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Technical Data Sheet
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D37111 — 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

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: 1.0313 INCHES NOMINAL IN, cone_width: 1.2500 INCHES NOMINAL IN, bore_diameter: 1.7500 INCHES NOMINAL IN, overall_width: 1.2500 INCHES NOMINAL IN, standout_width: 0.2187 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 3110-00-845-7835, 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
D37111
NSN: 3110-00-845-7835
FSC: 3110
CAGE: 23926 — KOMATSU AMERICA CORPORATION (USA)
SPECIFICATIONS
materialSTEEL OVERALL
cup_width1.0313 INCHES NOMINAL IN
cone_width1.2500 INCHES NOMINAL IN
bore_diameter1.7500 INCHES NOMINAL IN
overall_width1.2500 INCHES NOMINAL IN
standout_width0.2187 INCHES NOMINAL IN
style_designatorSTRAIGHT BORE, NORMAL ANGLE
cone_corner_radius0.0310 INCHES NOMINAL IN
backface_corner_radius0.0500 INCHES NOMINAL IN
overall_outside_diameter3.6875 INCHES NOMINAL IN
retainer_fabrication_methodPRESSED
standard_tolerance_designationAFBMA CLASS 2
NSN3110-00-845-7835
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: D37111 · 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
•
BACKFACE CORNER RADIUS: 0.0500 INCHES NOMINAL IN
•
RETAINER FABRICATION METHOD: PRESSED
•
CONE CORNER RADIUS: 0.0310 INCHES NOMINAL IN
•
OVERALL OUTSIDE DIAMETER: 3.6875 INCHES NOMINAL IN
•
CUP WIDTH: 1.0313 INCHES NOMINAL IN
•
CONE WIDTH: 1.2500 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)
STANDARD TOLERANCE DESIGNATIONAFBMA CLASS 2
OVERALL WIDTH1.2500 INCHES NOMINAL IN
BACKFACE CORNER RADIUS0.0500 INCHES NOMINAL IN
RETAINER FABRICATION METHODPRESSED
CONE CORNER RADIUS0.0310 INCHES NOMINAL IN
OVERALL OUTSIDE DIAMETER3.6875 INCHES NOMINAL IN
CUP WIDTH1.0313 INCHES NOMINAL IN
CONE WIDTH1.2500 INCHES NOMINAL IN
BORE DIAMETER1.7500 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
800H150LInterchangeable
interchangeable cross-reference
interchangeable
37-111Interchangeable
interchangeable cross-reference
interchangeable
37-0111-300Interchangeable
interchangeable cross-reference
interchangeable
D58808-1-12AInterchangeable
interchangeable cross-reference
interchangeable
4P94561-101AInterchangeable
interchangeable cross-reference
interchangeable
4P94561Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is D37111?
D37111 is a BEARING,ROLLER,TAPERED.
What parts can replace D37111?
There are 8 known substitutes for D37111: 800H150L, 37-111, 37-0111-300 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for D37111?
D37111 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-845-7835. This indicates validated use in U.S. government and defense supply chains.
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PartsTable Design LLC · partstable.com
Last verified: September 2026