PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

288948Bearing,ball,annular

Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney · NSN 3110-00-682-4575 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-682-4575 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-682-4575. Primary manufacturer part number: 288948.
Features
  • Bearing,ball,annular — FSC 3110
  • Retainer Fabrication Method: PRESSED
  • Standard Tolerance Designation: ABEC NO.1
  • Overall Outside Diameter: 7.0866 INCHES NOMINAL IN
  • Bore Shape: STRAIGHT
  • Bore Diameter: 3.9370 INCHES NOMINAL IN
  • Style Designator: NON-LOADING GROOVE, NON-SEPARABLE
  • Internal Fit-Up Designation: STANDARD
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 3110-00-682-4575, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 13 commercial cross-references from 7 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
NSN3110-00-682-4575
Primary Part Number288948
Item NameBearing,ball,annular
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerRtx Corporation Dba Pratt & Whitney Div Pratt &whitney
StatusCANCELLED
Retainer Fabrication MethodPRESSED
Standard Tolerance DesignationABEC NO.1
Overall Outside Diameter7.0866 INCHES NOMINAL IN
Bore ShapeSTRAIGHT
Bore Diameter3.9370 INCHES NOMINAL IN
Style DesignatorNON-LOADING GROOVE, NON-SEPARABLE
Internal Fit-Up DesignationSTANDARD
Load DirectionRADIAL
MaterialSTEEL OVERALL
Surface FinishGROUND
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 4
5330-00-250-5817 INTERCHANGEABLE
Gasket
5310-00-807-251333488 INTERCHANGEABLE
Washer,recessed
Kidde Technologies, Inc Div Kidde Aerospace and Defense
5930-00-884-1615P47AA-1 INTERCHANGEABLE
Switch,pressure
Johnson Controls Inc Control Products Div
5930-01-011-0759 INTERCHANGEABLE
Switch,rotary
Cross-Reference Index
Part NumberManufacturer
220SV7Q4A4X7-9 Skf Usa Inc. (USA)
3220AMX1 General Motors Corp Delco Moraine Ndh Div (USA)
33488 Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
3220AMX1 General Motors Llc Dba General Motors Llc (USA)
33488 Colt Industries Operating Corp Pratt and Whitney Machine Tool Div
465535 Skf Usa Inc. (USA)
357278 Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
288915 Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
288916 Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
3220AMX1 General Motors Corp (USA)
288948 PRIMARY Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
288948 Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp. (CAN)
220SV7QXA4X7-9 Skf Usa Inc. (USA)
Related Parts
5330-00-250-5817INTERCHANGEABLE
GASKET
5310-00-807-2513INTERCHANGEABLE
WASHER,RECESSED
33488
5930-00-884-1615INTERCHANGEABLE
SWITCH,PRESSURE
P47AA-1
5930-01-011-0759INTERCHANGEABLE
SWITCH,ROTARY

Frequently Asked Questions

What is NSN 3110-00-682-4575?

NSN 3110-00-682-4575 is a Bearing,ball,annular, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 3110 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3110-00-682-4575?

NSN 3110-00-682-4575 has 13 cross-referenced part numbers: 220SV7Q4A4X7-9 (Skf Usa Inc.), 3220AMX1 (General Motors Corp Delco Moraine Ndh Div), 33488 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 3220AMX1 (General Motors Llc Dba General Motors Llc), 33488 (Colt Industries Operating Corp Pratt and Whitney Machine Tool Div) and 8 more.

What NSN replaces 3110-00-682-4575?

There are 4 known substitutes for 3110-00-682-4575: 5330-00-250-5817, 5310-00-807-2513, 5930-00-884-1615 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 288948?

Key specifications for 288948: Retainer Fabrication Method: PRESSED; Standard Tolerance Designation: ABEC NO.1; Overall Width: 1.1250 INCHES NOMINAL IN; Overall Outside Diameter: 7.0866 INCHES NOMINAL IN. 11 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3110-00-682-4575 still in active supply?

NSN 3110-00-682-4575 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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