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MI48 — RESISTOR,VARIABLE,WIRE WOUND,NON

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

MI48: RESISTOR,VARIABLE,WIRE WOUND,NON.

RESISTOR,VARIABLE,WIRE WOUND,NON. Key specifications include bore_shape: STRAIGHTSTRAIGHT, bore_diameter: 2.9994 INCHES MINIMUM AND 2.9994 INCHES MINIMUM AND 3.0000 INCHES MAXIMUM3.0000 INCHES MAXIMUM IN, overall_width: 2.0050 INCHES MINIMUM AND 2.0050 INCHES MINIMUM AND 2.0100 INCHES MAXIMUM2.0100 INCHES MAXIMUM IN, surface_finish: GROUNDGROUND, style_designator: SOLID INNER RACE, JOURNAL AND NEEDLESOLID INNER RACE, JOURNAL AND NEEDLE, features_provided: LUBRICATION GROOVE AND LUBRICATION GROOVE AND LUBRICATION HOLELUBRICATION HOLE. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-166-0836, 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
MI48
NSN: 3110-00-166-0836
NIINs: 001660836, 013338151
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 39317 — MCGILL MANUFACTURING COMPANY INC USE CAGE CODE 92563 FOR CATALOGING. (USA)
SPECIFICATIONS
bore_shapeSTRAIGHTSTRAIGHT
bore_diameter2.9994 INCHES MINIMUM AND 2.9994 INCHES MINIMUM AND 3.0000 INCHES MAXIMUM3.0000 INCHES MAXIMUM IN
overall_width2.0050 INCHES MINIMUM AND 2.0050 INCHES MINIMUM AND 2.0100 INCHES MAXIMUM2.0100 INCHES MAXIMUM IN
surface_finishGROUNDGROUND
style_designatorSOLID INNER RACE, JOURNAL AND NEEDLESOLID INNER RACE, JOURNAL AND NEEDLE
features_providedLUBRICATION GROOVE AND LUBRICATION GROOVE AND LUBRICATION HOLELUBRICATION HOLE
overall_outside_diameter3.4978 INCHES MINIMUM AND 3.4978 INCHES MINIMUM AND 3.4987 INCHES MAXIMUM3.4987 INCHES MAXIMUM IN
NSN3110-00-166-0836
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: MI48 · 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
•
SURFACE FINISH: GROUND
•
SPECIAL TEST FEATURES: SPECIAL QUALITY CONTROL TESTING
•
STYLE DESIGNATOR: SOLID INNER RACE, WITH BORE CHAMFER, JOURNAL AND NEEDLE
•
OVERALL OUTSIDE DIAMETER: 3.4982 INCHES MINIMUM AND 3.4989 INCHES MAXIMUM IN
•
BORE SHAPE: STRAIGHT
•
TEST DATA DOCUMENT: 81349-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.).
TECHNICAL CHARACTERISTICS
SURFACE FINISHGROUND
SPECIAL TEST FEATURESSPECIAL QUALITY CONTROL TESTING
STYLE DESIGNATORSOLID INNER RACE, WITH BORE CHAMFER, JOURNAL AND NEEDLE
OVERALL WIDTH2.0000 INCHES NOMINAL IN
OVERALL OUTSIDE DIAMETER3.4982 INCHES MINIMUM AND 3.4989 INCHES MAXIMUM IN
BORE SHAPESTRAIGHT
SPECIAL FEATURESOIL HOLE AND GROOVE
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 DIAMETER2.9994 INCHES MINIMUM AND 3.0000 INCHES MAXIMUM IN
MATERIALSTEEL OVERALL
SUBSTITUTES & CROSS-REFERENCES 1
4211Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is MI48?
MI48 is a RESISTOR,VARIABLE,WIRE WOUND,NON.
What parts can replace MI48?
There is 1 known substitute for MI48: 4211. Substitute compatibility should be verified for your specific system.
What is the NSN for MI48?
MI48 is cataloged in the U.S. Government catalog under NSN 3110-00-166-0836. This indicates validated use in U.S. government and defense supply chains.
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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.