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Technical Data Sheet
PartsTable / COMPONENT / P21A
P21A ✓ 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 CORE,ELECTROMAGNETIC COMPONENT is a the manufacturer industrial component. Key specifications include material: STEEL COMP E51100 OR STEEL COMP E52100 OVERALL, shaft_type: ROUND SINGLE ACTUATOR, shaft_length: 1.000 INCHES NOMINAL SINGLE ACTUATOR IN, overall_width: 2.188 INCHES NOMINAL IN, terminal_type: TAB W/SCREW, overall_height: 2.500 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 3110-00-188-2732, 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
P21A
NSN: 3110-00-188-2732
FSC: 3110
CAGE: 29690 — CORRECT MFG CORP (USA)
SPECIFICATIONS
materialSTEEL COMP E51100 OR STEEL COMP E52100 OVERALL
shaft_typeROUND SINGLE ACTUATOR
shaft_length1.000 INCHES NOMINAL SINGLE ACTUATOR IN
overall_width2.188 INCHES NOMINAL IN
terminal_typeTAB W/SCREW
overall_height2.500 INCHES NOMINAL IN
overall_length9.000 INCHES NOMINAL IN
shaft_diameter0.250 INCHES NOMINAL SINGLE ACTUATOR IN
special_featuresCOMFORT GRIP HANDLES; 1-1/2 IN. JAW CAPACITY IN
style_designatorBALL
features_providedACTUATOR KNOB
nominal_thread_size0.190 INCHES SINGLE MOUNTING FACILITY IN
NSN3110-00-188-2732
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: P21A · 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
•
ROLLING ELEMENT DIAMETER: 1.5000 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: 66 FED STD ALL MATERIAL RESPONSES OVERALL
•
MATERIAL: STEEL COMP E51100 OR STEEL COMP E52100 OVERALL
•
STYLE DESIGNATOR: BALL
TECHNICAL CHARACTERISTICS (FLIS)
ROLLING ELEMENT DIAMETER1.5000 INCHES NOMINAL IN
SPECIAL FEATURESAFBMA STANDARD TOLERANCE FOR BALLS,GRADE 48
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD ALL MATERIAL RESPONSES OVERALL
MATERIALSTEEL COMP E51100 OR STEEL COMP E52100 OVERALL
STYLE DESIGNATORBALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 23
14529Interchangeable
interchangeable cross-reference
interchangeable
793Interchangeable
interchangeable cross-reference
interchangeable
34159A9Interchangeable
interchangeable cross-reference
interchangeable
34159B9Interchangeable
interchangeable cross-reference
interchangeable
P21AInterchangeable
interchangeable cross-reference
interchangeable
578-5800-1675033REVAPC5Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is P21A?
P21A is a CORE,ELECTROMAGNETIC COMPONENT.
What parts can replace P21A?
There are 23 known substitutes for P21A: 14529, 793, 34159A9 and 20 more. Substitute compatibility should be verified for your specific system.
What is the NSN for P21A?
P21A is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-188-2732. 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