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Technical Data Sheet
PartsTable / COMPONENT / 751477HM617049
751477HM617049 ✓ 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: 1.6875 INCHES NOMINAL IN, bore_diameter: 3.3750 INCHES NOMINAL IN, special_features: DUTY CLASS HM SERIES, style_designator: NORMAL ANGLE, cone_corner_radius: 0.1870 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-277-0655, 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
751477HM617049
NSN: 3110-00-277-0655
FSC: 3110
CAGE: 02397 — ROCKWELL INTL CORP HIGHWAY BRAKE AND TRAILER AXLE DIV HEAVY VEHICLES COMPONENTS OPNS (USA)
SPECIFICATIONS
materialSTEEL OVERALL
cone_width1.6875 INCHES NOMINAL IN
bore_diameter3.3750 INCHES NOMINAL IN
special_featuresDUTY CLASS HM SERIES
style_designatorNORMAL ANGLE
cone_corner_radius0.1870 INCHES NOMINAL IN
standard_tolerance_designationAFBMA CLASS 2
NSN3110-00-277-0655
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 751477HM617049 · 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
•
STANDARD TOLERANCE DESIGNATION: AFBMA CLASS 2
•
CONE WIDTH: 1.6875 INCHES NOMINAL IN
•
BORE DIAMETER: 3.3750 INCHES NOMINAL IN
•
MATERIAL: STEEL OVERALL
•
CONE CORNER RADIUS: 0.1870 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 (FLIS)
STANDARD TOLERANCE DESIGNATIONAFBMA CLASS 2
SPECIAL FEATURESDUTY CLASS HM SERIES
CONE WIDTH1.6875 INCHES NOMINAL IN
BORE DIAMETER3.3750 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
CONE CORNER RADIUS0.1870 INCHES NOMINAL IN
STYLE DESIGNATORNORMAL ANGLE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
54755-31PC238Interchangeable
interchangeable cross-reference
interchangeable
50025-29PC156Interchangeable
interchangeable cross-reference
interchangeable
49211Interchangeable
interchangeable cross-reference
interchangeable
225112Interchangeable
interchangeable cross-reference
interchangeable
60456Interchangeable
interchangeable cross-reference
interchangeable
L165Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 751477HM617049?
751477HM617049 is a CONE AND ROLLERS,TAPERED ROLLER.
What parts can replace 751477HM617049?
There are 12 known substitutes for 751477HM617049: 54755-31PC238, 50025-29PC156, 49211 and 9 more. Substitute compatibility should be verified for your specific system.
Is 751477HM617049 still available?
751477HM617049 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