PartsTable
Technical Data Sheet
PartsTable / MRO / 7-B
7-B ✓ 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

The INTERFERENCE CANCELLATION UNIT is a the manufacturer industrial component. Key specifications include depth: 6.000 INCHES NOMINAL IN, phase: SINGLE, width: 6.000 INCHES NOMINAL IN, length: 8.750 INCHES NOMINAL IN, material: COPPER ALLOY OVERALL, table_type: PLAIN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-156-1721, 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→ 7-B
NSN: 3110-00-156-1721
FSC: 3110
CAGE: 38443 — SKF USA INC. (USA)
SPECIFICATIONS
depth6.000 INCHES NOMINAL IN
phaseSINGLE
width6.000 INCHES NOMINAL IN
length8.750 INCHES NOMINAL IN
materialCOPPER ALLOY OVERALL
quantity1
table_typePLAIN
current_typeAC
power_sourceELECTRIC MOTOR
thread_class2B
mounting_typeBENCH
thread_seriesUNF
NSN3110-00-156-1721
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 7-B · 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
•
THRUST DIRECTIONAL CAPABILITY DESIGNATION: SINGLE
•
STYLE DESIGNATOR: GROOVED RACE SURFACE
•
MATERIAL: STEEL COMP E51100 OR STEEL COMP E52100 OVERALL
•
OVERALL OUTSIDE DIAMETER: 2.0938 INCHES NOMINAL IN
•
BORE SMALLEST DIAMETER: 1.1250 INCHES NOMINAL IN
•
STANDARD TOLERANCE DESIGNATION: AFBMA STD TOLERANCE FOR THRUST BEARINGS
TECHNICAL CHARACTERISTICS (FLIS)
THRUST DIRECTIONAL CAPABILITY DESIGNATIONSINGLE
SPECIAL FEATURES1.2813 LARGE BORE
STYLE DESIGNATORGROOVED RACE SURFACE
OVERALL HEIGHT0.7188 INCHES NOMINAL IN
MATERIALSTEEL COMP E51100 OR STEEL COMP E52100 OVERALL
OVERALL OUTSIDE DIAMETER2.0938 INCHES NOMINAL IN
BORE SMALLEST DIAMETER1.1250 INCHES NOMINAL IN
STANDARD TOLERANCE DESIGNATIONAFBMA STD TOLERANCE FOR THRUST BEARINGS
SURFACE FINISHGROUND
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD ALL MATERIAL RESPONSES OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 24
4310Interchangeable
interchangeable cross-reference
interchangeable
123-39Interchangeable
interchangeable cross-reference
interchangeable
254-102Interchangeable
interchangeable cross-reference
interchangeable
MIL-HDBK-300(PME)Interchangeable
interchangeable cross-reference
interchangeable
38558Interchangeable
interchangeable cross-reference
interchangeable
12Z13110-601Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 7-B?
7-B is a INTERFERENCE CANCELLATION UNIT. It is classified as a MRO (MRO_GENERAL).
What parts can replace 7-B?
There are 24 known substitutes for 7-B: 4310, 123-39, 254-102 and 21 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 7-B?
7-B is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-156-1721. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026