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Technical Data Sheet
PartsTable / COMPONENT / TRB613
TRB613 ✓ 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 TELETYPEWRITER SUBASSEMBLY is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, bore_diameter: 0.3770 INCHES MINIMUM AND 0.3870 INCHES MAXIMUM IN, overall_width: 0.0600 INCHES MINIMUM AND 0.0630 INCHES MAXIMUM IN, outside_diameter: 0.7820 INCHES MINIMUM AND 0.8020 INCHES MAXIMUM IN, style_designator: FLAT RACE SURFACE. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-935-5744, 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
TRB613
NSN: 3110-00-935-5744
FSC: 3110
CAGE: 5XMS1 — JTEKT BEARINGS NORTH AMERICA LLC DIV KBNA - ORD 1 (USA)
SPECIFICATIONS
materialSTEEL OVERALL
bore_diameter0.3770 INCHES MINIMUM AND 0.3870 INCHES MAXIMUM IN
overall_width0.0600 INCHES MINIMUM AND 0.0630 INCHES MAXIMUM IN
outside_diameter0.7820 INCHES MINIMUM AND 0.8020 INCHES MAXIMUM IN
style_designatorFLAT RACE SURFACE
NSN3110-00-935-5744
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: TRB613 · 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
•
MATERIAL: STEEL OVERALL
•
STYLE DESIGNATOR: FLAT RACE SURFACE
•
OUTSIDE DIAMETER: 0.7820 INCHES MINIMUM AND 0.8020 INCHES MAXIMUM IN
•
BORE DIAMETER: 0.3770 INCHES MINIMUM AND 0.3870 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL OVERALL
STYLE DESIGNATORFLAT RACE SURFACE
OUTSIDE DIAMETER0.7820 INCHES MINIMUM AND 0.8020 INCHES MAXIMUM IN
BORE DIAMETER0.3770 INCHES MINIMUM AND 0.3870 INCHES MAXIMUM IN
OVERALL WIDTH0.0600 INCHES MINIMUM AND 0.0630 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
50108Interchangeable
interchangeable cross-reference
interchangeable
N9833PC259Interchangeable
interchangeable cross-reference
interchangeable
N18937PC259Interchangeable
interchangeable cross-reference
interchangeable
SC-B-70108Interchangeable
interchangeable cross-reference
interchangeable
50108AInterchangeable
interchangeable cross-reference
interchangeable
334-002-001Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is TRB613?
TRB613 is a TELETYPEWRITER SUBASSEMBLY.
What parts can replace TRB613?
There are 18 known substitutes for TRB613: 50108, N9833PC259, N18937PC259 and 15 more. Substitute compatibility should be verified for your specific system.
Is TRB613 still available?
TRB613 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: July 2026