PartsTable
Technical Data Sheet
B-3140 ✓ 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 INNER RING, bore_shape: STRAIGHT, bore_diameter: 45.00 MILLIMETERS NOMINAL MM, overall_width: 1.1420 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 (FLIS) under NSN 3110-00-156-4273, 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
B-3140
NSN: 3110-00-156-4273
FSC: 3110
CAGE: 14541 — COOPER MACHINERY SERVICES LLC (USA)
SPECIFICATIONS
materialSTEEL INNER RING
bore_shapeSTRAIGHT
bore_diameter45.00 MILLIMETERS NOMINAL MM
overall_width1.1420 INCHES NOMINAL IN
seal_quantity2
load_directionRADIAL
surface_finishGROUND
style_designatorNON-LOADING GROOVE, NON-SEPARABLE
lubrication_materialGREASE
overall_outside_diameter85.00 MILLIMETERS NOMINAL MM
internal_fit-up_designationSTANDARD
retainer_fabrication_methodPRESSED
NSN3110-00-156-4273
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: B-3140 · 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
STANDARD TOLERANCE DESIGNATION: ABEC NO.1
LUBRICATION MATERIAL: GREASE
RETAINER FABRICATION METHOD: PRESSED
BORE SHAPE: STRAIGHT
LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATION: MIL-G-18709 MIL SPEC SINGLE MATERIAL RESPONSE
SEAL QUANTITY: 2
INTERNAL FIT-UP DESIGNATION: STANDARD
TECHNICAL CHARACTERISTICS (FLIS)
STANDARD TOLERANCE DESIGNATIONABEC NO.1
STANDARD TOLERANCE DESIGNATIONABEC NO.1
LUBRICATION MATERIALGREASE
RETAINER FABRICATION METHODPRESSED
BORE SHAPESTRAIGHT
LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATIONMIL-G-18709 MIL SPEC SINGLE MATERIAL RESPONSE
SEAL QUANTITY2
INTERNAL FIT-UP DESIGNATIONSTANDARD
SURFACE FINISHGROUND
LOAD DIRECTIONRADIAL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
B3140Interchangeable
interchangeable cross-reference
interchangeable
9-310040Interchangeable
interchangeable cross-reference
interchangeable
77045Interchangeable
interchangeable cross-reference
interchangeable
3242728Interchangeable
interchangeable cross-reference
interchangeable
4528BPCInterchangeable
interchangeable cross-reference
interchangeable
1820-1356Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is B-3140?
B-3140 is a BEARING,BALL,ANNULAR.
What parts can replace B-3140?
There are 6 known substitutes for B-3140: B3140, 9-310040, 77045 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for B-3140?
B-3140 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-156-4273. This indicates validated use in U.S. government and defense supply chains.
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