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Technical Data Sheet
PartsTable / COMPONENT / B87X
B87X ✓ 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 bore_diameter: 0.5000 INCHES NOMINAL IN, overall_width: 0.4375 INCHES NOMINAL IN, alignment_type: RIGID, style_designator: NON-SEPARABLE, OPEN END, DRAWN SHELL, overall_outside_diameter: 0.6875 INCHES NOMINAL IN, standard_tolerance_designation: AFBMA STD TOLERANCE FOR INDUSTRIAL NEEDLE BEARINGS. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-120-3083, 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
B87X
NSN: 3110-00-120-3083
FSC: 3110
CAGE: 60380 — TIMKEN AEROSPACE, INC DBA TORRINGTON PRODUCT (USA)
SPECIFICATIONS
bore_diameter0.5000 INCHES NOMINAL IN
overall_width0.4375 INCHES NOMINAL IN
alignment_typeRIGID
style_designatorNON-SEPARABLE, OPEN END, DRAWN SHELL
overall_outside_diameter0.6875 INCHES NOMINAL IN
standard_tolerance_designationAFBMA STD TOLERANCE FOR INDUSTRIAL NEEDLE BEARINGS
NSN3110-00-120-3083
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: B87X · 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
•
OVERALL OUTSIDE DIAMETER: 0.6875 INCHES NOMINAL IN
•
BORE DIAMETER: 0.5000 INCHES NOMINAL IN
•
STANDARD TOLERANCE DESIGNATION: AFBMA STD TOLERANCE FOR INDUSTRIAL NEEDLE BEARINGS
•
STYLE DESIGNATOR: NON-SEPARABLE, OPEN END, DRAWN SHELL
•
ALIGNMENT TYPE: RIGID
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL OUTSIDE DIAMETER0.6875 INCHES NOMINAL IN
BORE DIAMETER0.5000 INCHES NOMINAL IN
STANDARD TOLERANCE DESIGNATIONAFBMA STD TOLERANCE FOR INDUSTRIAL NEEDLE BEARINGS
OVERALL WIDTH0.4375 INCHES NOMINAL IN
STYLE DESIGNATORNON-SEPARABLE, OPEN END, DRAWN SHELL
ALIGNMENT TYPERIGID
VERIFIED SUBSTITUTES & CROSS-REFERENCES 19
A11917Interchangeable
interchangeable cross-reference
interchangeable
11917Interchangeable
interchangeable cross-reference
interchangeable
B87Interchangeable
interchangeable cross-reference
interchangeable
47-107Interchangeable
interchangeable cross-reference
interchangeable
JA1N048P103Interchangeable
interchangeable cross-reference
interchangeable
401428-1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is B87X?
B87X is a BEARING,ROLLER,NEEDLE.
What parts can replace B87X?
There are 19 known substitutes for B87X: A11917, 11917, B87 and 16 more. Substitute compatibility should be verified for your specific system.
Is B87X still available?
B87X 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: July 2026