PartsTable
Technical Data Sheet
738870-01 ✓ 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 COMP 440C BALL, bore_shape: STRAIGHT, bore_diameter: 6.5000 INCHES MAXIMUM IN, overall_width: 0.5004 INCHES MAXIMUM 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 3110-00-102-8303, 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
738870-01
NSN: 3110-00-102-8303
FSC: 3110
CAGE: 35351 — GE AVIATION SYSTEMS LLC (USA)
SPECIFICATIONS
materialSTEEL COMP 440C BALL
bore_shapeSTRAIGHT
bore_diameter6.5000 INCHES MAXIMUM IN
overall_width0.5004 INCHES MAXIMUM IN
load_directionRADIAL
surface_finishGROUND
special_featuresRADIAL RUNOUT INNER RING 0.0012 IN. MAX,OUTER RING 0.0018 IN. MAX; ELECTROLIZE BALL PATHS,LANDS AND FACES OF BOTH RACES 0.0001-0.0002THK IN
style_designatorNON-LOADING GROOVE, NON-SEPARABLE
internal_clearance0.0050 INCHES MINIMUM RADIAL AND 0.0065 INCHES MAXIMUM RADIAL IN
lubrication_materialGREASE
overall_outside_diameter7.5000 INCHES MAXIMUM IN
material_document_and_classification66 FED STD SINGLE MATERIAL RESPONSE OUTER RING
NSN3110-00-102-8303
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 738870-01 · 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 CLEARANCE: 0.0050 INCHES MINIMUM RADIAL AND 0.0065 INCHES MAXIMUM RADIAL IN
STYLE DESIGNATOR: NON-LOADING GROOVE, NON-SEPARABLE
BORE SHAPE: STRAIGHT
SURFACE FINISH: GROUND
MATERIAL: STEEL COMP E52100 INNER RING
LOAD DIRECTION: RADIAL
TECHNICAL CHARACTERISTICS (FLIS)
INTERNAL CLEARANCE0.0050 INCHES MINIMUM RADIAL AND 0.0065 INCHES MAXIMUM RADIAL IN
STYLE DESIGNATORNON-LOADING GROOVE, NON-SEPARABLE
BORE SHAPESTRAIGHT
SPECIAL FEATURESRADIAL RUNOUT INNER RING 0.0012 IN. MAX,OUTER RING 0.0018 IN. MAX; ELECTROLIZE BALL PATHS,LANDS AND FACES OF BOTH RACES 0.0001-0.0002THK IN
SURFACE FINISHGROUND
MATERIALSTEEL COMP E52100 INNER RING
MATERIALSTEEL COMP 440C BALL
LOAD DIRECTIONRADIAL
MATERIALCOPPER ALLOY RETAINER
OVERALL OUTSIDE DIAMETER7.5000 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
128SCAV250-1Interchangeable
interchangeable cross-reference
interchangeable
1TL47-1Interchangeable
interchangeable cross-reference
interchangeable
935000-0001Interchangeable
interchangeable cross-reference
interchangeable
MILV18634Interchangeable
interchangeable cross-reference
interchangeable
93501Interchangeable
interchangeable cross-reference
interchangeable
2082-4048-01Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 738870-01?
738870-01 is a BEARING,BALL,ANNULAR.
What parts can replace 738870-01?
There are 11 known substitutes for 738870-01: 128SCAV250-1, 1TL47-1, 935000-0001 and 8 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 738870-01?
738870-01 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-102-8303. This indicates validated use in U.S. government and defense supply chains.
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