PartsTable
Technical Data Sheet
125C3781 ✓ 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: RUBBER SYNTHETIC SEAL, bore_shape: STRAIGHT, bore_diameter: 0.3747 INCHES MINIMUM AND 0.3750 INCHES MAXIMUM IN, overall_width: 0.2762 INCHES MINIMUM AND 0.2812 INCHES MAXIMUM IN, load_direction: RADIAL, surface_finish: GROUND. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-001-8158, 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
NSN: 3110-00-001-8158
FSC: 3110
CAGE: 05606 — GENERAL DYNAMICS-OTS, INC. DIV ORDNANCE AND TACTICAL SYSTEMS (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC SEAL
bore_shapeSTRAIGHT
bore_diameter0.3747 INCHES MINIMUM AND 0.3750 INCHES MAXIMUM IN
overall_width0.2762 INCHES MINIMUM AND 0.2812 INCHES MAXIMUM IN
seal_quantity2
load_directionRADIAL
surface_finishGROUND
style_designatorNON-LOADING GROOVE, NON-SEPARABLE
bearing_seal_typeCONTACT
lubrication_materialGREASE
overall_outside_diameter0.8746 INCHES MINIMUM AND 0.8750 INCHES MAXIMUM IN
internal_fit-up_designationSTANDARD
NSN3110-00-001-8158
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 125C3781 · 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 DOCUMENT AND CLASSIFICATION: 66 FED STD SINGLE MATERIAL RESPONSE OUTER RING
LOAD DIRECTION: RADIAL
INTERNAL FIT-UP DESIGNATION: STANDARD
MATERIAL: STEEL COMP 440C BALL
SURFACE FINISH: GROUND
TECHNICAL CHARACTERISTICS (FLIS)
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD SINGLE MATERIAL RESPONSE OUTER RING
LOAD DIRECTIONRADIAL
INTERNAL FIT-UP DESIGNATIONSTANDARD
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD SINGLE MATERIAL RESPONSE INNER RING
MATERIALSTEEL COMP 440C BALL
MATERIALSTEEL COMP 440C INNER RING
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD SINGLE MATERIAL RESPONSE BALL
SURFACE FINISHGROUND
STYLE DESIGNATORNON-LOADING GROOVE, NON-SEPARABLE
MATERIALSTEEL CORROSION RESISTING RETAINER
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
SSRI-2634DDRDA1Interchangeable
interchangeable cross-reference
interchangeable
3110PL0958381Interchangeable
interchangeable cross-reference
interchangeable
10107363Interchangeable
interchangeable cross-reference
interchangeable
R-6-ZZ ABEC-I MIL-G-23827Interchangeable
interchangeable cross-reference
interchangeable
125C3781-4Interchangeable
interchangeable cross-reference
interchangeable
S3PPFS160BInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 125C3781?
125C3781 is a BEARING,BALL,ANNULAR.
What parts can replace 125C3781?
There are 17 known substitutes for 125C3781: SSRI-2634DDRDA1, 3110PL0958381, 10107363 and 14 more. Substitute compatibility should be verified for your specific system.
Is 125C3781 still available?
125C3781 is currently cancelled.
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