PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

72-6970-129Bearing,ball,annular

Fairbanks Morse, Llc · NSN 3110-00-156-5120 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-156-5120 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-156-5120. Primary manufacturer part number: 72-6970-129.
Features
  • Bearing,ball,annular — FSC 3110
  • Standard Tolerance Designation: ABEC NO.1
  • Material: STEEL OVERALL
  • Alignment Type: SELF-ALIGNING
  • Self-Alignment Location: INTERNAL
  • Nondefinitive Spec/std Data: 123 TYPE AND 00 GRADE
  • Style Designator: NON-SEPARABLE
  • Nondefinitive Spec/std Data: 123 TYPE AND 00 GRADE
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Steel Overall construction
General Description

The Bearing,ball,annular, cataloged under National Stock Number 3110-00-156-5120, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Fairbanks Morse, Llc. Government technical data includes 24 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 10 commercial cross-references from 10 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3110-00-156-5120
Primary Part Number72-6970-129
Item NameBearing,ball,annular
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerFairbanks Morse, Llc
StatusACTIVE
Standard Tolerance DesignationABEC NO.1
MaterialSTEEL OVERALL
Alignment TypeSELF-ALIGNING
Self-Alignment LocationINTERNAL
Nondefinitive Spec/std Data123 TYPE AND 00 GRADE
Style DesignatorNON-SEPARABLE
Nondefinitive Spec/std Data123 TYPE AND 00 GRADE
Load DirectionANGULAR
Internal Fit-Up Contact Angular DirectionINWARD CONVERGENT
Internal Fit-Up Contact Angular DirectionINWARD CONVERGENT
Retainer Fabrication MethodPRESSED
Load DirectionANGULAR
MaterialSTEEL OVERALL
Bore Diameter70.00 MILLIMETERS NOMINAL MM
Overall Outside Diameter150.00 MILLIMETERS NOMINAL MM
Style DesignatorNON-SEPARABLE
Bore ShapeSTRAIGHT
Surface FinishGROUND
Internal Fit-Up DesignationSTANDARD
Self-Alignment LocationINTERNAL
Bore ShapeSTRAIGHT
Alignment TypeSELF-ALIGNING
Standard Tolerance DesignationABEC NO.1
Internal Fit-Up DesignationSTANDARD
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5975-00-079-41691533 INTERCHANGEABLE
Entrance Cap,electrical
Abb Installation Products Inc
4320-00-218-2585124 INTERCHANGEABLE
Ring,seal
Circor Naval Solutions Llc Dba Warren Pumps
5950-00-247-81392314 INTERCHANGEABLE
Transformer,power
Precision Electronics, Inc
2540-00-273-713115461 INTERCHANGEABLE
Blade,windshield Wiper
Navistar Intl Corp Melrose Park Engine Plant Location /melrose Park/
7920-00-366-5743 INTERCHANGEABLE
Towel,machinery Wiping
4935-00-407-8271 INTERCHANGEABLE
Printed Circuit Car
6240-00-880-71392314 INTERCHANGEABLE
Lamp,incandescent
Gte Products Corp Lighting Products Group Hillsboro Miniature Lamp Plant
5820-01-081-35272314 INTERCHANGEABLE
Receiver Subassembly,radio
Audiosears Corp Dba Audiosears Corp
3020-01-124-86012314 INTERCHANGEABLE
Gear,worm
Carlisle & Finch Co
5325-01-235-766023140 INTERCHANGEABLE
Ring,retaining
Glassline Corp Div Glassline Corporation
Cross-Reference Index
Part NumberManufacturer
72-6970-129 Coltec Industries Inc Dba Fairbanks Morse Engine Fm/alco (USA)
72-6970-129 PRIMARY Fairbanks Morse, Llc (USA)
FFB171 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
177009-120 PRIMARY Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
2314SA PRIMARY Schatz Bearing Corporation Dba Schatz Bearing Corp (USA)
1B5386 PRIMARY Caterpillar Inc Div Caterpillar Defense (USA)
U370W PRIMARY Fag Bearings Corporation (USA)
827826 PRIMARY Garwood/feller Inc Garwood Winch Div (USA)
2314 PRIMARY Skf Usa Inc. (USA)
L6314 PRIMARY Timken Co Div the Timken Company (USA)
Related Parts
5975-00-079-4169INTERCHANGEABLE
ENTRANCE CAP,ELECTRICAL
1533
4320-00-218-2585INTERCHANGEABLE
RING,SEAL
124
5950-00-247-8139INTERCHANGEABLE
TRANSFORMER,POWER
2314
2540-00-273-7131INTERCHANGEABLE
BLADE,WINDSHIELD WIPER
15461
7920-00-366-5743INTERCHANGEABLE
TOWEL,MACHINERY WIPING
4935-00-407-8271INTERCHANGEABLE
PRINTED CIRCUIT CAR
6240-00-880-7139INTERCHANGEABLE
LAMP,INCANDESCENT
2314
5820-01-081-3527INTERCHANGEABLE
RECEIVER SUBASSEMBLY,RADIO
2314
3020-01-124-8601INTERCHANGEABLE
GEAR,WORM
2314
5325-01-235-7660INTERCHANGEABLE
RING,RETAINING
23140
5962-01-294-4753INTERCHANGEABLE
MICROCIRCUIT,MEMORY
51023-0014
5945-01-340-8752INTERCHANGEABLE
SOLENOID,ELECTRICAL

Frequently Asked Questions

What is NSN 3110-00-156-5120?

NSN 3110-00-156-5120 is a Bearing,ball,annular, manufactured by Fairbanks Morse, Llc, classified under FSC 3110 (No Item Name Available). Status: active.

What are the part numbers for NSN 3110-00-156-5120?

NSN 3110-00-156-5120 has 10 cross-referenced part numbers: 72-6970-129 (Coltec Industries Inc Dba Fairbanks Morse Engine Fm/alco), 72-6970-129 (Fairbanks Morse, Llc), FFB171 (Federal Specifications Promulgated by General Services Administration Washington DC), 177009-120 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 2314SA (Schatz Bearing Corporation Dba Schatz Bearing Corp) and 5 more.

What NSN replaces 3110-00-156-5120?

There are 12 known substitutes for 3110-00-156-5120: 5975-00-079-4169, 4320-00-218-2585, 5950-00-247-8139 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 72-6970-129?

Key specifications for 72-6970-129: Standard Tolerance Designation: ABEC NO.1; Material: STEEL OVERALL; Alignment Type: SELF-ALIGNING; Self-Alignment Location: INTERNAL. 25 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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