PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 6550A
6550A ✓ 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

The ELECTRON TUBES,MATCHED is a the manufacturer industrial component. Key specifications include material: GLASS ENVELOPE, tube_type: PENTODE, bore_shape: STRAIGHT, duty_cycle: CONTINUOUS, ambient_temp: 65.0 CELSIUS DEGC, control_type: LOCAL. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-227-3620, 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
6550A
NSN: 3110-00-227-3620
FSC: 3110
CAGE: 20722 — THE ENTWISTLE COMPANY LLC (USA)
SPECIFICATIONS
materialGLASS ENVELOPE
tube_typePENTODE
bore_shapeSTRAIGHT
duty_cycleCONTINUOUS
ambient_temp65.0 CELSIUS DEGC
control_typeLOCAL
bore_diameter0.6250 INCHES NOMINAL IN
overall_width2.840 INCHES NOMINAL IN
seal_quantity2
load_directionRADIAL
overall_height3.150 INCHES NOMINAL IN
overall_length6.480 INCHES NOMINAL IN
NSN3110-00-227-3620
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 6550A · 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
•
BORE DIAMETER: 0.6250 INCHES NOMINAL IN
•
LUBRICATION MATERIAL: GREASE
•
MATERIAL: STEEL RETAINER
•
INTERNAL FIT-UP DESIGNATION: STANDARD
•
LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATION: MIL-G-23827 MIL SPEC SINGLE MATERIAL RESPONSE
•
RETAINER FABRICATION METHOD: PRESSED
•
STANDARD TOLERANCE DESIGNATION: ABEC NO.1
TECHNICAL CHARACTERISTICS (FLIS)
BORE DIAMETER0.6250 INCHES NOMINAL IN
LUBRICATION MATERIALGREASE
MATERIALSTEEL RETAINER
MATERIALSTEEL INNER RING
INTERNAL FIT-UP DESIGNATIONSTANDARD
LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATIONMIL-G-23827 MIL SPEC SINGLE MATERIAL RESPONSE
RETAINER FABRICATION METHODPRESSED
STANDARD TOLERANCE DESIGNATIONABEC NO.1
BORE SHAPESTRAIGHT
SEAL QUANTITY2
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
DMS 84101BInterchangeable
interchangeable cross-reference
interchangeable
162000-051Interchangeable
interchangeable cross-reference
interchangeable
6550AInterchangeable
interchangeable cross-reference
interchangeable
126-0046Interchangeable
interchangeable cross-reference
interchangeable
6550Interchangeable
interchangeable cross-reference
interchangeable
SK-1971Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
Ready to buy 6550A?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 6550A?
6550A is a ELECTRON TUBES,MATCHED.
What parts can replace 6550A?
There are 16 known substitutes for 6550A: DMS 84101B, 162000-051, 6550A and 13 more. Substitute compatibility should be verified for your specific system.
Is 6550A still available?
6550A is currently cancelled.
Community Feedback
Comments (0)
No comments yet. Be the first to share what you know.
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 6550A

✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026