PartsTable
Technical Data Sheet
B74491 ✓ 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 OVERALL, bore_shape: STRAIGHT, bore_diameter: 10.0 MILLIMETERS NOMINAL MM, overall_width: 9.0 MILLIMETERS NOMINAL MM, load_direction: ANGULAR, surface_finish: GROUND. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-554-3088, 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
B74491
NSN: 3110-00-554-3088
FSC: 3110
CAGE: 83298 — ALLIED SIGNAL INC AEROSPACE EQUIPMENT SYSTEMS EATONTOWN SITE (USA)
SPECIFICATIONS
materialSTEEL OVERALL
bore_shapeSTRAIGHT
bore_diameter10.0 MILLIMETERS NOMINAL MM
overall_width9.0 MILLIMETERS NOMINAL MM
load_directionANGULAR
surface_finishGROUND
style_designatorNON-SEPARABLE
overall_outside_diameter30.0 MILLIMETERS NOMINAL MM
internal_fit-up_designationSTANDARD
retainer_fabrication_methodPRESSED
standard_tolerance_designationABEC NO.1
internal_fit-up_contact_angular_directionINWARD CONVERGENT
NSN3110-00-554-3088
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: B74491 · 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
INTERNAL FIT-UP CONTACT ANGULAR DIRECTION: INWARD CONVERGENT
BORE SHAPE: STRAIGHT
STYLE DESIGNATOR: NON-SEPARABLE
MATERIAL: STEEL OVERALL
BORE DIAMETER: 10.0 MILLIMETERS NOMINAL MM
OVERALL OUTSIDE DIAMETER: 30.0 MILLIMETERS NOMINAL MM
SURFACE FINISH: GROUND
LOAD DIRECTION: ANGULAR
TECHNICAL CHARACTERISTICS (FLIS)
INTERNAL FIT-UP CONTACT ANGULAR DIRECTIONINWARD CONVERGENT
BORE SHAPESTRAIGHT
STYLE DESIGNATORNON-SEPARABLE
MATERIALSTEEL OVERALL
BORE DIAMETER10.0 MILLIMETERS NOMINAL MM
OVERALL OUTSIDE DIAMETER30.0 MILLIMETERS NOMINAL MM
SURFACE FINISHGROUND
LOAD DIRECTIONANGULAR
STANDARD TOLERANCE DESIGNATIONABEC NO.1
INTERNAL FIT-UP DESIGNATIONSTANDARD
VERIFIED SUBSTITUTES & CROSS-REFERENCES 31
2801368Interchangeable
interchangeable cross-reference
interchangeable
31041-400-42Interchangeable
interchangeable cross-reference
interchangeable
303SFF01L0AG06A20C000000Interchangeable
interchangeable cross-reference
interchangeable
P303KDDFS50160Interchangeable
interchangeable cross-reference
interchangeable
6303-2ZJC3D0LBInterchangeable
interchangeable cross-reference
interchangeable
603TRS3MInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is B74491?
B74491 is a BEARING,BALL,ANNULAR.
What parts can replace B74491?
There are 31 known substitutes for B74491: 2801368, 31041-400-42, 303SFF01L0AG06A20C000000 and 28 more. Substitute compatibility should be verified for your specific system.
Is B74491 still available?
B74491 is currently cancelled.
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