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Technical Data Sheet
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457049 — Technical Data Sheet

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— · 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: 0.7200 INCHES NOMINAL IN, bore_diameter: 0.8437 INCHES NOMINAL IN, special_features: DUTY CLASS M SERIES, style_designator: NORMAL ANGLE, cone_corner_radius: 0.0460 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System under NSN 3110-00-820-3493, 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
457049
NSN: 3110-00-820-3493
FSC: 3110
CAGE: 7X677 — GENERAL MOTORS LLC DBA GENERAL MOTORS LLC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
cone_width0.7200 INCHES NOMINAL IN
bore_diameter0.8437 INCHES NOMINAL IN
special_featuresDUTY CLASS M SERIES
style_designatorNORMAL ANGLE
cone_corner_radius0.0460 INCHES NOMINAL IN
standard_tolerance_designationAFBMA CLASS 2
NSN3110-00-820-3493
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 457049 · 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
•
STYLE DESIGNATOR: NORMAL ANGLE
•
BORE DIAMETER: 0.8437 INCHES NOMINAL IN
•
CONE CORNER RADIUS: 0.0460 INCHES NOMINAL IN
•
CONE WIDTH: 0.7200 INCHES NOMINAL IN
•
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
MATERIALSTEEL OVERALL
STYLE DESIGNATORNORMAL ANGLE
BORE DIAMETER0.8437 INCHES NOMINAL IN
CONE CORNER RADIUS0.0460 INCHES NOMINAL IN
CONE WIDTH0.7200 INCHES NOMINAL IN
STANDARD TOLERANCE DESIGNATIONAFBMA CLASS 2
SPECIAL FEATURESDUTY CLASS M SERIES
VERIFIED SUBSTITUTES & CROSS-REFERENCES 20
14072InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
0855InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
063204InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
11-3706-11InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
003274InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
CWPTB6InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLEDGOVERNMENT REGISTRY
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 457049?
457049 is a CONE AND ROLLERS,TAPERED ROLLER.
What parts can replace 457049?
There are 20 known substitutes for 457049: 14072, 0855, 063204 and 17 more. Substitute compatibility should be verified for your specific system.
Is 457049 still available?
457049 is currently cancelled.
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PartsTable Design LLC · partstable.com
Last verified: October 2026