PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

250001Bearing,ball,annular

Rotron Incorporated · NSN 3110-01-051-2509 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-01-051-2509 — this item is cataloged by the U.S. Government under National Stock Number 3110-01-051-2509. Primary manufacturer part number: 250001.
Features
  • Bearing,ball,annular — FSC 3110
  • Load Direction: RADIAL
  • Lubrication Material: GREASE
  • Style Designator: NON-LOADING GROOVE, NON-SEPARABLE
  • Lubrication Material Document and Classification: MIL-G-23827 MIL SPEC SINGLE MATERIAL RESPONSE
  • Bore Shape: STRAIGHT
  • Standard Tolerance Designation: ABEC NO.1
  • Seal Quantity: 2
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
General Description

The Bearing,ball,annular, cataloged under National Stock Number 3110-01-051-2509, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Rotron Incorporated. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, 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
NSN3110-01-051-2509
Primary Part Number250001
Item NameBearing,ball,annular
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerRotron Incorporated
StatusACTIVE
Load DirectionRADIAL
Lubrication MaterialGREASE
Style DesignatorNON-LOADING GROOVE, NON-SEPARABLE
Lubrication Material Document and ClassificationMIL-G-23827 MIL SPEC SINGLE MATERIAL RESPONSE
Bore ShapeSTRAIGHT
Standard Tolerance DesignationABEC NO.1
Seal Quantity2
Overall Outside Diameter1.2598 MILLIMETERS NOMINAL MM
Bore Diameter0.4724 MILLIMETERS NOMINAL MM
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5340-00-072-3756250001 INTERCHANGEABLE
Plug Assembly,sealing
The Lee Co Dba the Lee Co
2925-00-137-12078645 INTERCHANGEABLE
Frame,contactor
Te Connectivity Corporation
5120-00-138-1658220587 INTERCHANGEABLE
Nozzle,caulking Gun
Prc-Desoto Intl Inc
5365-00-225-85298645 INTERCHANGEABLE
Spacer,ring
Goodrich Corporation
4330-00-392-917151436 INTERCHANGEABLE
Filter Element,fluid
Wix Corp
5835-00-460-57508645 INTERCHANGEABLE
Head,magnetic
Kay Elemetrics Corporation
6625-00-978-3341250-001 INTERCHANGEABLE
Panel,voltmeter
Sypris Electronics, Llc Div Sypris Electronics, Llc - Colorado Field Services
4510-01-007-4397 INTERCHANGEABLE
Bulb,flush,water Closet Tank
5340-01-014-2800PLGA2500010 INTERCHANGEABLE
Plug Assembly,sealing
The Lee Co Dba the Lee Co
2930-01-022-7751WP1082 INTERCHANGEABLE
Pump,cooling System,engine
Elgin Industries Inc. Dba
Cross-Reference Index
Part NumberManufacturer
8645 Rotron Incorporated (USA)
250001 PRIMARY Rotron Incorporated (USA)
Related Parts
5340-00-072-3756INTERCHANGEABLE
PLUG ASSEMBLY,SEALING
250001
2925-00-137-1207INTERCHANGEABLE
FRAME,CONTACTOR
8645
5120-00-138-1658INTERCHANGEABLE
NOZZLE,CAULKING GUN
220587
5365-00-225-8529INTERCHANGEABLE
SPACER,RING
8645
4330-00-392-9171INTERCHANGEABLE
FILTER ELEMENT,FLUID
51436
5835-00-460-5750INTERCHANGEABLE
HEAD,MAGNETIC
8645
6625-00-978-3341INTERCHANGEABLE
PANEL,VOLTMETER
250-001
4510-01-007-4397INTERCHANGEABLE
BULB,FLUSH,WATER CLOSET TANK
5340-01-014-2800INTERCHANGEABLE
PLUG ASSEMBLY,SEALING
PLGA2500010
2930-01-022-7751INTERCHANGEABLE
PUMP,COOLING SYSTEM,ENGINE
WP1082
4935-01-096-7304INTERCHANGEABLE
UNIVERSAL STAND
2500-01
4720-01-180-6053INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
88645

Frequently Asked Questions

What is NSN 3110-01-051-2509?

NSN 3110-01-051-2509 is a Bearing,ball,annular, manufactured by Rotron Incorporated, classified under FSC 3110 (No Item Name Available). Status: active.

What are the part numbers for NSN 3110-01-051-2509?

NSN 3110-01-051-2509 has 2 cross-referenced part numbers: 8645 (Rotron Incorporated), 250001 (Rotron Incorporated).

What NSN replaces 3110-01-051-2509?

There are 12 known substitutes for 3110-01-051-2509: 5340-00-072-3756, 2925-00-137-1207, 5120-00-138-1658 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 250001?

Key specifications for 250001: Load Direction: RADIAL; Lubrication Material: GREASE; Style Designator: NON-LOADING GROOVE, NON-SEPARABLE; Lubrication Material Document and Classification: MIL-G-23827 MIL SPEC SINGLE MATERIAL RESPONSE. 10 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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