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Technical Data Sheet
PartsTable / COMPONENT / 56559
56559 ✓ Verified by PartsTable
Hama · BALL BEARING
WHAT YOU NEED TO KNOW
2RS = sealed for life, ZZ = shielded re-greaseable ABEC grade: higher = tighter tolerance
ABEC-1 standard, ABEC-7+ for precision spindles
PRODUCT OVERVIEW

- For fully digital audio/video connections <br>- Transmission of all digital video, audio and copy protection data and signals <br>- For perfect, high-resolution full-HD quality (4096 x 2160 pixels) <br>- Image resolution: 3840 x 2160 - 24 Hz/25 Hz/30 Hz, 4096 x 2160 - 24 Hz <br>- Colour space: 30/36/48 bits <br>- Transmission of the following audio data: 8PCM, Dolby Digital, DTS, MPEG, DVD-Audio, SACD, Dolby Digital Plugs, Ture HD, dts-HD <br>- Network functionality due to integrated Internet/Ethernet channel (HEC), network: 100 MB/s <br>- With integrated audio return channel (ARC) <br>- Transmission of the type of player via ACE (Automatic Content Enhancement) <br>- HDMI™ CEC support (Consumer Electronics Control) <br>- High-speed transmission of up to 10.2 Gbit/s for all image and sound standards <br>- With stury mesh cover made of fine fabric <br>- Gold-plated plug contacts for improved contact quality and optimum signal transmission ,- Bandwidth: 340 MHz This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-00-293-4509, indicating validated use in U.S. government and defense logistics supply chains.

WHERE IT FITS
56559
NSN: 3120-00-293-4509
FSC: 3120
CAGE: 72599 — ALLIEDSIGNAL INC DBA ALLIED-SIGNAL AEROSPACE CO (USA)
SPECIFICATIONS
materialSTEEL OVERALL
end_styleSTRAIGHT BEND END (RIGHT) FIRST END
hook_radius0.105 INCHES NOMINAL OVERALL IN
coil_quantityG
inside_diameter0.281 INCHES NOMINAL IN
style_designatorSINGLE TORSION LEFT HAND
surface_treatmentTIN OVERALL
spring_free_length0.203 INCHES NOMINAL IN
coil_helix_directionLEFT-HAND
end_angular_relationshipENDS ANGLED ONE TO OTHER
spring_free_outside_diameter0.321 INCHES NOMINAL IN
end_length_from_coil_axis_to_first_bend0.250 INCHES NOMINAL OVERALL IN
NSN3120-00-293-4509
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 56559 · Hama ⚠ VERIFY BEFORE ORDERING ABEC grade: higher = tighter tolerance = higher cost. ABEC-1 is standard, ABEC-7+ for precision spindles. Open, shielded (ZZ), and sealed (2RS) versions have different max RPM ratings ✓ BROKER TIP 2RS = sealed for life (no maintenance). ZZ = shielded, re-greaseable. Open = must lubricate on install. Common interchange: 6205-2RS = 6205-2RSR = 6205-DDU (same bearing, different suffix) PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
STYLE DESIGNATOR: SOLID, PLAIN, NO OUTSIDE FLANGES
•
CORNER SHAPE: SQUARE ALL CORNERS
•
MATERIAL: STEEL COMP 4130 OVERALL
•
HARDNESS RATING: 28.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MAXIMUM OVERALL
•
BODY OUTSIDE DIAMETER: 0.8700 INCHES MINIMUM AND 0.8900 INCHES MAXIMUM IN
•
BODY INSIDE DIAMETER: 0.6700 INCHES MINIMUM AND 0.6710 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
STYLE DESIGNATORSOLID, PLAIN, NO OUTSIDE FLANGES
CORNER SHAPESQUARE ALL CORNERS
MATERIALSTEEL COMP 4130 OVERALL
HARDNESS RATING28.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MAXIMUM OVERALL
BODY OUTSIDE DIAMETER0.8700 INCHES MINIMUM AND 0.8900 INCHES MAXIMUM IN
OVERALL LENGTH0.7600 INCHES MINIMUM AND 0.7620 INCHES MAXIMUM IN
BODY INSIDE DIAMETER0.6700 INCHES MINIMUM AND 0.6710 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 2
56559Interchangeable
interchangeable cross-reference
interchangeable
12295Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 56559?
56559 is a BEARING,SLEEVE manufactured by Hama.
What parts can replace 56559?
There are 2 known substitutes for 56559: 56559, 12295. Substitute compatibility should be verified for your specific system.
What is the NSN for 56559?
56559 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-00-293-4509. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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Last verified: July 2026