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Technical Data Sheet
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114DS255-1 — Technical Data Sheet

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— · 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 BEARING,BALL,ANNULAR is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY RETAINER, bore_shape: STRAIGHT, bore_diameter: 1.3780 INCHES NOMINAL IN, overall_width: 0.5512 INCHES NOMINAL IN, load_direction: RADIAL, surface_finish: GROUND. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System under NSN 3110-00-834-3819, 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
114DS255-1
NSN: 3110-00-834-3819
FSC: 3110
CAGE: 3NPS1 — RBC AIRCRAFT PRODUCTS, INC. (USA)
SPECIFICATIONS
materialCOPPER ALLOY RETAINER
bore_shapeSTRAIGHT
bore_diameter1.3780 INCHES NOMINAL IN
overall_width0.5512 INCHES NOMINAL IN
load_directionRADIAL
surface_finishGROUND
style_designatorNON-LOADING GROOVE, NON-SEPARABLE
internal_clearance0.0014 INCHES MINIMUM RADIAL AND 0.0021 INCHES MAXIMUM RADIAL IN
lubrication_materialOIL
overall_outside_diameter2.4409 INCHES NOMINAL IN
retainer_fabrication_methodMACHINED
standard_tolerance_designationABEC NO.3
NSN3110-00-834-3819
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 114DS255-1 · 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: 1.3780 INCHES NOMINAL IN
•
STANDARD TOLERANCE DESIGNATION: ABEC NO.3
•
LUBRICATION MATERIAL: OIL
•
LOAD DIRECTION: RADIAL
•
LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATION: MIL-L-7808 MIL SPEC SINGLE MATERIAL RESPONSE
•
INTERNAL CLEARANCE: 0.0014 INCHES MINIMUM RADIAL AND 0.0021 INCHES MAXIMUM RADIAL IN
•
SURFACE FINISH: GROUND
TECHNICAL CHARACTERISTICS
OVERALL WIDTH0.5512 INCHES NOMINAL IN
BORE DIAMETER1.3780 INCHES NOMINAL IN
STANDARD TOLERANCE DESIGNATIONABEC NO.3
LUBRICATION MATERIALOIL
LOAD DIRECTIONRADIAL
LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATIONMIL-L-7808 MIL SPEC SINGLE MATERIAL RESPONSE
INTERNAL CLEARANCE0.0014 INCHES MINIMUM RADIAL AND 0.0021 INCHES MAXIMUM RADIAL IN
SURFACE FINISHGROUND
RETAINER FABRICATION METHODMACHINED
BORE SHAPESTRAIGHT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
907427InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
107KSInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
2560297InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
P9618545-1InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
743458InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
D2-48153InterchangeableGOVERNMENT REGISTRY
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVEGOVERNMENT REGISTRY
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 114DS255-1?
114DS255-1 is a BEARING,BALL,ANNULAR.
What parts can replace 114DS255-1?
There are 6 known substitutes for 114DS255-1: 907427, 107KS, 2560297 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 114DS255-1?
114DS255-1 is cataloged in the Federal Logistics Information System under NSN 3110-00-834-3819. 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.
PartsTable Design LLC · partstable.com
Last verified: September 2026