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Technical Data Sheet
81581 ✓ 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: ALUMINUM SPOKE, bore_shape: STRAIGHT, bore_diameter: 0.8740 INCHES MINIMUM AND 0.8760 INCHES MAXIMUM IN, overall_width: 0.750 INCHES NOMINAL IN, load_direction: RADIAL, overall_length: 4.812 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4510-00-160-7934, 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
81581
NSN: 4510-00-160-7934
FSC: 4510
CAGE: 21823 — CRANE SUPPLY CO (USA)
SPECIFICATIONS
materialALUMINUM SPOKE
bore_shapeSTRAIGHT
bore_diameter0.8740 INCHES MINIMUM AND 0.8760 INCHES MAXIMUM IN
overall_width0.750 INCHES NOMINAL IN
seal_quantity1
load_directionRADIAL
overall_length4.812 INCHES NOMINAL IN
surface_finishGROUND
outside_diameter21.690 INCHES NOMINAL IN
special_featuresTM 9-2320-360-24P FIG 169; RIM MATERIAL SELF SKINNING URETHANE; FAME MATERIAL ALUMINUM (SPOKE), STEEL (RIM)
style_designatorNON-LOADING GROOVE, NON-SEPARABLE
bearing_seal_typeCONTACT
NSN4510-00-160-7934
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available BEARING,BALL,ANNULAR TITLE COMPONENT PN 81581 MFR BEARING,BALL,ANNULAR
KEY FEATURES
GENERAL CHARACTERISTICS ITEM DESCRIPTION: 1/2 IN. DIA BRASS CHROME PLATED IN
TECHNICAL CHARACTERISTICS (FLIS)
GENERAL CHARACTERISTICS ITEM DESCRIPTION1/2 IN. DIA BRASS CHROME PLATED IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
21146Interchangeable
interchangeable cross-reference
interchangeable
4994913Interchangeable
interchangeable cross-reference
interchangeable
22314-8Interchangeable
interchangeable cross-reference
interchangeable
81581Interchangeable
interchangeable cross-reference
interchangeable
BBBL22342SSInterchangeable
interchangeable cross-reference
interchangeable
1847600Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 81581?
81581 is a BEARING,BALL,ANNULAR.
What parts can replace 81581?
There are 8 known substitutes for 81581: 21146, 4994913, 22314-8 and 5 more. Substitute compatibility should be verified for your specific system.
Is 81581 still available?
81581 is currently cancelled.
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