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Technical Data Sheet
PartsTable / COMPONENT / U134
U134 ✓ 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 BAND, cup_width: 1.1875 INCHES NOMINAL IN, cone_width: 1.4300 INCHES NOMINAL IN, bore_diameter: 3.7500 INCHES NOMINAL IN, overall_width: 1.5625 INCHES NOMINAL IN, standout_width: 0.3750 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 3110-00-100-4221, 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
U134
NSN: 3110-00-100-4221
FSC: 3110
CAGE: 25681 — ITT GOULDS PUMPS, INC. (USA)
SPECIFICATIONS
materialSTEEL BAND
cup_width1.1875 INCHES NOMINAL IN
cone_width1.4300 INCHES NOMINAL IN
bore_diameter3.7500 INCHES NOMINAL IN
overall_width1.5625 INCHES NOMINAL IN
standout_width0.3750 INCHES NOMINAL IN
style_designatorTWO PIECE
cone_corner_radius0.1400 INCHES NOMINAL IN
loop_inside_diameter1.750 INCHES NOMINAL IN
backface_corner_radius0.1250 INCHES NOMINAL IN
overall_outside_diameter6.0000 INCHES NOMINAL IN
standard_tolerance_designationAFBMA CLASS 2
NSN3110-00-100-4221
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: U134 · 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: 1.1875 INCHES NOMINAL IN
•
OVERALL OUTSIDE DIAMETER: 6.0000 INCHES NOMINAL IN
•
MATERIAL: STEEL COMP E52100 OR STEEL COMP 4320 OR STEEL COMP 4620 OR STEEL COMP 8620 ROLLER
•
STYLE DESIGNATOR: STRAIGHT BORE, NORMAL ANGLE
•
STANDOUT WIDTH: 0.3750 INCHES NOMINAL IN
•
CONE WIDTH: 1.4300 INCHES NOMINAL IN
•
CONE CORNER RADIUS: 0.1400 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 WIDTH1.1875 INCHES NOMINAL IN
OVERALL OUTSIDE DIAMETER6.0000 INCHES NOMINAL IN
OVERALL WIDTH1.5625 INCHES NOMINAL IN
MATERIALSTEEL COMP E52100 OR STEEL COMP 4320 OR STEEL COMP 4620 OR STEEL COMP 8620 ROLLER
STYLE DESIGNATORSTRAIGHT BORE, NORMAL ANGLE
STANDOUT WIDTH0.3750 INCHES NOMINAL IN
CONE WIDTH1.4300 INCHES NOMINAL IN
CONE CORNER RADIUS0.1400 INCHES NOMINAL IN
STANDARD TOLERANCE DESIGNATIONAFBMA CLASS 2
BORE DIAMETER3.7500 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 25
21-421Interchangeable
interchangeable cross-reference
interchangeable
4FD0138Interchangeable
interchangeable cross-reference
interchangeable
4251668Interchangeable
interchangeable cross-reference
interchangeable
D72828Interchangeable
interchangeable cross-reference
interchangeable
952494-1Interchangeable
interchangeable cross-reference
interchangeable
C365-6Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is U134?
U134 is a BEARING,ROLLER,TAPERED.
What parts can replace U134?
There are 25 known substitutes for U134: 21-421, 4FD0138, 4251668 and 22 more. Substitute compatibility should be verified for your specific system.
What is the NSN for U134?
U134 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-100-4221. 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