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Technical Data Sheet
PartsTable / COMPONENT / 1-21811-001
1-21811-001 ✓ 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,BALL,ANNULAR is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, bore_shape: STRAIGHT, bore_diameter: 0.1250 INCHES NOMINAL IN, overall_width: 0.1562 INCHES NOMINAL IN, load_direction: RADIAL, surface_finish: GROUND. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-198-1627, 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
1-21811-001
NSN: 3110-00-198-1627
FSC: 3110
CAGE: 17080 — BEI SENSORS & SYSTEMS COMPANY, INC. DBA USE CAGE CODE 67252 FOR CATALOGING (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
bore_shapeSTRAIGHT
bore_diameter0.1250 INCHES NOMINAL IN
overall_width0.1562 INCHES NOMINAL IN
load_directionRADIAL
surface_finishGROUND
shield_quantity2
style_designatorNON-LOADING GROOVE, NON-SEPARABLE
lubrication_materialGREASE
overall_outside_diameter0.3750 INCHES NOMINAL IN
internal_fit-up_designationLOOSE
retainer_fabrication_methodPRESSED
NSN3110-00-198-1627
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 1-21811-001 · 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: ABEC NO.5
•
LUBRICATION MATERIAL: GREASE
•
BORE SHAPE: STRAIGHT
•
SHIELD QUANTITY: 2
•
LOAD DIRECTION: RADIAL
TECHNICAL CHARACTERISTICS (FLIS)
STANDARD TOLERANCE DESIGNATIONABEC NO.5
STANDARD TOLERANCE DESIGNATIONABEC NO.5
OVERALL WIDTH0.1562 INCHES NOMINAL IN
LUBRICATION MATERIALGREASE
BORE SHAPESTRAIGHT
SHIELD QUANTITY2
BORE SHAPESTRAIGHT
LOAD DIRECTIONRADIAL
LUBRICATION MATERIALGREASE
SURFACE FINISHGROUND
VERIFIED SUBSTITUTES & CROSS-REFERENCES 19
A1011Interchangeable
interchangeable cross-reference
interchangeable
51763-1Interchangeable
interchangeable cross-reference
interchangeable
A1011-AInterchangeable
interchangeable cross-reference
interchangeable
667201-013Interchangeable
interchangeable cross-reference
interchangeable
CDD1975Interchangeable
interchangeable cross-reference
interchangeable
SE150Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1-21811-001?
1-21811-001 is a BEARING,BALL,ANNULAR.
What parts can replace 1-21811-001?
There are 19 known substitutes for 1-21811-001: A1011, 51763-1, A1011-A and 16 more. Substitute compatibility should be verified for your specific system.
Is 1-21811-001 still available?
1-21811-001 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