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237890 — HOUSING,MECHANICAL DRIVE

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

237890: HOUSING,MECHANICAL DRIVE.

The HOUSING,MECHANICAL DRIVE is a the manufacturer industrial component. Key specifications include end_item_identification: CRANE(RT41AA); 3810-01-144-4885. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-858-2544, 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
237890
NSN: 3110-00-858-2544
NIINs: 008582544, 011781989, 011832483
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 77445 — RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY (USA)
SPECIFICATIONS
end_item_identificationCRANE(RT41AA); 3810-01-144-4885
NSN3110-00-858-2544
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 237890 · 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
•
RETAINER FABRICATION METHOD: MACHINED
•
INTERNAL CLEARANCE: 0.0007 INCHES MINIMUM RADIAL AND 0.0013 INCHES MAXIMUM RADIAL IN
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SURFACE FINISH: GROUND
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STYLE DESIGNATOR: NON-LOADING GROOVE, NON-SEPARABLE
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MATERIAL DOCUMENT AND CLASSIFICATION: AMS 6440 ASSN STD SINGLE MATERIAL RESPONSE INNER RING
TECHNICAL CHARACTERISTICS
RETAINER FABRICATION METHODMACHINED
INTERNAL CLEARANCE0.0007 INCHES MINIMUM RADIAL AND 0.0013 INCHES MAXIMUM RADIAL IN
SURFACE FINISHGROUND
STYLE DESIGNATORNON-LOADING GROOVE, NON-SEPARABLE
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 6440 ASSN STD SINGLE MATERIAL RESPONSE INNER RING
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 6440 ASSN STD SINGLE MATERIAL RESPONSE BALL
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 4616 ASSN STD SINGLE MATERIAL RESPONSE RETAINER
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 6440 ASSN STD SINGLE MATERIAL RESPONSE OUTER RING
OVERALL WIDTH0.6613 INCHES NOMINAL IN
OVERALL OUTSIDE DIAMETER72.0000 MILLIMETERS NOMINAL MM
SUBSTITUTES & CROSS-REFERENCES 1
285779Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 237890?
237890 is a HOUSING,MECHANICAL DRIVE.
What parts can replace 237890?
There is 1 known substitute for 237890: 285779. Substitute compatibility should be verified for your specific system.
What is the NSN for 237890?
237890 is cataloged in the U.S. Government catalog under NSN 3110-00-858-2544. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
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.