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Technical Data Sheet
PartsTable / COMPONENT / 45285AND45221
45285AND45221 ✓ 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: 0.9375 INCHES NOMINAL IN, bore_diameter: 2.0000 INCHES NOMINAL IN, overall_width: 1.1875 INCHES NOMINAL IN, standout_width: 0.2500 INCHES NOMINAL IN, style_designator: STRAIGHT BORE, DOUBLE CUP, SINGLE CONES. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-275-0002, 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
45285AND45221
NSN: 3110-00-275-0002
FSC: 3110
CAGE: 60038 — THE TIMKEN CORPORATION (USA)
SPECIFICATIONS
materialSTEEL OVERALL
cup_width0.9375 INCHES NOMINAL IN
bore_diameter2.0000 INCHES NOMINAL IN
overall_width1.1875 INCHES NOMINAL IN
standout_width0.2500 INCHES NOMINAL IN
style_designatorSTRAIGHT BORE, DOUBLE CUP, SINGLE CONES
cone_corner_radius0.0930 INCHES NOMINAL IN
backface_corner_radius0.0310 INCHES NOMINAL IN
overall_outside_diameter4.1250 INCHES NOMINAL IN
standard_tolerance_designationAFBMA CLASS 3
NSN3110-00-275-0002
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 45285AND45221 · 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
•
STANDOUT WIDTH: 0.2500 INCHES NOMINAL IN
•
OVERALL OUTSIDE DIAMETER: 4.1250 INCHES NOMINAL IN
•
STANDARD TOLERANCE DESIGNATION: AFBMA CLASS 3
•
CUP WIDTH: 0.9375 INCHES NOMINAL IN
•
BACKFACE CORNER RADIUS: 0.0310 INCHES NOMINAL IN
•
STYLE DESIGNATOR: STRAIGHT BORE, DOUBLE CUP, SINGLE CONES
•
BORE DIAMETER: 2.0000 INCHES NOMINAL IN
•
CONE CORNER RADIUS: 0.0930 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)
STANDOUT WIDTH0.2500 INCHES NOMINAL IN
OVERALL OUTSIDE DIAMETER4.1250 INCHES NOMINAL IN
STANDARD TOLERANCE DESIGNATIONAFBMA CLASS 3
CUP WIDTH0.9375 INCHES NOMINAL IN
BACKFACE CORNER RADIUS0.0310 INCHES NOMINAL IN
STYLE DESIGNATORSTRAIGHT BORE, DOUBLE CUP, SINGLE CONES
BORE DIAMETER2.0000 INCHES NOMINAL IN
CONE CORNER RADIUS0.0930 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
OVERALL WIDTH1.1875 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
2133-2Interchangeable
interchangeable cross-reference
interchangeable
A2133-2Interchangeable
interchangeable cross-reference
interchangeable
99019-44Interchangeable
interchangeable cross-reference
interchangeable
15017NPC26Interchangeable
interchangeable cross-reference
interchangeable
N21332Interchangeable
interchangeable cross-reference
interchangeable
DEB12115V60CYCLEInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 45285AND45221?
45285AND45221 is a BEARING,ROLLER,TAPERED.
What parts can replace 45285AND45221?
There are 13 known substitutes for 45285AND45221: 2133-2, A2133-2, 99019-44 and 10 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 45285AND45221?
45285AND45221 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-275-0002. 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