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Technical Data Sheet
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8143A — Technical Data Sheet

✓ 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

RECEIVER-TRANSMITTER SUBASSEMBLY. Key specifications include material: STEEL OVERALL, overall_width: 4.750 INCHES NOMINAL IN, overall_height: 5.750 INCHES NOMINAL IN, overall_length: 3.000 INCHES NOMINAL IN, mounting_method: BULKHEAD, outside_diameter: 4.0000 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System under NSN 3110-00-100-0323, 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
8143A
NSN: 3110-00-100-0323
FSC: 3110
CAGE: 35284 — VOLVO MOTOR GRADERS LTD (CAN)
SPECIFICATIONS
materialSTEEL OVERALL
overall_width4.750 INCHES NOMINAL IN
overall_height5.750 INCHES NOMINAL IN
overall_length3.000 INCHES NOMINAL IN
mounting_methodBULKHEAD
outside_diameter4.0000 INCHES NOMINAL IN
style_designatorMALE TO FEMALE
backface_corner_radius0.1250 INCHES NOMINAL IN
assembly_construction_methodENCASED IN CASE
standard_tolerance_designationAFBMA CLASS 2
male_end_thread_size_and_series/type_designator-18.0 X 1.5 ISO M
female_end_thread_size_and_series/type_designator1.000-14 UNS
NSN3110-00-100-0323
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 8143A · 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
•
OUTSIDE DIAMETER: 4.0000 INCHES NOMINAL IN
•
STYLE DESIGNATOR: NORMAL ANGLE
•
MATERIAL: STEEL OVERALL
•
BACKFACE CORNER RADIUS: 0.1250 INCHES NOMINAL IN
•
STANDARD TOLERANCE DESIGNATION: AFBMA CLASS 2
TECHNICAL CHARACTERISTICS
OUTSIDE DIAMETER4.0000 INCHES NOMINAL IN
STYLE DESIGNATORNORMAL ANGLE
OVERALL WIDTH1.0625 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
BACKFACE CORNER RADIUS0.1250 INCHES NOMINAL IN
STANDARD TOLERANCE DESIGNATIONAFBMA CLASS 2
VERIFIED SUBSTITUTES & CROSS-REFERENCES 29
211068InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
910586InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
308103InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
F5052InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
1 457 434 062InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
FF4200InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLEDGOVERNMENT REGISTRY
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 8143A?
8143A is a RECEIVER-TRANSMITTER SUBASSEMBLY.
What parts can replace 8143A?
There are 29 known substitutes for 8143A: 211068, 910586, 308103 and 26 more. Substitute compatibility should be verified for your specific system.
Is 8143A still available?
8143A 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: September 2026