
MATERIAL: STEEL RETAINER
•
STYLE DESIGNATOR: NON-SEPARABLE, WITH ROLLER RETAINER, HARDENED AND GROUND
•
STANDARD TOLERANCE DESIGNATION: AFBMA STD TOLERANCE FOR INDUSTRIAL NEEDLE BEARINGS
TECHNICAL CHARACTERISTICS (FLIS)
SPECIAL FEATURESOIL HOLE AND OIL GROOVE IN OUTER RING ALSO MFR STANDARD RETAINER
BORE DIAMETER1.1250 INCHES NOMINAL IN
SURFACE FINISHGROUND
OVERALL OUTSIDE DIAMETER1.6250 INCHES NOMINAL IN
MATERIALSTEEL RETAINER
MATERIALSTEEL ROLLER
STYLE DESIGNATORNON-SEPARABLE, WITH ROLLER RETAINER, HARDENED AND GROUND
STANDARD TOLERANCE DESIGNATIONAFBMA STD TOLERANCE FOR INDUSTRIAL NEEDLE BEARINGS
MATERIALSTEEL OUTER RING
RETAINER FABRICATION METHODPRESSED
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
GGG-D-296Interchangeable
interchangeable cross-reference
interchangeable
31213Interchangeable
interchangeable cross-reference
interchangeable
1195Interchangeable
interchangeable cross-reference
interchangeable
23-361Interchangeable
interchangeable cross-reference
interchangeable
120240Interchangeable
interchangeable cross-reference
interchangeable
104725Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MR18?
MR18 is a COIL,RADIO FREQUENCY.
What parts can replace MR18?
There are 18 known substitutes for MR18: GGG-D-296, 31213, 1195 and 15 more. Substitute compatibility should be verified for your specific system.
Is MR18 still available?
MR18 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