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Technical Data Sheet
PartsTable / COMPONENT / 612040-1ITEM5
612040-1ITEM5 ✓ 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: 0.5605 INCHES NOMINAL IN, cone_width: 0.8125 INCHES NOMINAL IN, bore_diameter: 1.4375 INCHES NOMINAL IN, overall_width: 0.7480 INCHES NOMINAL IN, standout_width: 0.1875 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-100-5283, 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
612040-1ITEM5
NSN: 3110-00-100-5283
FSC: 3110
CAGE: 08219 — STONE SAFETY CORP (USA)
SPECIFICATIONS
materialSTEEL OVERALL
cup_width0.5605 INCHES NOMINAL IN
cone_width0.8125 INCHES NOMINAL IN
bore_diameter1.4375 INCHES NOMINAL IN
overall_width0.7480 INCHES NOMINAL IN
standout_width0.1875 INCHES NOMINAL IN
style_designatorSTRAIGHT BORE, NORMAL ANGLE
cone_corner_radius0.1400 INCHES NOMINAL IN
backface_corner_radius0.0620 INCHES NOMINAL IN
overall_outside_diameter2.8345 INCHES NOMINAL IN
nondefinitive_spec/std_data751 TYPE
standard_tolerance_designationAFBMA CLASS 2
NSN3110-00-100-5283
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 612040-1ITEM5 · 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
•
CONE CORNER RADIUS: 0.1400 INCHES NOMINAL IN
•
CUP WIDTH: 0.5605 INCHES NOMINAL IN
•
BORE DIAMETER: 1.4375 INCHES NOMINAL IN
•
BACKFACE CORNER RADIUS: 0.0620 INCHES NOMINAL IN
•
MATERIAL: STEEL OVERALL
•
CONE WIDTH: 0.8125 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)
CONE CORNER RADIUS0.1400 INCHES NOMINAL IN
CUP WIDTH0.5605 INCHES NOMINAL IN
BORE DIAMETER1.4375 INCHES NOMINAL IN
BACKFACE CORNER RADIUS0.0620 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
OVERALL WIDTH0.7480 INCHES NOMINAL IN
CONE WIDTH0.8125 INCHES NOMINAL IN
STANDARD TOLERANCE DESIGNATIONAFBMA CLASS 2
STYLE DESIGNATORSTRAIGHT BORE, NORMAL ANGLE
NONDEFINITIVE SPEC/STD DATA751 TYPE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
8108036Interchangeable
interchangeable cross-reference
interchangeable
281-0028-00Interchangeable
interchangeable cross-reference
interchangeable
482007Interchangeable
interchangeable cross-reference
interchangeable
12993489Interchangeable
interchangeable cross-reference
interchangeable
16143-16282Interchangeable
Same NIIN cross-reference
interchangeable
FF-B-187AInterchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 612040-1ITEM5?
612040-1ITEM5 is a BEARING,ROLLER,TAPERED.
What parts can replace 612040-1ITEM5?
There are 7 known substitutes for 612040-1ITEM5: 8108036, 281-0028-00, 482007 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 612040-1ITEM5?
612040-1ITEM5 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-100-5283. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026