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Technical Data Sheet
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144527 — Technical Data Sheet

✓ 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,ROLLER,CYLINDRICAL is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, bore_shape: STRAIGHT, bore_diameter: 2.6250 INCHES NOMINAL IN, surface_finish: GROUND, inner_ring_width: 0.9750 INCHES NOMINAL IN, locating_feature: NONLOCATING. This part is cataloged in the Federal Logistics Information System under NSN 3110-00-158-7219, 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
144527
NSN: 3110-00-158-7219
FSC: 3110
CAGE: 11862 — GENERAL MOTORS CORP CHEVROLET MOTOR DIV SPECIAL PRODUCTS DEPT (USA)
SPECIFICATIONS
materialSTEEL OVERALL
bore_shapeSTRAIGHT
bore_diameter2.6250 INCHES NOMINAL IN
surface_finishGROUND
inner_ring_width0.9750 INCHES NOMINAL IN
locating_featureNONLOCATING
outer_ring_width0.7840 INCHES NOMINAL IN
special_featuresCONTACT ANGLE 12 1/2 DEG,OUTER RING OD RADIUS 0.0600 IN.,INNER RING ID RADIUS 0.1250 IN.,SNAP RING ON OD OF INNER RING IN
style_designatorANGULAR CONTACT, SPHERICAL ROLLERS, SEPARABLE
overall_outside_diameter4.4680 INCHES NOMINAL IN
internal_fit-up_designationSTANDARD
retainer_fabrication_methodPRESSED
NSN3110-00-158-7219
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 144527 · 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
•
BORE SHAPE: STRAIGHT
•
BORE DIAMETER: 2.6250 INCHES NOMINAL IN
•
OVERALL OUTSIDE DIAMETER: 4.4680 INCHES NOMINAL IN
•
MATERIAL: STEEL OVERALL
•
STYLE DESIGNATOR: ANGULAR CONTACT, SPHERICAL ROLLERS, SEPARABLE
TECHNICAL CHARACTERISTICS
BORE SHAPESTRAIGHT
BORE DIAMETER2.6250 INCHES NOMINAL IN
OVERALL OUTSIDE DIAMETER4.4680 INCHES NOMINAL IN
BORE SHAPESTRAIGHT
SPECIAL FEATURESCONTACT ANGLE 12 1/2 DEG,OUTER RING OD RADIUS 0.0600 IN.,INNER RING ID RADIUS 0.1250 IN.,SNAP RING ON OD OF INNER RING IN
SPECIAL FEATURESCONTACT ANGLE 12 1/2 DEG,OUTER RING OD RADIUS 0.0600 IN.,INNER RING ID RADIUS 0.1250 IN.,SNAP RING ON OD OF INNER RING IN
MATERIALSTEEL OVERALL
STYLE DESIGNATORANGULAR CONTACT, SPHERICAL ROLLERS, SEPARABLE
INTERNAL FIT-UP DESIGNATIONSTANDARD
STANDARD TOLERANCE DESIGNATIONRBEC NO.1
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
127631InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
9172306InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
Z12-10InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
878902-00InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
KD12051ZInterchangeableGOVERNMENT REGISTRY
Same NIIN cross-reference
interchangeable
707609InterchangeableGOVERNMENT REGISTRY
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLEDGOVERNMENT REGISTRY
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 144527?
144527 is a BEARING,ROLLER,CYLINDRICAL.
What parts can replace 144527?
There are 6 known substitutes for 144527: 127631, 9172306, Z12-10 and 3 more. Substitute compatibility should be verified for your specific system.
Is 144527 still available?
144527 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: October 2026