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Technical Data Sheet
PartsTable / COMPONENT / 2780-55048-E11
2780-55048-E11 ✓ 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

CABLE ASSEMBLY,SPECIAL PURPOSE,E. Key specifications include material: OVERALL,PLASTIC,PHENOL-FORMALDEHYDE/BAKELITE/,GRADE XX, blade_type: FORWARD CURVE, hub_length: 0.625 INCHES NOMINAL AND 0.344 INCHES NOMINAL IN, design_type: SINGLE WIDTH, keyway_type: RECTANGULAR, seat_radius: 0.446 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-198-1050, 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
2780-55048-E11
NSN: 3110-00-198-1050
FSC: 3110
CAGE: 99827 — TEIKOKU USA INC. DIV CHEMPUMP, A DIVISION OF TEIKOKU USA INC (USA)
SPECIFICATIONS
materialOVERALL,PLASTIC,PHENOL-FORMALDEHYDE/BAKELITE/,GRADE XX
blade_typeFORWARD CURVE
hub_length0.625 INCHES NOMINAL AND 0.344 INCHES NOMINAL IN
design_typeSINGLE WIDTH
keyway_typeRECTANGULAR
seat_radius0.446 INCHES NOMINAL IN
hub_locationBACK SIDE AND FRONT SIDE
hub_quantity2
keyway_depth0.094 INCHES NOMINAL IN
keyway_width0.188 INCHES NOMINAL IN
shank_height0.046 INCHES NOMINAL IN
chamfer_depth0.031 INCHES NOMINAL IN
NSN3110-00-198-1050
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 2780-55048-E11 · 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
TYPICAL APPLICATIONS
  • Server Internal Cabling
  • Data Center Cable Infrastructure
  • SAS/SATA Drive Connectivity
VERIFIED SUBSTITUTES & CROSS-REFERENCES 28
D1500863 PC-8Interchangeable
interchangeable cross-reference
interchangeable
1549Interchangeable
interchangeable cross-reference
interchangeable
D1500857 PC-8Interchangeable
interchangeable cross-reference
interchangeable
14745Interchangeable
interchangeable cross-reference
interchangeable
21668Interchangeable
interchangeable cross-reference
interchangeable
NW21668Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 2780-55048-E11?
2780-55048-E11 is a CABLE ASSEMBLY,SPECIAL PURPOSE,E.
What parts can replace 2780-55048-E11?
There are 28 known substitutes for 2780-55048-E11: D1500863 PC-8, 1549, D1500857 PC-8 and 25 more. Substitute compatibility should be verified for your specific system.
Is 2780-55048-E11 still available?
2780-55048-E11 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