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PartsTable / COMPONENT / B2729
B2729 ✓ Verified by PartsTable
— · COMPONENT
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

The BEARING,BALL,ANNULAR is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, end_style: SPRING END,SQUARED AND GROUND BOTH ENDS, bore_shape: STRAIGHT, load_rating: 2.000 POUNDS NOMINAL LBS, bore_diameter: 50.00 MILLIMETERS NOMINAL MM, overall_width: 27.0 MILLIMETERS NOMINAL MM. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5360-00-363-4878, 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
B2729
NSN: 5360-00-363-4878
FSC: 5360
CAGE: 54936 — HAYNES CORPORATION (USA)
SPECIFICATIONS
materialSTEEL OVERALL
end_styleSPRING END,SQUARED AND GROUND BOTH ENDS
bore_shapeSTRAIGHT
load_rating2.000 POUNDS NOMINAL LBS
bore_diameter50.00 MILLIMETERS NOMINAL MM
coil_quantity8
overall_width27.0 MILLIMETERS NOMINAL MM
load_directionRADIAL
surface_finishGROUND
inside_diameter0.618 INCHES NOMINAL IN
style_designatorLOADING GROOVE, NON-SEPARABLE
spring_free_length1.364 INCHES NOMINAL IN
NSN5360-00-363-4878
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available BEARING,BALL,ANNULAR TITLE COMPONENT PN B2729 MFR BEARING,BALL,ANNULAR
KEY FEATURES
•
SPRING FREE OUTSIDE DIAMETER: 0.720 INCHES NOMINAL IN
•
END STYLE: SPRING END,SQUARED AND GROUND BOTH ENDS
•
COIL HELIX DIRECTION: RIGHT-HAND OR LEFT-HAND
•
MATERIAL: STEEL OVERALL
•
COIL QUANTITY: 8
•
STYLE DESIGNATOR: CYLINDRICAL
•
SPRING SOLID OUTSIDE DIAMETER: 0.720 INCHES NOMINAL IN
•
SPRING FREE LENGTH: 1.364 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
SPRING FREE OUTSIDE DIAMETER0.720 INCHES NOMINAL IN
END STYLESPRING END,SQUARED AND GROUND BOTH ENDS
COIL HELIX DIRECTIONRIGHT-HAND OR LEFT-HAND
MATERIALSTEEL OVERALL
COIL QUANTITY8
STYLE DESIGNATORCYLINDRICAL
SPRING SOLID OUTSIDE DIAMETER0.720 INCHES NOMINAL IN
SPRING FREE LENGTH1.364 INCHES NOMINAL IN
LOAD RATING2.000 POUNDS NOMINAL LBS
SPRING SOLID LENGTH0.422 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
78292Interchangeable
interchangeable cross-reference
interchangeable
310WFS118Interchangeable
interchangeable cross-reference
interchangeable
7310X1Interchangeable
interchangeable cross-reference
interchangeable
72-11710-151Interchangeable
Same NIIN cross-reference
interchangeable
72-1171-151Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is B2729?
B2729 is a BEARING,BALL,ANNULAR.
What parts can replace B2729?
There are 5 known substitutes for B2729: 78292, 310WFS118, 7310X1 and 2 more. Substitute compatibility should be verified for your specific system.
Is B2729 still available?
B2729 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