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Technical Data Sheet
PartsTable / COMPONENT / 21-1572
21-1572 ✓ 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 CUP,TAPERED ROLLER BEARING is a the manufacturer tape media or drive component used in enterprise backup, archival, and disaster recovery environments. Key specifications include general_characteristics_item_description: BRASS,TIN PLATED,0.020 IN. THK,CENTER HOLE 0.250 IN.

DIA 0.187 IN. H IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-100-0317, 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
21-1572
NSN: 3110-00-100-0317
FSC: 3110
CAGE: 25681 — ITT GOULDS PUMPS, INC. (USA)
SPECIFICATIONS
general_characteristics_item_descriptionBRASS,TIN PLATED,0.020 IN. THK,CENTER HOLE 0.250 IN. DIA 0.187 IN. H IN
NSN3110-00-100-0317
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 21-1572 · 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
•
BACKFACE CORNER RADIUS: 0.0800 INCHES NOMINAL IN
•
STANDARD TOLERANCE DESIGNATION: AFBMA CLASS 2
•
MATERIAL: STEEL OVERALL
•
STYLE DESIGNATOR: NORMAL ANGLE
•
OUTSIDE DIAMETER: 4.7244 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)
BACKFACE CORNER RADIUS0.0800 INCHES NOMINAL IN
OVERALL WIDTH0.9542 INCHES NOMINAL IN
STANDARD TOLERANCE DESIGNATIONAFBMA CLASS 2
MATERIALSTEEL OVERALL
STYLE DESIGNATORNORMAL ANGLE
OUTSIDE DIAMETER4.7244 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
509-112Interchangeable
interchangeable cross-reference
interchangeable
02-801741-9Interchangeable
interchangeable cross-reference
interchangeable
10289Interchangeable
interchangeable cross-reference
interchangeable
MEC27-675CPSInterchangeable
interchangeable cross-reference
interchangeable
A1011301Interchangeable
interchangeable cross-reference
interchangeable
B1011658AInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 21-1572?
21-1572 is a CUP,TAPERED ROLLER BEARING.
What parts can replace 21-1572?
There are 18 known substitutes for 21-1572: 509-112, 02-801741-9, 10289 and 15 more. Substitute compatibility should be verified for your specific system.
Is 21-1572 still available?
21-1572 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026