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4M4145 — BEARING,BALL,ANNULAR

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

4M4145: BEARING,BALL,ANNULAR.

The BEARING,BALL,ANNULAR is a the manufacturer industrial component. Key specifications include bore_shape: STRAIGHT, bore_diameter: 25.00 MILLIMETERS NOMINAL MM, overall_width: 17.0 MILLIMETERS NOMINAL MM, load_direction: RADIAL, surface_finish: GROUND, special_features: SEALS TO BE MADE OF POLYACRYLIC MATERIAL ALSO 40 PCT FULL OF SPECIFIED LUBRICANT. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-985-2248, 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
4M4145
NSN: 3110-00-985-2248
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 11083 — CATERPILLAR INC DIV CATERPILLAR DEFENSE (USA)
SPECIFICATIONS
bore_shapeSTRAIGHT
bore_diameter25.00 MILLIMETERS NOMINAL MM
overall_width17.0 MILLIMETERS NOMINAL MM
seal_quantity2
load_directionRADIAL
surface_finishGROUND
special_featuresSEALS TO BE MADE OF POLYACRYLIC MATERIAL ALSO 40 PCT FULL OF SPECIFIED LUBRICANT
style_designatorNON-LOADING GROOVE, NON-SEPARABLE
bearing_seal_typeCONTACT
lubrication_materialGREASE
overall_outside_diameter62.00 MILLIMETERS NOMINAL MM
internal_fit-up_designationLOOSE
NSN3110-00-985-2248
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 4M4145 · 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
•
RETAINER FABRICATION METHOD: PRESSED
•
BEARING SEAL TYPE: CONTACT
•
LUBRICATION MATERIAL: GREASE
•
INTERNAL FIT-UP DESIGNATION: LOOSE
•
SURFACE FINISH: GROUND
•
STYLE DESIGNATOR: NON-LOADING GROOVE, NON-SEPARABLE
•
OVERALL OUTSIDE DIAMETER: 62.00 MILLIMETERS NOMINAL MM
TECHNICAL CHARACTERISTICS
RETAINER FABRICATION METHODPRESSED
BEARING SEAL TYPECONTACT
LUBRICATION MATERIALGREASE
INTERNAL FIT-UP DESIGNATIONLOOSE
SURFACE FINISHGROUND
STYLE DESIGNATORNON-LOADING GROOVE, NON-SEPARABLE
OVERALL WIDTH17.0 MILLIMETERS NOMINAL MM
OVERALL OUTSIDE DIAMETER62.00 MILLIMETERS NOMINAL MM
BORE SHAPESTRAIGHT
LOAD DIRECTIONRADIAL
SUBSTITUTES & CROSS-REFERENCES 4
907056Reference document
Same NSN cross-reference
Reference document — Secondary reference
Z99605L1BC4Reference document
Same NSN cross-reference
Reference document — Secondary reference
Z99605L1268BC4Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
P305NPPE7588Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 4M4145?
4M4145 is a BEARING,BALL,ANNULAR.
What parts can replace 4M4145?
There are 4 known substitutes for 4M4145: 907056, Z99605L1BC4, Z99605L1268BC4 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 4M4145?
4M4145 is cataloged in the U.S. Government catalog under NSN 3110-00-985-2248. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.