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Technical Data Sheet
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B20504-54 — Technical Data Sheet

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— · 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 OVERALL, bore_shape: STRAIGHT, bore_diameter: 7.00 MILLIMETERS NOMINAL MM, overall_width: 7.0 MILLIMETERS NOMINAL MM, load_direction: RADIAL, surface_finish: GROUND. This part is cataloged in the Federal Logistics Information System under NSN 3110-00-555-5479, 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
B20504-54
NSN: 3110-00-555-5479
FSC: 3110
CAGE: 83298 — ALLIED SIGNAL INC AEROSPACE EQUIPMENT SYSTEMS EATONTOWN SITE (USA)
SPECIFICATIONS
materialSTEEL OVERALL
bore_shapeSTRAIGHT
bore_diameter7.00 MILLIMETERS NOMINAL MM
overall_width7.0 MILLIMETERS NOMINAL MM
load_directionRADIAL
surface_finishGROUND
shield_quantity1
style_designatorNON-LOADING GROOVE, NON-SEPARABLE
overall_outside_diameter22.00 MILLIMETERS NOMINAL MM
internal_fit-up_designationSTANDARD
retainer_fabrication_methodPRESSED
standard_tolerance_designationABEC NO.1
NSN3110-00-555-5479
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: B20504-54 · 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
•
STYLE DESIGNATOR: NON-LOADING GROOVE, NON-SEPARABLE
•
MATERIAL: STEEL OVERALL
•
RETAINER FABRICATION METHOD: PRESSED
•
BORE DIAMETER: 7.00 MILLIMETERS NOMINAL MM
•
LOAD DIRECTION: RADIAL
•
OVERALL OUTSIDE DIAMETER: 22.00 MILLIMETERS NOMINAL MM
•
INTERNAL FIT-UP DESIGNATION: STANDARD
TECHNICAL CHARACTERISTICS
STYLE DESIGNATORNON-LOADING GROOVE, NON-SEPARABLE
MATERIALSTEEL OVERALL
OVERALL WIDTH7.0 MILLIMETERS NOMINAL MM
RETAINER FABRICATION METHODPRESSED
BORE DIAMETER7.00 MILLIMETERS NOMINAL MM
LOAD DIRECTIONRADIAL
OVERALL OUTSIDE DIAMETER22.00 MILLIMETERS NOMINAL MM
INTERNAL FIT-UP DESIGNATIONSTANDARD
SHIELD QUANTITY1
BORE SHAPESTRAIGHT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
7037InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
AA59338431A075InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
A-A-59384InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
75H48InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
210-7037InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
BE12YZ083-000InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLEDGOVERNMENT REGISTRY
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is B20504-54?
B20504-54 is a BEARING,BALL,ANNULAR.
What parts can replace B20504-54?
There are 15 known substitutes for B20504-54: 7037, AA59338431A075, A-A-59384 and 12 more. Substitute compatibility should be verified for your specific system.
Is B20504-54 still available?
B20504-54 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