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Technical Data Sheet
PartsTable / COMPONENT / E3TZ1201-A
E3TZ1201-A ✓ 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: 0.6600 INCHES NOMINAL IN, bore_diameter: 1.2500 INCHES NOMINAL IN, special_features: DUTY CLASS LM SERIES,BACK FACE CORNER RADIUS ON 0.2180 IN. RADIUS ON ROLLER IN, style_designator: NORMAL ANGLE, cone_corner_radius: 0.0930 INCHES NOMINAL IN.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-606-1841, 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
E3TZ1201-A
NSN: 3110-00-606-1841
FSC: 3110
CAGE: 23040 — FORD MOTOR CO FORD PARTS AND SERVICE DIV GOVERNMENT PART SALES (USA)
SPECIFICATIONS
materialSTEEL OVERALL
cone_width0.6600 INCHES NOMINAL IN
bore_diameter1.2500 INCHES NOMINAL IN
special_featuresDUTY CLASS LM SERIES,BACK FACE CORNER RADIUS ON 0.2180 IN. RADIUS ON ROLLER IN
style_designatorNORMAL ANGLE
cone_corner_radius0.0930 INCHES NOMINAL IN
standard_tolerance_designationAFBMA CLASS 2
NSN3110-00-606-1841
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: E3TZ1201-A · 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: 1.2500 INCHES NOMINAL IN
•
CONE WIDTH: 0.6600 INCHES NOMINAL IN
•
CONE CORNER RADIUS: 0.0930 INCHES NOMINAL IN
•
MATERIAL: STEEL OVERALL
•
STYLE DESIGNATOR: NORMAL ANGLE
•
STANDARD TOLERANCE DESIGNATION: AFBMA CLASS 2
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 DIAMETER1.2500 INCHES NOMINAL IN
CONE WIDTH0.6600 INCHES NOMINAL IN
CONE CORNER RADIUS0.0930 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
STYLE DESIGNATORNORMAL ANGLE
SPECIAL FEATURESDUTY CLASS LM SERIES,BACK FACE CORNER RADIUS ON 0.2180 IN. RADIUS ON ROLLER IN
STANDARD TOLERANCE DESIGNATIONAFBMA CLASS 2
VERIFIED SUBSTITUTES & CROSS-REFERENCES 31
0910259-1Interchangeable
interchangeable cross-reference
interchangeable
103399Interchangeable
interchangeable cross-reference
interchangeable
910259Interchangeable
interchangeable cross-reference
interchangeable
8051Interchangeable
interchangeable cross-reference
interchangeable
E25AInterchangeable
interchangeable cross-reference
interchangeable
B11732Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is E3TZ1201-A?
E3TZ1201-A is a CONE AND ROLLERS,TAPERED ROLLER.
What parts can replace E3TZ1201-A?
There are 31 known substitutes for E3TZ1201-A: 0910259-1, 103399, 910259 and 28 more. Substitute compatibility should be verified for your specific system.
Is E3TZ1201-A still available?
E3TZ1201-A 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