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Technical Data Sheet
PartsTable / COMPONENT / A-227
A-227 ✓ 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 COVER,ELECTRICAL SWITCH is a the manufacturer industrial component. Key specifications include material: STEEL, cup_width: 0.5000 INCHES NOMINAL IN, thickness: 0.156 INCHES NOMINAL IN, body_width: 1.000 INCHES NOMINAL IN, cone_width: 0.5910 INCHES NOMINAL IN, body_height: 2.750 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-155-7455, 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
A-227
NSN: 3110-00-155-7455
FSC: 3110
CAGE: 07385 — THE BIRO MANUFACTURING COMPANY (USA)
SPECIFICATIONS
materialSTEEL
cup_width0.5000 INCHES NOMINAL IN
thickness0.156 INCHES NOMINAL IN
body_width1.000 INCHES NOMINAL IN
cone_width0.5910 INCHES NOMINAL IN
body_height2.750 INCHES NOMINAL IN
body_length2.437 INCHES NOMINAL IN
bore_diameter1.0000 INCHES NOMINAL IN
hole_diameter0.641 INCHES NOMINAL IN
overall_width0.750 INCHES NOMINAL IN
rating_methodWINDING TURNS SINGLE COMPONENT SINGLE WINDING
turn_quantity100 SINGLE COMPONENT SINGLE WINDING
NSN3110-00-155-7455
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: A-227 · 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: 0.0910 INCHES NOMINAL IN
•
STANDARD TOLERANCE DESIGNATION: AFBMA CLASS 4
•
CONE CORNER RADIUS: 0.0400 INCHES NOMINAL IN
•
MATERIAL: STEEL OVERALL
•
BORE DIAMETER: 1.0000 INCHES NOMINAL IN
•
CONE WIDTH: 0.5910 INCHES NOMINAL IN
•
BACKFACE CORNER RADIUS: 0.0460 INCHES NOMINAL IN
•
OVERALL OUTSIDE DIAMETER: 2.0470 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
STANDOUT WIDTH0.0910 INCHES NOMINAL IN
STANDARD TOLERANCE DESIGNATIONAFBMA CLASS 4
CONE CORNER RADIUS0.0400 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
BORE DIAMETER1.0000 INCHES NOMINAL IN
CONE WIDTH0.5910 INCHES NOMINAL IN
BACKFACE CORNER RADIUS0.0460 INCHES NOMINAL IN
OVERALL OUTSIDE DIAMETER2.0470 INCHES NOMINAL IN
OVERALL WIDTH0.5910 INCHES NOMINAL IN
CUP WIDTH0.5000 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 25
11Q-000229-510CPInterchangeable
interchangeable cross-reference
interchangeable
11-227CPInterchangeable
interchangeable cross-reference
interchangeable
MIL-R-83248/1-2 29Interchangeable
interchangeable cross-reference
interchangeable
8916K616Interchangeable
interchangeable cross-reference
interchangeable
8865K2Interchangeable
interchangeable cross-reference
interchangeable
A227Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A-227?
A-227 is a COVER,ELECTRICAL SWITCH.
What parts can replace A-227?
There are 25 known substitutes for A-227: 11Q-000229-510CP, 11-227CP, MIL-R-83248/1-2 29 and 22 more. Substitute compatibility should be verified for your specific system.
Is A-227 still available?
A-227 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