PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A181-70Bearing,ball,annular

Dresser Industries Inc Leroi Div · NSN 3110-00-155-6734 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-155-6734 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-155-6734. Primary manufacturer part number: A181-70.
Features
  • Bearing,ball,annular — FSC 3110
  • Bore Diameter: 50.00 MILLIMETERS NOMINAL MM
  • Material: STEEL INNER RING
  • Style Designator: LOADING GROOVE, NON-SEPARABLE
  • Material: STEEL OUTER RING
  • Surface Finish: GROUND
  • Material: STEEL BALL
  • Load Direction: RADIAL
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Steel Inner Ring construction
General Description

The Bearing,ball,annular, cataloged under National Stock Number 3110-00-155-6734, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Dresser Industries Inc Leroi Div. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 50 commercial cross-references from 38 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
NSN3110-00-155-6734
Primary Part NumberA181-70
Item NameBearing,ball,annular
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerDresser Industries Inc Leroi Div
StatusACTIVE
Bore Diameter50.00 MILLIMETERS NOMINAL MM
MaterialSTEEL INNER RING
Style DesignatorLOADING GROOVE, NON-SEPARABLE
MaterialSTEEL OUTER RING
Surface FinishGROUND
MaterialSTEEL BALL
Load DirectionRADIAL
Standard Tolerance DesignationABEC NO.1
Internal Fit-Up DesignationSTANDARD
Bore ShapeSTRAIGHT
Overall Outside Diameter90.00 MILLIMETERS NOMINAL MM
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5306-00-021-6922DW1264 INTERCHANGEABLE
Bolt,machine
Abm Equipment, Llc
5360-00-075-04312795-63 INTERCHANGEABLE
Spring,helical,compression
Lawler Manufacturing Company, Inc.
5930-00-097-755321003A4 INTERCHANGEABLE
Switch,rotary
Electro Switch Corp. Dba Electro Switch Corp
5950-00-100-1121 INTERCHANGEABLE
Reactor
3110-00-144-8540113276-17 INTERCHANGEABLE
Bearing,ball,annular
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
3110-00-155-6735 INTERCHANGEABLE
Bearing,ball,annular
5133-00-189-9266 INTERCHANGEABLE
Drill,twist
5315-00-221-5976117870-008 INTERCHANGEABLE
Pin,tapered,plain
Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems
6740-00-224-9662 INTERCHANGEABLE
Dry Mounting Press,photograph
5133-00-228-1393 INTERCHANGEABLE
Drill,twist
Cross-Reference Index
Part NumberManufacturer
15021 Paccar Government Group Co Yarrow Bay Office Pk (USA)
CAKX1AM U S Army Tank Automotive Command Amsta-Im-Mm (USA)
GAA6934C Ford Motor Co Ford Parts and Service Div Government Part Sales (USA)
JX448-20B Lucas Western Inc (USA)
U130 Allis-Chalmers Corp (USA)
1210 General Motors Llc Dba General Motors Llc (USA)
A181-70 PRIMARY Dresser Industries Inc Leroi Div (USA)
RT8100-37 Jaeger Machine Co (USA)
827765 Jayell Co (USA)
1210 General Motors Corp Delco Moraine Ndh Div (USA)
658022 Clark Equipment Co (USA)
311322 Vme Americas Inc Sub of Vme Group N V (USA)
41210 PRIMARY Hyster-Yale Group, Inc. (USA)
658022 Clark Material Handling Company (USA)
RT8726 Jaeger Machine Co (USA)
GAA6934B Ford Motor Co Ford Parts and Service Div Government Part Sales (USA)
50BL02 PRIMARY Anti-Friction Bearing Mfg Assn Inc the (USA)
261204000 Bcp Construction Products Div of Terex Corp (USA)
150525 PRIMARY Chrysler Realty Company Llc Dba Daimler Chrysler (USA)
HL35G39500-1 PRIMARY Cincinnati Machine Co (USA)
Related Parts
5306-00-021-6922INTERCHANGEABLE
BOLT,MACHINE
DW1264
5360-00-075-0431INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
2795-63
5930-00-097-7553INTERCHANGEABLE
SWITCH,ROTARY
21003A4
5950-00-100-1121INTERCHANGEABLE
REACTOR
3110-00-144-8540INTERCHANGEABLE
BEARING,BALL,ANNULAR
113276-17
3110-00-155-6735INTERCHANGEABLE
BEARING,BALL,ANNULAR
5133-00-189-9266INTERCHANGEABLE
DRILL,TWIST
5315-00-221-5976INTERCHANGEABLE
PIN,TAPERED,PLAIN
117870-008
6740-00-224-9662INTERCHANGEABLE
DRY MOUNTING PRESS,PHOTOGRAPH
5133-00-228-1393INTERCHANGEABLE
DRILL,TWIST
5950-00-237-2773INTERCHANGEABLE
TRANSFORMER,POWER
9100-0292
5940-00-245-5949INTERCHANGEABLE
TERMINAL,LUG
10015366-028

Frequently Asked Questions

What is NSN 3110-00-155-6734?

NSN 3110-00-155-6734 is a Bearing,ball,annular, manufactured by Dresser Industries Inc Leroi Div, classified under FSC 3110 (No Item Name Available). Status: active.

What are the part numbers for NSN 3110-00-155-6734?

NSN 3110-00-155-6734 has 50 cross-referenced part numbers: 15021 (Paccar Government Group Co Yarrow Bay Office Pk), CAKX1AM (U S Army Tank Automotive Command Amsta-Im-Mm), GAA6934C (Ford Motor Co Ford Parts and Service Div Government Part Sales), JX448-20B (Lucas Western Inc), U130 (Allis-Chalmers Corp) and 45 more.

What NSN replaces 3110-00-155-6734?

There are 12 known substitutes for 3110-00-155-6734: 5306-00-021-6922, 5360-00-075-0431, 5930-00-097-7553 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of A181-70?

Key specifications for A181-70: Bore Diameter: 50.00 MILLIMETERS NOMINAL MM; Material: STEEL INNER RING; Style Designator: LOADING GROOVE, NON-SEPARABLE; Material: STEEL OUTER RING. 12 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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