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Technical Data Sheet
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1025Z1248 — Technical Data Sheet

✓ 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: 1.4300 INCHES NOMINAL IN, bore_diameter: 3.6250 INCHES NOMINAL IN, style_designator: NORMAL ANGLE, cone_corner_radius: 0.2500 INCHES NOMINAL IN, standard_tolerance_designation: AFBMA CLASS 2. This part is cataloged in the Federal Logistics Information System under NSN 3110-00-227-3719, 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
1025Z1248
NSN: 3110-00-227-3719
FSC: 3110
CAGE: 27315 — MORRIS MATERIAL HANDLING, INC. (USA)
SPECIFICATIONS
materialSTEEL OVERALL
cone_width1.4300 INCHES NOMINAL IN
bore_diameter3.6250 INCHES NOMINAL IN
style_designatorNORMAL ANGLE
cone_corner_radius0.2500 INCHES NOMINAL IN
standard_tolerance_designationAFBMA CLASS 2
NSN3110-00-227-3719
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 1025Z1248 · 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
•
MATERIAL: STEEL OVERALL
•
BORE DIAMETER: 3.6250 INCHES NOMINAL IN
•
CONE WIDTH: 1.4300 INCHES NOMINAL IN
•
STANDARD TOLERANCE DESIGNATION: AFBMA CLASS 2
•
CONE CORNER RADIUS: 0.2500 INCHES NOMINAL IN
•
STYLE DESIGNATOR: NORMAL ANGLE
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
MATERIALSTEEL OVERALL
BORE DIAMETER3.6250 INCHES NOMINAL IN
CONE WIDTH1.4300 INCHES NOMINAL IN
STANDARD TOLERANCE DESIGNATIONAFBMA CLASS 2
CONE CORNER RADIUS0.2500 INCHES NOMINAL IN
STYLE DESIGNATORNORMAL ANGLE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 20
P52083InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
10813InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
P34482InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
D30280InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
30280InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
444676InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLEDGOVERNMENT REGISTRY
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1025Z1248?
1025Z1248 is a CONE AND ROLLERS,TAPERED ROLLER.
What parts can replace 1025Z1248?
There are 20 known substitutes for 1025Z1248: P52083, 10813, P34482 and 17 more. Substitute compatibility should be verified for your specific system.
Is 1025Z1248 still available?
1025Z1248 is currently cancelled.
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PartsTable Design LLC · partstable.com
Last verified: September 2026