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Technical Data Sheet
PartsTable / COMPONENT / 156A
156A ✓ 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

CABLE ASSEMBLY,SPECIAL PURPOSE,E. Key specifications include material: PLASTIC BOARD, body_style: T-SHAPE, bore_shape: STRAIGHT, corner_shape: ROUND INSIDE LEFT CORNER, bore_diameter: 0.1875 INCHES NOMINAL IN, overall_width: 0.1094 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-198-2885, 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
156A
NSN: 3110-00-198-2885
FSC: 3110
CAGE: 83086 — NEW HAMPSHIRE BALL BEARINGS INC DIV HITECH DIVISION (USA)
SPECIFICATIONS
materialPLASTIC BOARD
body_styleT-SHAPE
bore_shapeSTRAIGHT
corner_shapeROUND INSIDE LEFT CORNER
bore_diameter0.1875 INCHES NOMINAL IN
overall_width0.1094 INCHES NOMINAL IN
base_thickness0.625 INCHES IN
load_directionRADIAL
overall_length1.000 INCHES NOMINAL IN
surface_finishGROUND
terminal_designFEEDTHRU
special_featuresMOUNTING SCREWS,NUTS AND WASHERS PROVIDED
NSN3110-00-198-2885
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 156A · 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
•
STYLE DESIGNATOR: LOADING GROOVE, NON-SEPARABLE
•
MATERIAL: STEEL OVERALL
•
BORE DIAMETER: 0.1875 INCHES NOMINAL IN
•
OVERALL OUTSIDE DIAMETER: 0.3125 INCHES NOMINAL IN
•
LOAD DIRECTION: RADIAL
•
STANDARD TOLERANCE DESIGNATION: ABEC NO.5
•
BORE SHAPE: STRAIGHT
TYPICAL APPLICATIONS
  • Server Internal Cabling
  • Data Center Cable Infrastructure
  • SAS/SATA Drive Connectivity
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL WIDTH0.1094 INCHES NOMINAL IN
STYLE DESIGNATORLOADING GROOVE, NON-SEPARABLE
MATERIALSTEEL OVERALL
BORE DIAMETER0.1875 INCHES NOMINAL IN
OVERALL OUTSIDE DIAMETER0.3125 INCHES NOMINAL IN
LOAD DIRECTIONRADIAL
STANDARD TOLERANCE DESIGNATIONABEC NO.5
BORE SHAPESTRAIGHT
INTERNAL FIT-UP DESIGNATIONSTANDARD
SURFACE FINISHGROUND
VERIFIED SUBSTITUTES & CROSS-REFERENCES 24
STYLE234Interchangeable
interchangeable cross-reference
interchangeable
7-14-022Interchangeable
interchangeable cross-reference
interchangeable
MILR3065Interchangeable
interchangeable cross-reference
interchangeable
55-22157-18USInterchangeable
interchangeable cross-reference
interchangeable
654E0039D054AInterchangeable
interchangeable cross-reference
interchangeable
654Q0138D054AInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 156A?
156A is a CABLE ASSEMBLY,SPECIAL PURPOSE,E.
What parts can replace 156A?
There are 24 known substitutes for 156A: STYLE234, 7-14-022, MILR3065 and 21 more. Substitute compatibility should be verified for your specific system.
Is 156A still available?
156A 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