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Technical Data Sheet
PartsTable / MRO / B151-8
B151-8 ✓ Verified by PartsTable
— · MRO · MRO_GENERAL
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

RESISTOR,VARIABLE,NONWIRE WOUND,. Key specifications include material: STEEL OVERALL, bore_shape: STRAIGHT, bore_diameter: 30.00 MILLIMETERS NOMINAL MM, contact_angle: 25.0 DEGREES MAXIMUM, overall_width: 19.0 MILLIMETERS NOMINAL MM, alignment_type: SELF-ALIGNING. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-156-5068, 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
MRO→ MRO_GENERAL→ B151-8
NSN: 3110-00-156-5068
FSC: 3110
CAGE: 25729 — GRACE W E MFG CO (USA)
SPECIFICATIONS
materialSTEEL OVERALL
bore_shapeSTRAIGHT
bore_diameter30.00 MILLIMETERS NOMINAL MM
contact_angle25.0 DEGREES MAXIMUM
overall_width19.0 MILLIMETERS NOMINAL MM
alignment_typeSELF-ALIGNING
load_directionANGULAR
surface_finishGROUND
style_designatorLOADING GROOVE, NON-SEPARABLE
lubrication_materialGREASE
self-alignment_locationINTERNAL
overall_outside_diameter72.00 MILLIMETERS NOMINAL MM
NSN3110-00-156-5068
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: B151-8 · 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: 72.00 MILLIMETERS NOMINAL MM
•
SELF-ALIGNMENT LOCATION: INTERNAL
•
CONTACT ANGLE: 25.0 DEGREES MAXIMUM
•
LUBRICATION MATERIAL: GREASE
•
SURFACE FINISH: GROUND
•
LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATION: MIL-G-18709 MIL SPEC SINGLE MATERIAL RESPONSE
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL OUTSIDE DIAMETER72.00 MILLIMETERS NOMINAL MM
SELF-ALIGNMENT LOCATIONINTERNAL
CONTACT ANGLE25.0 DEGREES MAXIMUM
LUBRICATION MATERIALGREASE
SELF-ALIGNMENT LOCATIONINTERNAL
CONTACT ANGLE25.0 DEGREES MAXIMUM
SURFACE FINISHGROUND
LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATIONMIL-G-18709 MIL SPEC SINGLE MATERIAL RESPONSE
ALIGNMENT TYPESELF-ALIGNING
BORE SHAPESTRAIGHT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 27
F15288Interchangeable
interchangeable cross-reference
interchangeable
151BREPEATINGC01LInterchangeable
interchangeable cross-reference
interchangeable
151BInterchangeable
interchangeable cross-reference
interchangeable
B300968AInterchangeable
interchangeable cross-reference
interchangeable
3465T22Interchangeable
interchangeable cross-reference
interchangeable
6300968Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is B151-8?
B151-8 is a RESISTOR,VARIABLE,NONWIRE WOUND,. It is classified as a MRO (MRO_GENERAL).
What parts can replace B151-8?
There are 27 known substitutes for B151-8: F15288, 151BREPEATINGC01L, 151B and 24 more. Substitute compatibility should be verified for your specific system.
Is B151-8 still available?
B151-8 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