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5M9644 — BEARING,ROLLER,CYLINDRICAL

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

5M9644: BEARING,ROLLER,CYLINDRICAL.

The BEARING,ROLLER,CYLINDRICAL is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, bore_diameter: 1.7338 INCHES MINIMUM AND 1.7344 INCHES MAXIMUM IN, overall_width: 0.6643 INCHES MINIMUM AND 0.6693 INCHES MAXIMUM IN, surface_finish: GROUND, special_features: 9/32 IN. BLIND HOLE IN OD,0.3350 IN.

IN FROM FIXED FLANGE EDGE ON OUTER RING IN, overall_outside_diameter: 2.8354 INCHES MINIMUM AND 2.8359 INCHES MAXIMUM IN. This part is cataloged in the U.S. Government catalog under NSN 3110-00-446-9688, 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
5M9644
NSN: 3110-00-446-9688
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 11083 — CATERPILLAR INC DIV CATERPILLAR DEFENSE (USA)
SPECIFICATIONS
materialSTEEL OVERALL
bore_diameter1.7338 INCHES MINIMUM AND 1.7344 INCHES MAXIMUM IN
overall_width0.6643 INCHES MINIMUM AND 0.6693 INCHES MAXIMUM IN
surface_finishGROUND
special_features9/32 IN. BLIND HOLE IN OD,0.3350 IN. IN FROM FIXED FLANGE EDGE ON OUTER RING IN
overall_outside_diameter2.8354 INCHES MINIMUM AND 2.8359 INCHES MAXIMUM IN
material_document_and_classification4118H,FSCM 08162 MFR REF SINGLE MATERIAL RESPONSE OVERALL
NSN3110-00-446-9688
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 5M9644 · 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
•
MATERIAL DOCUMENT AND CLASSIFICATION: 4118H,FSCM 08162 MFR REF SINGLE MATERIAL RESPONSE OVERALL
•
OVERALL OUTSIDE DIAMETER: 2.8354 INCHES MINIMUM AND 2.8359 INCHES MAXIMUM IN
•
BORE DIAMETER: 1.7338 INCHES MINIMUM AND 1.7344 INCHES MAXIMUM IN
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS
SURFACE FINISHGROUND
MATERIAL DOCUMENT AND CLASSIFICATION4118H,FSCM 08162 MFR REF SINGLE MATERIAL RESPONSE OVERALL
OVERALL WIDTH0.6643 INCHES MINIMUM AND 0.6693 INCHES MAXIMUM IN
OVERALL OUTSIDE DIAMETER2.8354 INCHES MINIMUM AND 2.8359 INCHES MAXIMUM IN
SPECIAL FEATURES9/32 IN. BLIND HOLE IN OD,0.3350 IN. IN FROM FIXED FLANGE EDGE ON OUTER RING IN
BORE DIAMETER1.7338 INCHES MINIMUM AND 1.7344 INCHES MAXIMUM IN
MATERIALSTEEL OVERALL
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
FF-B-185Reference document
Same NSN cross-reference
Reference document — Secondary reference
M1207EAHLReference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 5M9644?
5M9644 is a BEARING,ROLLER,CYLINDRICAL.
What parts can replace 5M9644?
There are 2 known substitutes for 5M9644: FF-B-185, M1207EAHL. Substitute compatibility should be verified for your specific system.
What is the NSN for 5M9644?
5M9644 is cataloged in the U.S. Government catalog under NSN 3110-00-446-9688. 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.