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Technical Data Sheet
PartsTable / COMPONENT / 10107340
10107340 ✓ 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 BALL,BEARING is a the manufacturer industrial component. Key specifications include material: STEEL COMP 440A OR STEEL COMP 440B OR STEEL COMP 440C OVERALL A, special_features: METALLIC HARDNESS RATING ROCKWELL C MIN 55.0 IN. AND MAX 64.0 IN.

IN, style_designator: BALL, rolling_element_diameter: 0.3750 INCHES NOMINAL IN, standard_tolerance_designation: AFBMA STD TOLERANCE FOR BALLS, GRADE 50, material_document_and_classification: AMS7445 ASSN STD ALL MATERIAL RESPONSES OVERALL. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-138-0123, 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
10107340
NSN: 3110-00-138-0123
FSC: 3110
CAGE: A486G — NIMIKKEISTOKESKUS NCB FINLAND (FIN)
SPECIFICATIONS
materialSTEEL COMP 440A OR STEEL COMP 440B OR STEEL COMP 440C OVERALL A
special_featuresMETALLIC HARDNESS RATING ROCKWELL C MIN 55.0 IN. AND MAX 64.0 IN. IN
style_designatorBALL
rolling_element_diameter0.3750 INCHES NOMINAL IN
standard_tolerance_designationAFBMA STD TOLERANCE FOR BALLS, GRADE 50
material_document_and_classificationAMS7445 ASSN STD ALL MATERIAL RESPONSES OVERALL
NSN3110-00-138-0123
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 10107340 · 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
•
ROLLING ELEMENT DIAMETER: 0.3750 INCHES NOMINAL IN
•
MATERIAL: STEEL COMP 440A OR STEEL COMP 440B OR STEEL COMP 440C OVERALL A
•
STANDARD TOLERANCE DESIGNATION: AFBMA STD TOLERANCE FOR BALLS, GRADE 50
•
STYLE DESIGNATOR: BALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS7445 ASSN STD ALL MATERIAL RESPONSES OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
SPECIAL FEATURESMETALLIC HARDNESS RATING ROCKWELL C MIN 55.0 IN. AND MAX 64.0 IN. IN
ROLLING ELEMENT DIAMETER0.3750 INCHES NOMINAL IN
MATERIALSTEEL COMP 440A OR STEEL COMP 440B OR STEEL COMP 440C OVERALL A
STANDARD TOLERANCE DESIGNATIONAFBMA STD TOLERANCE FOR BALLS, GRADE 50
STYLE DESIGNATORBALL
MATERIAL DOCUMENT AND CLASSIFICATIONAMS7445 ASSN STD ALL MATERIAL RESPONSES OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
7070826P007Interchangeable
interchangeable cross-reference
interchangeable
C77E10 ITEM 31Interchangeable
interchangeable cross-reference
interchangeable
HPS40-12Interchangeable
interchangeable cross-reference
interchangeable
MS9461-11Interchangeable
Same NIIN cross-reference
interchangeable
MS134360Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 10107340?
10107340 is a BALL,BEARING.
What parts can replace 10107340?
There are 5 known substitutes for 10107340: 7070826P007, C77E10 ITEM 31, HPS40-12 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 10107340?
10107340 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-138-0123. 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: July 2026