PartsTable
Technical Data Sheet
B77X0H ✓ 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,NEEDLE is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, bore_diameter: 0.4375 INCHES NOMINAL IN, overall_width: 0.4370 INCHES NOMINAL IN, alignment_type: RIGID, surface_finish: GROUND, special_features: OIL HOLE IN OUTER RACE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-432-5469, 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
B77X0H
NSN: 3110-00-432-5469
FSC: 3110
CAGE: 60380 — TIMKEN AEROSPACE, INC DBA TORRINGTON PRODUCT (USA)
SPECIFICATIONS
materialSTEEL OVERALL
bore_diameter0.4375 INCHES NOMINAL IN
overall_width0.4370 INCHES NOMINAL IN
alignment_typeRIGID
surface_finishGROUND
special_featuresOIL HOLE IN OUTER RACE
style_designatorNON-SEPARABLE, OPEN END, DRAWN SHELL
overall_outside_diameter0.6250 INCHES NOMINAL IN
retainer_fabrication_methodPRESSED
standard_tolerance_designationAFBMA STD TOLERANCE FOR INDUSTRIAL NEEDLE BEARINGS
NSN3110-00-432-5469
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: B77X0H · 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 DIAMETER: 0.4375 INCHES NOMINAL IN
MATERIAL: STEEL OVERALL
RETAINER FABRICATION METHOD: PRESSED
SURFACE FINISH: GROUND
STYLE DESIGNATOR: NON-SEPARABLE, OPEN END, DRAWN SHELL
STANDARD TOLERANCE DESIGNATION: AFBMA STD TOLERANCE FOR INDUSTRIAL NEEDLE BEARINGS
TECHNICAL CHARACTERISTICS (FLIS)
BORE DIAMETER0.4375 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
RETAINER FABRICATION METHODPRESSED
SURFACE FINISHGROUND
STYLE DESIGNATORNON-SEPARABLE, OPEN END, DRAWN SHELL
SPECIAL FEATURESOIL HOLE IN OUTER RACE
OVERALL WIDTH0.4370 INCHES NOMINAL IN
STANDARD TOLERANCE DESIGNATIONAFBMA STD TOLERANCE FOR INDUSTRIAL NEEDLE BEARINGS
ALIGNMENT TYPERIGID
OVERALL OUTSIDE DIAMETER0.6250 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 20
1525Interchangeable
interchangeable cross-reference
interchangeable
3M1525-2Interchangeable
interchangeable cross-reference
interchangeable
1525-2Interchangeable
interchangeable cross-reference
interchangeable
4B5178Interchangeable
interchangeable cross-reference
interchangeable
317096Interchangeable
interchangeable cross-reference
interchangeable
28696DInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is B77X0H?
B77X0H is a BEARING,ROLLER,NEEDLE.
What parts can replace B77X0H?
There are 20 known substitutes for B77X0H: 1525, 3M1525-2, 1525-2 and 17 more. Substitute compatibility should be verified for your specific system.
What is the NSN for B77X0H?
B77X0H is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-432-5469. This indicates validated use in U.S. government and defense supply chains.
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