PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

9940-1Bearing,ball,annular

B.w. Elliott Manufacturing Co., Llc · NSN 3110-00-771-0525 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-771-0525 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-771-0525. Primary manufacturer part number: 9940-1.
Features
  • Bearing,ball,annular — FSC 3110
  • Shield Quantity: 2
  • Load Direction: ANGULAR
  • Overall Outside Diameter: 52.00 MILLIMETERS NOMINAL MM
  • Material: STEEL OVERALL
  • Style Designator: LOADING GROOVE, NON-SEPARABLE
  • Internal Fit-Up Contact Angular Direction: OUTWARD CONVERGENT
  • Surface Finish: GROUND
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 3110-00-771-0525, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is B.w. Elliott Manufacturing Co., Llc. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3110-00-771-0525
Primary Part Number9940-1
Item NameBearing,ball,annular
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerB.w. Elliott Manufacturing Co., Llc
StatusACTIVE
Shield Quantity2
Load DirectionANGULAR
Overall Outside Diameter52.00 MILLIMETERS NOMINAL MM
MaterialSTEEL OVERALL
Style DesignatorLOADING GROOVE, NON-SEPARABLE
Internal Fit-Up Contact Angular DirectionOUTWARD CONVERGENT
Surface FinishGROUND
Bore ShapeSTRAIGHT
Features ProvidedSNAP RING-GROOVE MOUNTING AND MOUNTING GROOVE
Standard Tolerance DesignationABEC NO.1
Bore Diameter25.00 MILLIMETERS NOMINAL MM
Retainer Fabrication MethodPRESSED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
4730-00-278-5006 INTERCHANGEABLE
Cap,tube
4320-01-378-3065 INTERCHANGEABLE
Gear Rotor Set,rotary Pump
5330-01-591-542599401 INTERCHANGEABLE
Seal,plain
The Timken Corporation
5307-01-599-613999401 INTERCHANGEABLE
Stud,plain
Charles Reed Knight Jr Dba Knight's Armament Company
3120-01-690-719399401 INTERCHANGEABLE
Bearing,sleeve
Skf Usa Inc. Dba Skf Aerospace Sealing Solutions
Cross-Reference Index
Part NumberManufacturer
714451 Army Weapons Command Attn Amswe-Ree-S (USA)
455505 General Motors Corp Delco Moraine Ndh Div (USA)
9940-505 Elliott B W Mfg Co Llc Flex Shaft and Valve Control Product Lines (USA)
9940-1 PRIMARY B.w. Elliott Manufacturing Co., Llc (USA)
9940-1 Elliott B W Mfg Co Llc Flex Shaft and Valve Control Product Lines (USA)
Related Parts
4730-00-278-5006INTERCHANGEABLE
CAP,TUBE
4320-01-378-3065INTERCHANGEABLE
GEAR ROTOR SET,ROTARY PUMP
5330-01-591-5425INTERCHANGEABLE
SEAL,PLAIN
99401
5307-01-599-6139INTERCHANGEABLE
STUD,PLAIN
99401
3120-01-690-7193INTERCHANGEABLE
BEARING,SLEEVE
99401

Frequently Asked Questions

What is NSN 3110-00-771-0525?

NSN 3110-00-771-0525 is a Bearing,ball,annular, manufactured by B.w. Elliott Manufacturing Co., Llc, classified under FSC 3110 (No Item Name Available). Status: active.

What are the part numbers for NSN 3110-00-771-0525?

NSN 3110-00-771-0525 has 5 cross-referenced part numbers: 714451 (Army Weapons Command Attn Amswe-Ree-S), 455505 (General Motors Corp Delco Moraine Ndh Div), 9940-505 (Elliott B W Mfg Co Llc Flex Shaft and Valve Control Product Lines), 9940-1 (B.w. Elliott Manufacturing Co., Llc), 9940-1 (Elliott B W Mfg Co Llc Flex Shaft and Valve Control Product Lines).

What NSN replaces 3110-00-771-0525?

There are 5 known substitutes for 3110-00-771-0525: 4730-00-278-5006, 4320-01-378-3065, 5330-01-591-5425 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 9940-1?

Key specifications for 9940-1: Shield Quantity: 2; Load Direction: ANGULAR; Overall Outside Diameter: 52.00 MILLIMETERS NOMINAL MM; Material: STEEL OVERALL. 13 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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