PartsTable
Technical Data Sheet
644477 ✓ 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 BEARING,ROLLER,CYLINDRICAL is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY 937 OVERALL, body_style: W/MTG BRACKET, TERMINAL(S) ON ONE END, body_length: 1.375 INCHES NOMINAL IN, corner_shape: SQUARE ALL CORNERS, body_diameter: 0.531 INCHES NOMINAL IN, overall_length: 1.4220 INCHES MINIMUM AND 1.4420 INCHES MAXIMUM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-864-9373, 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
644477
NSN: 3110-00-864-9373
FSC: 3110
CAGE: 38443 — SKF USA INC. (USA)
SPECIFICATIONS
materialCOPPER ALLOY 937 OVERALL
body_styleW/MTG BRACKET, TERMINAL(S) ON ONE END
body_length1.375 INCHES NOMINAL IN
corner_shapeSQUARE ALL CORNERS
body_diameter0.531 INCHES NOMINAL IN
overall_length1.4220 INCHES MINIMUM AND 1.4420 INCHES MAXIMUM IN
terminal_length3.344 INCHES NOMINAL IN
style_designatorSPLIT, PLAIN, NO OUTSIDE FLANGES
terminal_diameter0.110 INCHES NOMINAL IN
body_inside_diameter1.1872 INCHES MINIMUM AND 1.1875 INCHES MAXIMUM IN
body_outside_diameter1.2410 INCHES NOMINAL IN
reliability_indicatorNOT ESTABLISHED
NSN3110-00-864-9373
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 644477 · 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
MS515957-25Interchangeable
interchangeable cross-reference
interchangeable
112-0782-025Interchangeable
interchangeable cross-reference
interchangeable
2035480-218Interchangeable
interchangeable cross-reference
interchangeable
314305Interchangeable
interchangeable cross-reference
interchangeable
A215113Interchangeable
interchangeable cross-reference
interchangeable
LG15Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 644477?
644477 is a BEARING,ROLLER,CYLINDRICAL.
What parts can replace 644477?
There are 15 known substitutes for 644477: MS515957-25, 112-0782-025, 2035480-218 and 12 more. Substitute compatibility should be verified for your specific system.
Is 644477 still available?
644477 is currently cancelled.
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