PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

11956Bearing,roller,cylindrical

Solar Turbines Incorporated Dba Solar Turbines Incorporated · NSN 3110-00-555-0456 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-555-0456 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-555-0456. Primary manufacturer part number: 11956.
Features
  • Bearing,roller,cylindrical — FSC 3110
  • Retainer Fabrication Method: MACHINED
  • Bore Diameter: 40.0 MILLIMETERS NOMINAL MM
  • Internal Clearance: 0.00066 INCHES MINIMUM RADIAL AND 0.0012 INCHES MAXIMUM RADIAL IN
  • Material: STEEL OUTER RING
  • Material: STEEL ROLLER
  • Material: STEEL INNER RING
  • Style Designator: SINGLE ROW, NON-LOCATING, CYLINDRICAL INNER AND OUTER RING, SEPARABLE
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Steel Outer Ring construction
General Description

The Bearing,roller,cylindrical, cataloged under National Stock Number 3110-00-555-0456, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Solar Turbines Incorporated Dba Solar Turbines Incorporated. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN3110-00-555-0456
Primary Part Number11956
Item NameBearing,roller,cylindrical
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerSolar Turbines Incorporated Dba Solar Turbines Incorporated
StatusCANCELLED
Retainer Fabrication MethodMACHINED
Bore Diameter40.0 MILLIMETERS NOMINAL MM
Internal Clearance0.00066 INCHES MINIMUM RADIAL AND 0.0012 INCHES MAXIMUM RADIAL IN
MaterialSTEEL OUTER RING
MaterialSTEEL ROLLER
MaterialSTEEL INNER RING
Style DesignatorSINGLE ROW, NON-LOCATING, CYLINDRICAL INNER AND OUTER RING, SEPARABLE
MaterialCOPPER ALLOY RETAINER
Bore ShapeSTRAIGHT
Overall Outside Diameter80.0 MILLIMETERS NOMINAL MM
Standard Tolerance DesignationRBEC NO.1
Surface FinishGROUND
Locating FeatureNONLOCATING
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 9
3110-00-100-357834300 INTERCHANGEABLE
Cone and Rollers,tapered Roller
The Timken Corporation
4530-00-489-603211956 INTERCHANGEABLE
Bellows Assembly
Unicontrol Inc. Dba Hays Cleveland
5930-00-823-44245M533-1 INTERCHANGEABLE
Switch,rotary
The Boeing Company Div Defense
5930-01-013-7261168312-7 INTERCHANGEABLE
Switch,rotary
Raytheon Company
6680-01-198-553711-956 INTERCHANGEABLE
Gage,liquid Quantity,float Type
Thermo King Corporation Dba Phoenix Global Distirbution.
2520-01-258-277011956 INTERCHANGEABLE
Slave Cylinder,clutch
Honeywell International Inc Dba Honeywell Div Consumer Products Group
5310-01-268-0117 INTERCHANGEABLE
Nut,sleeve
4730-01-550-113311956 INTERCHANGEABLE
Elbow,pipe to Hose
Festo (pty) Ltd
5306-01-620-955711956 INTERCHANGEABLE
Bolt,machine
Naval Air Warfare Center Aircraft Division Joint Base Jbmdl
Cross-Reference Index
Part NumberManufacturer
BSUC0208ZAKA Howard Aircraft Co (USA)
BSUC0208ZAKA General Motors Corp Delco Moraine Ndh Div (USA)
11956 PRIMARY Solar Turbines Incorporated Dba Solar Turbines Incorporated (USA)
11956 Rtx Corporation Div Pratt & Whitney (USA)
Related Parts
3110-00-100-3578INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
34300
4530-00-489-6032INTERCHANGEABLE
BELLOWS ASSEMBLY
11956
5930-00-823-4424INTERCHANGEABLE
SWITCH,ROTARY
5M533-1
5930-01-013-7261INTERCHANGEABLE
SWITCH,ROTARY
168312-7
6680-01-198-5537INTERCHANGEABLE
GAGE,LIQUID QUANTITY,FLOAT TYPE
11-956
2520-01-258-2770INTERCHANGEABLE
SLAVE CYLINDER,CLUTCH
11956
5310-01-268-0117INTERCHANGEABLE
NUT,SLEEVE
4730-01-550-1133INTERCHANGEABLE
ELBOW,PIPE TO HOSE
11956
5306-01-620-9557INTERCHANGEABLE
BOLT,MACHINE
11956

Frequently Asked Questions

What is NSN 3110-00-555-0456?

NSN 3110-00-555-0456 is a Bearing,roller,cylindrical, manufactured by Solar Turbines Incorporated Dba Solar Turbines Incorporated, classified under FSC 3110 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3110-00-555-0456?

NSN 3110-00-555-0456 has 4 cross-referenced part numbers: BSUC0208ZAKA (Howard Aircraft Co), BSUC0208ZAKA (General Motors Corp Delco Moraine Ndh Div), 11956 (Solar Turbines Incorporated Dba Solar Turbines Incorporated), 11956 (Rtx Corporation Div Pratt & Whitney).

What NSN replaces 3110-00-555-0456?

There are 9 known substitutes for 3110-00-555-0456: 3110-00-100-3578, 4530-00-489-6032, 5930-00-823-4424 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 11956?

Key specifications for 11956: Retainer Fabrication Method: MACHINED; Bore Diameter: 40.0 MILLIMETERS NOMINAL MM; Internal Clearance: 0.00066 INCHES MINIMUM RADIAL AND 0.0012 INCHES MAXIMUM RADIAL IN; Overall Width: 18.0 MILLIMETERS NOMINAL MM. 15 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3110-00-555-0456 still in active supply?

NSN 3110-00-555-0456 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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