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Technical Data Sheet

125C3781-2 — Technical Data Sheet

✓ 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 material: STEEL COMP 440C OUTER RING, bore_shape: STRAIGHT, bore_diameter: 0.7500 INCHES NOMINAL IN, overall_width: 0.4375 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 3110-00-242-4866, 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
125C3781-2
NSN: 3110-00-242-4866
FSC: 3110
CAGE: 43991 — FAG BEARINGS CORPORATION (USA)
SPECIFICATIONS
materialSTEEL COMP 440C OUTER RING
bore_shapeSTRAIGHT
bore_diameter0.7500 INCHES NOMINAL IN
overall_width0.4375 INCHES NOMINAL IN
seal_quantity2
load_directionRADIAL
surface_finishGROUND
style_designatorNON-LOADING GROOVE, NON-SEPARABLE
bearing_seal_typeCONTACT
lubrication_materialGREASE
overall_outside_diameter1.6250 INCHES NOMINAL IN
internal_fit-up_designationSTANDARD
NSN3110-00-242-4866
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 125C3781-2 · 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: 0.7500 INCHES NOMINAL IN
•
INTERNAL FIT-UP DESIGNATION: STANDARD
•
SEAL QUANTITY: 2
•
BEARING SEAL TYPE: CONTACT
•
STANDARD TOLERANCE DESIGNATION: ABEC NO.1
•
RETAINER FABRICATION METHOD: PRESSED
•
LOAD DIRECTION: RADIAL
•
BORE SHAPE: STRAIGHT
TECHNICAL CHARACTERISTICS
BORE DIAMETER0.7500 INCHES NOMINAL IN
INTERNAL FIT-UP DESIGNATIONSTANDARD
SEAL QUANTITY2
BEARING SEAL TYPECONTACT
STANDARD TOLERANCE DESIGNATIONABEC NO.1
RETAINER FABRICATION METHODPRESSED
LOAD DIRECTIONRADIAL
BORE SHAPESTRAIGHT
LUBRICATION MATERIALGREASE
SURFACE FINISHGROUND
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
990013-831InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
3110PL0961315InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
SSZ99R10InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
R-6-ZZ ABEC-I MIL-G-23827InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
125C3781-4InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
S3PPFS160BInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVEGOVERNMENT REGISTRY
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 125C3781-2?
125C3781-2 is a BEARING,BALL,ANNULAR.
What parts can replace 125C3781-2?
There are 15 known substitutes for 125C3781-2: 990013-831, 3110PL0961315, SSZ99R10 and 12 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 125C3781-2?
125C3781-2 is cataloged in the Federal Logistics Information System under NSN 3110-00-242-4866. This indicates validated use in U.S. government and defense supply chains.
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