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Technical Data Sheet
PartsTable / COMPONENT / E050557
E050557 ✓ 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

CONE AND ROLLERS,TAPERED ROLLER. Key specifications include material: STEEL OVERALL, cone_width: 1.0594 INCHES NOMINAL IN, bore_diameter: 1.8750 INCHES NOMINAL IN, style_designator: STEEP ANGLE, cone_corner_radius: 0.1406 INCHES NOMINAL IN, standard_tolerance_designation: AFBMA CLASS 2. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-100-3627, 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
E050557
NSN: 3110-00-100-3627
FSC: 3110
CAGE: 08820 — BROS INC
SPECIFICATIONS
materialSTEEL OVERALL
cone_width1.0594 INCHES NOMINAL IN
bore_diameter1.8750 INCHES NOMINAL IN
style_designatorSTEEP ANGLE
cone_corner_radius0.1406 INCHES NOMINAL IN
standard_tolerance_designationAFBMA CLASS 2
NSN3110-00-100-3627
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: E050557 · 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
•
BORE DIAMETER: 1.8750 INCHES NOMINAL IN
•
STYLE DESIGNATOR: STEEP ANGLE
•
CONE WIDTH: 1.0594 INCHES NOMINAL IN
•
CONE CORNER RADIUS: 0.1406 INCHES NOMINAL IN
•
STANDARD TOLERANCE DESIGNATION: AFBMA CLASS 2
•
MATERIAL: STEEL OVERALL
TYPICAL APPLICATIONS
  • Long-term data archival and compliance retention
  • Offsite backup and disaster recovery
  • Air-gapped ransomware protection
  • Cold storage tier for infrequently accessed data
TECHNICAL CHARACTERISTICS (FLIS)
BORE DIAMETER1.8750 INCHES NOMINAL IN
STYLE DESIGNATORSTEEP ANGLE
CONE WIDTH1.0594 INCHES NOMINAL IN
CONE CORNER RADIUS0.1406 INCHES NOMINAL IN
STANDARD TOLERANCE DESIGNATIONAFBMA CLASS 2
MATERIALSTEEL OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 25
11168Interchangeable
interchangeable cross-reference
interchangeable
S637471Interchangeable
interchangeable cross-reference
interchangeable
140316Interchangeable
interchangeable cross-reference
interchangeable
DS2709Interchangeable
interchangeable cross-reference
interchangeable
SL5276PC13Interchangeable
interchangeable cross-reference
interchangeable
778PInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is E050557?
E050557 is a CONE AND ROLLERS,TAPERED ROLLER.
What parts can replace E050557?
There are 25 known substitutes for E050557: 11168, S637471, 140316 and 22 more. Substitute compatibility should be verified for your specific system.
Is E050557 still available?
E050557 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