PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A1781Bearing,ball,annular

Crane Pumps & Systems Pft Corp Div Crane Pumps & System Pft Corp. · NSN 3110-00-142-6004 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-142-6004 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-142-6004. Primary manufacturer part number: A1781.
Features
  • Bearing,ball,annular — FSC 3110
  • Surface Finish: GROUND
  • Bore Shape: STRAIGHT
  • Load Direction: RADIAL
  • Standard Tolerance Designation: ABEC NO.1
  • Shield Quantity: 2
  • Style Designator: NON-LOADING GROOVE, NON-SEPARABLE
  • Internal Clearance: 0.0002 INCHES MINIMUM RADIAL AND 0.0002 INCHES MAXIMUM RADIAL AND 0.0006 INCHES MAXIMUM RADIAL IN
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 3110-00-142-6004, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Crane Pumps & Systems Pft Corp Div Crane Pumps & System Pft Corp.. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN3110-00-142-6004
Primary Part NumberA1781
Item NameBearing,ball,annular
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerCrane Pumps & Systems Pft Corp Div Crane Pumps & System Pft Corp.
StatusCANCELLED
Surface FinishGROUND
Bore ShapeSTRAIGHT
Load DirectionRADIAL
Standard Tolerance DesignationABEC NO.1
Shield Quantity2
Style DesignatorNON-LOADING GROOVE, NON-SEPARABLE
Internal Clearance0.0002 INCHES MINIMUM RADIAL AND 0.0002 INCHES MAXIMUM RADIAL AND 0.0006 INCHES MAXIMUM RADIAL IN
Overall Outside Diameter40.00 MILLIMETERS NOMINAL MM
Bore Diameter17.00 MILLIMETERS NOMINAL MM
MaterialSTEEL OVERALL
Lubrication MaterialGREASE
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 4
3110-00-144-8589 INTERCHANGEABLE
Bearing,ball,annular
6685-00-243-7166A1781 INTERCHANGEABLE
Plate Assembly
Aerosonic Llc
5999-01-297-5981755017A9038 INTERCHANGEABLE
Contact,electrical
Marine Corps
8455-01-673-8791 INTERCHANGEABLE
Insignia,shoulder Sleeve
Cross-Reference Index
Part NumberManufacturer
A1781 PRIMARY Crane Pumps & Systems Pft Corp Div Crane Pumps & System Pft Corp. (USA)
275087106 Franklin Electric Co Inc (USA)
77503XR1225C General Motors Corp Delco Moraine Ndh Div (USA)
2R415 W.w. Grainger, Inc. Div Government Sales Division (USA)
4X441 W.w. Grainger, Inc. Div Government Sales Division (USA)
275087-106 Franklin Electric Co Inc (USA)
Related Parts
3110-00-144-8589INTERCHANGEABLE
BEARING,BALL,ANNULAR
6685-00-243-7166INTERCHANGEABLE
PLATE ASSEMBLY
A1781
5999-01-297-5981INTERCHANGEABLE
CONTACT,ELECTRICAL
755017A9038
8455-01-673-8791INTERCHANGEABLE
INSIGNIA,SHOULDER SLEEVE

Frequently Asked Questions

What is NSN 3110-00-142-6004?

NSN 3110-00-142-6004 is a Bearing,ball,annular, manufactured by Crane Pumps & Systems Pft Corp Div Crane Pumps & System Pft Corp., classified under FSC 3110 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3110-00-142-6004?

NSN 3110-00-142-6004 has 6 cross-referenced part numbers: A1781 (Crane Pumps & Systems Pft Corp Div Crane Pumps & System Pft Corp.), 275087106 (Franklin Electric Co Inc), 77503XR1225C (General Motors Corp Delco Moraine Ndh Div), 2R415 (W.w. Grainger, Inc. Div Government Sales Division), 4X441 (W.w. Grainger, Inc. Div Government Sales Division) and 1 more.

What NSN replaces 3110-00-142-6004?

There are 4 known substitutes for 3110-00-142-6004: 3110-00-144-8589, 6685-00-243-7166, 5999-01-297-5981 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of A1781?

Key specifications for A1781: Surface Finish: GROUND; Bore Shape: STRAIGHT; Load Direction: RADIAL; Standard Tolerance Designation: ABEC NO.1. 13 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3110-00-142-6004 still in active supply?

NSN 3110-00-142-6004 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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