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CTA-3 — BAR,CONNECTING,TELETYPEWRITER

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

CTA-3: BAR,CONNECTING,TELETYPEWRITER.

The BAR,CONNECTING,TELETYPEWRITER is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, body_width: 1.300 INCHES MAXIMUM IN, body_height: 2.250 INCHES MAXIMUM IN, body_length: 3.200 INCHES NOMINAL IN, stud_length: 0.6250 INCHES NOMINAL IN, thread_class: 3A A. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-198-2231, 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
CTA-3
NSN: 3110-00-198-2231
NIINs: 001982231, 012365292
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 07484 — ACCURATE BUSHING COMPANY, INC. (USA)
SPECIFICATIONS
materialSTEEL OVERALL
body_width1.300 INCHES MAXIMUM IN
body_height2.250 INCHES MAXIMUM IN
body_length3.200 INCHES NOMINAL IN
stud_length0.6250 INCHES NOMINAL IN
thread_class3A A
stud_diameter0.1900 INCHES NOMINAL IN
thread_length0.2500 INCHES NOMINAL IN
inclosure_typeFULLY INCLOSED
overall_length1.0313 INCHES NOMINAL IN
mounting_methodUNTHREADED HOLE(S) SINGLE GROUP
frequency_rating60.0 HERTZ MINIMUM AND 3.0 KILOHERTZ MAXIMUM SINGLE COMPONENT
NSN3110-00-198-2231
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: CTA-3 · 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
•
LUBRICATION MATERIAL: GREASE
•
OUTER RING WIDTH: 0.3750 INCHES NOMINAL IN
•
THREAD LENGTH: 0.2500 INCHES NOMINAL IN
•
STYLE DESIGNATOR: CAM FOLLOWER
•
OVERALL OUTSIDE DIAMETER: 0.5000 INCHES NOMINAL IN
•
THREAD DIRECTION: RIGHT-HAND
•
NOMINAL THREAD SIZE: 0.190 INCHES IN
TECHNICAL CHARACTERISTICS
LUBRICATION MATERIALGREASE
OUTER RING WIDTH0.3750 INCHES NOMINAL IN
THREAD LENGTH0.2500 INCHES NOMINAL IN
STYLE DESIGNATORCAM FOLLOWER
OVERALL LENGTH1.0313 INCHES NOMINAL IN
OVERALL OUTSIDE DIAMETER0.5000 INCHES NOMINAL IN
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE0.190 INCHES IN
STUD LENGTH0.6250 INCHES NOMINAL IN
SPECIAL FEATURESMEANS FOR RELUBRICATION
SUBSTITUTES & CROSS-REFERENCES 9
1787945Reference document
Same NSN cross-reference
Reference document — Secondary reference
254-6556644FNCOTM-A27Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
CR8-1MILG3278Reference document
Same NSN cross-reference
Reference document — Secondary reference
S16Reference document
Same NSN cross-reference
Reference document — Secondary reference
CR8-1Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
2018795P20Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is CTA-3?
CTA-3 is a BAR,CONNECTING,TELETYPEWRITER.
What parts can replace CTA-3?
There are 9 known substitutes for CTA-3: 1787945, 254-6556644FNCOTM-A27, CR8-1MILG3278 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for CTA-3?
CTA-3 is cataloged in the U.S. Government catalog under NSN 3110-00-198-2231. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.