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Technical Data Sheet
PartsTable / COMPONENT / 872746
872746 ✓ 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

The BEARING,ROLLER,TAPERED is a the manufacturer tape media or drive component used in enterprise backup, archival, and disaster recovery environments. Key specifications include material: STEEL OVERALL, cup_width: 0.7243 INCHES MINIMUM AND 0.7283 INCHES MAXIMUM IN, cone_width: 0.9035 INCHES MINIMUM AND 0.9055 INCHES MAXIMUM IN, bore_diameter: 2.5585 INCHES MINIMUM AND 2.5591 INCHES MAXIMUM IN, overall_width: 0.9449 INCHES NOMINAL IN, standout_width: 0.2166 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-442-4848, 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
872746
NSN: 3110-00-442-4848
FSC: 3110
CAGE: 62983 — EATON AEROSPACE, LLC DBA JACKSON SOUTH (USA)
SPECIFICATIONS
materialSTEEL OVERALL
cup_width0.7243 INCHES MINIMUM AND 0.7283 INCHES MAXIMUM IN
cone_width0.9035 INCHES MINIMUM AND 0.9055 INCHES MAXIMUM IN
bore_diameter2.5585 INCHES MINIMUM AND 2.5591 INCHES MAXIMUM IN
overall_width0.9449 INCHES NOMINAL IN
standout_width0.2166 INCHES NOMINAL IN
special_featuresHEAVY DUTY CLASS JLM SERIES
style_designatorSTRAIGHT BORE, NORMAL ANGLE
cone_corner_radius0.1200 INCHES NOMINAL IN
backface_corner_radius0.0400 INCHES NOMINAL IN
overall_outside_diameter4.1339 INCHES NOMINAL IN
retainer_fabrication_methodPRESSED
NSN3110-00-442-4848
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 872746 · 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
•
RETAINER FABRICATION METHOD: PRESSED
•
CONE CORNER RADIUS: 0.1200 INCHES NOMINAL IN
•
CONE WIDTH: 0.9035 INCHES MINIMUM AND 0.9055 INCHES MAXIMUM IN
•
OVERALL OUTSIDE DIAMETER: 4.1339 INCHES NOMINAL IN
•
BACKFACE CORNER RADIUS: 0.0400 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 (FLIS)
RETAINER FABRICATION METHODPRESSED
CONE CORNER RADIUS0.1200 INCHES NOMINAL IN
OVERALL WIDTH0.9449 INCHES NOMINAL IN
CONE WIDTH0.9035 INCHES MINIMUM AND 0.9055 INCHES MAXIMUM IN
OVERALL OUTSIDE DIAMETER4.1339 INCHES NOMINAL IN
SPECIAL FEATURESHEAVY DUTY CLASS JLM SERIES
BACKFACE CORNER RADIUS0.0400 INCHES NOMINAL IN
STANDARD TOLERANCE DESIGNATIONAFBMA CLASS 2
STANDOUT WIDTH0.2166 INCHES NOMINAL IN
BORE DIAMETER2.5585 INCHES MINIMUM AND 2.5591 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
JLM710949Interchangeable
interchangeable cross-reference
interchangeable
233542Interchangeable
interchangeable cross-reference
interchangeable
FPJLM710949CInterchangeable
interchangeable cross-reference
interchangeable
JLM710910ANDJLMInterchangeable
Same NIIN cross-reference
interchangeable
1P2636X1P2662Interchangeable
Same NIIN cross-reference
interchangeable
JLM710949/71091Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 872746?
872746 is a BEARING,ROLLER,TAPERED.
What parts can replace 872746?
There are 11 known substitutes for 872746: JLM710949, 233542, FPJLM710949C and 8 more. Substitute compatibility should be verified for your specific system.
Is 872746 still available?
872746 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