PartsTable
Technical Data Sheet
S1255 ✓ 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 BEARING,BALL,ANNULAR is a the manufacturer industrial component. Key specifications include scale_type: LINEAR SINGLE SCALE, outside_diameter: 1.375 INCHES NOMINAL IN, special_features: OVERALL MATERIAL: IRON, style_designator: ROUND, surface_treatment: CADMIUM DIAL, material_thickness: 0.025 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-156-3469, 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
S1255
NSN: 3110-00-156-3469
FSC: 3110
CAGE: 30418 — THOR POWER TOOL CO SUB OF STEWART-WARNER CO (USA)
SPECIFICATIONS
scale_typeLINEAR SINGLE SCALE
outside_diameter1.375 INCHES NOMINAL IN
special_featuresOVERALL MATERIAL: IRON
style_designatorROUND
surface_treatmentCADMIUM DIAL
material_thickness0.025 INCHES NOMINAL IN
mounting_hole_diameter0.076 INCHES NOMINAL IN
mounting_hole_quantity2
scale_division_quantity23 SINGLE SCALE
NSN3110-00-156-3469
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: S1255 · 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 OR STEEL CORROSION RESISTING RETAINER
BEARING SEAL TYPE: CONTACT
OUTER RING WIDTH: 0.4330 INCHES NOMINAL IN
INNER RING WIDTH: 0.4800 INCHES NOMINAL IN
STANDARD TOLERANCE DESIGNATION: ABEC NO.1
BORE SHAPE: STRAIGHT
LOAD DIRECTION: RADIAL
INTERNAL FIT-UP DESIGNATION: STANDARD
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL OR STEEL CORROSION RESISTING RETAINER
BEARING SEAL TYPECONTACT
OUTER RING WIDTH0.4330 INCHES NOMINAL IN
INNER RING WIDTH0.4800 INCHES NOMINAL IN
STANDARD TOLERANCE DESIGNATIONABEC NO.1
BORE SHAPESTRAIGHT
LOAD DIRECTIONRADIAL
INTERNAL FIT-UP DESIGNATIONSTANDARD
SEAL QUANTITY1
LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATIONDOD-G-24508 MIL SPEC SINGLE MATERIAL RESPONSE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 26
M1293Interchangeable
interchangeable cross-reference
interchangeable
57A10C63Interchangeable
interchangeable cross-reference
interchangeable
7033Interchangeable
interchangeable cross-reference
interchangeable
C4TZ6600AInterchangeable
interchangeable cross-reference
interchangeable
C0AZ6600AInterchangeable
interchangeable cross-reference
interchangeable
S1255Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is S1255?
S1255 is a BEARING,BALL,ANNULAR.
What parts can replace S1255?
There are 26 known substitutes for S1255: M1293, 57A10C63, 7033 and 23 more. Substitute compatibility should be verified for your specific system.
What is the NSN for S1255?
S1255 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-156-3469. This indicates validated use in U.S. government and defense supply chains.
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