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Technical Data Sheet
PartsTable / COMPONENT / 4115A4012A
4115A4012A ✓ 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 COMP 4320 OR STEEL COMP 4620 OR STEEL COMP 8620 OR STEEL COMP E52100 ROLLER, cup_width: 0.6250 INCHES NOMINAL IN, cone_width: 0.7810 INCHES NOMINAL IN, bore_diameter: 0.8750 INCHES NOMINAL IN, overall_width: 0.7625 INCHES NOMINAL IN, standout_width: 0.1375 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 3110-00-100-4446, 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
4115A4012A
NSN: 3110-00-100-4446
FSC: 3110
CAGE: 80234 — VAPOR CORP SUB OF BRUNSWICK CORP (USA)
SPECIFICATIONS
materialSTEEL COMP 4320 OR STEEL COMP 4620 OR STEEL COMP 8620 OR STEEL COMP E52100 ROLLER
cup_width0.6250 INCHES NOMINAL IN
cone_width0.7810 INCHES NOMINAL IN
bore_diameter0.8750 INCHES NOMINAL IN
overall_width0.7625 INCHES NOMINAL IN
standout_width0.1375 INCHES NOMINAL IN
style_designatorSTRAIGHT BORE, NORMAL ANGLE
cone_corner_radius0.0460 INCHES NOMINAL IN
backface_corner_radius0.0460 INCHES NOMINAL IN
overall_outside_diameter2.2400 INCHES NOMINAL IN
nondefinitive_spec/std_data751 TYPE
standard_tolerance_designationAFBMA CLASS 2
NSN3110-00-100-4446
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 4115A4012A · 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
•
CUP WIDTH: 0.6250 INCHES NOMINAL IN
•
OVERALL OUTSIDE DIAMETER: 2.2400 INCHES NOMINAL IN
•
CONE WIDTH: 0.7810 INCHES NOMINAL IN
•
STANDOUT WIDTH: 0.1375 INCHES NOMINAL IN
•
BORE DIAMETER: 0.8750 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-624 FED SPEC 1ST MATERIAL RESPONSE OR 66 FED STD 2ND MATERIAL RESPONSE ROLLER
•
BACKFACE CORNER RADIUS: 0.0460 INCHES NOMINAL IN
•
CONE CORNER RADIUS: 0.0460 INCHES NOMINAL IN
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)
CUP WIDTH0.6250 INCHES NOMINAL IN
OVERALL OUTSIDE DIAMETER2.2400 INCHES NOMINAL IN
CONE WIDTH0.7810 INCHES NOMINAL IN
STANDOUT WIDTH0.1375 INCHES NOMINAL IN
BORE DIAMETER0.8750 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-624 FED SPEC 1ST MATERIAL RESPONSE OR 66 FED STD 2ND MATERIAL RESPONSE ROLLER
BACKFACE CORNER RADIUS0.0460 INCHES NOMINAL IN
CONE CORNER RADIUS0.0460 INCHES NOMINAL IN
MATERIALSTEEL COMP 4320 OR STEEL COMP 4620 OR STEEL COMP 8620 OR STEEL COMP E52100 CUP
MATERIALSTEEL COMP 4320 OR STEEL COMP 4620 OR STEEL COMP 8620 OR STEEL COMP E52100 ROLLER
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
3147Interchangeable
interchangeable cross-reference
interchangeable
ND7Interchangeable
interchangeable cross-reference
interchangeable
12636-C128Interchangeable
interchangeable cross-reference
interchangeable
717-021414Interchangeable
interchangeable cross-reference
interchangeable
SC-D-68573Interchangeable
interchangeable cross-reference
interchangeable
CX-1334/U-6FTInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 4115A4012A?
4115A4012A is a BEARING,ROLLER,TAPERED.
What parts can replace 4115A4012A?
There are 18 known substitutes for 4115A4012A: 3147, ND7, 12636-C128 and 15 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 4115A4012A?
4115A4012A is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-100-4446. 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