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Technical Data Sheet
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MT305TF — Technical Data Sheet

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— · 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: 0.9843 INCHES NOMINAL IN, overall_width: 17.00 MILLIMETERS NOMINAL MM, load_direction: RADIAL, surface_finish: GROUND. This part is cataloged in the Federal Logistics Information System under NSN 3110-00-555-5338, 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
MT305TF
NSN: 3110-00-555-5338
FSC: 3110
CAGE: 43991 — FAG BEARINGS CORPORATION (USA)
SPECIFICATIONS
materialSTEEL OVERALL
bore_shapeSTRAIGHT
bore_diameter0.9843 INCHES NOMINAL IN
overall_width17.00 MILLIMETERS NOMINAL MM
load_directionRADIAL
surface_finishGROUND
style_designatorLOADING GROOVE, NON-SEPARABLE
overall_outside_diameter2.4409 INCHES NOMINAL IN
internal_fit-up_designationSTANDARD
retainer_fabrication_methodPRESSED
standard_tolerance_designationABEC NO.1
NSN3110-00-555-5338
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: MT305TF · 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: STEEL OVERALL
•
STYLE DESIGNATOR: LOADING GROOVE, NON-SEPARABLE
•
BORE DIAMETER: 0.9843 INCHES NOMINAL IN
•
LOAD DIRECTION: RADIAL
•
INTERNAL FIT-UP DESIGNATION: STANDARD
•
RETAINER FABRICATION METHOD: PRESSED
•
OVERALL OUTSIDE DIAMETER: 2.4409 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
OVERALL WIDTH17.00 MILLIMETERS NOMINAL MM
MATERIALSTEEL OVERALL
STYLE DESIGNATORLOADING GROOVE, NON-SEPARABLE
BORE DIAMETER0.9843 INCHES NOMINAL IN
LOAD DIRECTIONRADIAL
INTERNAL FIT-UP DESIGNATIONSTANDARD
RETAINER FABRICATION METHODPRESSED
OVERALL OUTSIDE DIAMETER2.4409 INCHES NOMINAL IN
SURFACE FINISHGROUND
STANDARD TOLERANCE DESIGNATIONABEC NO.1
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
305WInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
1305InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
DR1305InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
E1862InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
WIR305KInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
I72305InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLEDGOVERNMENT REGISTRY
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MT305TF?
MT305TF is a BEARING,BALL,ANNULAR.
What parts can replace MT305TF?
There are 13 known substitutes for MT305TF: 305W, 1305, DR1305 and 10 more. Substitute compatibility should be verified for your specific system.
Is MT305TF still available?
MT305TF is currently cancelled.
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PartsTable Design LLC · partstable.com
Last verified: September 2026