PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AA55602-22BC4Bearing,roller,cylindrical

Federal Commercial Item Description Promulgated by General Services Administration Washington DC · NSN 3110-00-443-1900 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-443-1900 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-443-1900. Primary manufacturer part number: AA55602-22BC4.
Features
  • Bearing,roller,cylindrical — FSC 3110
  • Bore Shape: STRAIGHT
  • Style Designator: SINGLE ROW, NON-LOCATING, TWO LIP INNER RING, CYLINDRICAL OUTER RING, SEPARABLE
  • Material: STEEL ROLLER
  • Material: STEEL INNER RING
  • Material: STEEL OUTER RING
  • Material: COPPER ALLOY RETAINER
  • Bore Diameter: 70.0 MILLIMETERS NOMINAL MM
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Steel Roller construction
General Description

The Bearing,roller,cylindrical, cataloged under National Stock Number 3110-00-443-1900, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Federal Commercial Item Description Promulgated by General Services Administration Washington DC. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3110-00-443-1900
Primary Part NumberAA55602-22BC4
Item NameBearing,roller,cylindrical
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerFederal Commercial Item Description Promulgated by General Services Administration Washington DC
StatusACTIVE
Bore ShapeSTRAIGHT
Style DesignatorSINGLE ROW, NON-LOCATING, TWO LIP INNER RING, CYLINDRICAL OUTER RING, SEPARABLE
MaterialSTEEL ROLLER
MaterialSTEEL INNER RING
MaterialSTEEL OUTER RING
MaterialCOPPER ALLOY RETAINER
Bore Diameter70.0 MILLIMETERS NOMINAL MM
Internal Clearance0.0035 INCHES MINIMUM RADIAL AND 0.0044 INCHES MAXIMUM RADIAL IN
Locating FeatureNONLOCATING
Standard Tolerance DesignationRBEC NO.1
Retainer Fabrication MethodMACHINED
Surface FinishGROUND
Overall Outside Diameter150.0 MILLIMETERS NOMINAL MM
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
3110-00-155-7340 INTERCHANGEABLE
Bearing,roller,cylindrical
3110-00-155-7342 INTERCHANGEABLE
Bearing,roller,cylindrical
3110-00-155-7344 INTERCHANGEABLE
Bearing,roller,cylindrical
3110-00-155-7345 INTERCHANGEABLE
Bearing,roller,cylindrical
3110-00-155-7362 INTERCHANGEABLE
Bearing,roller,cylindrical
3110-00-155-7380 INTERCHANGEABLE
Bearing,roller,cylindrical
3110-00-155-7381 INTERCHANGEABLE
Bearing,roller,cylindrical
3110-00-156-1723 INTERCHANGEABLE
Bearing,ball,thrust
3110-00-241-6618MU1309UM INTERCHANGEABLE
Bearing,roller,cylindrical
Ntn Bearing Corporation of America
Cross-Reference Index
Part NumberManufacturer
AA55602-22BC4 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
M2475A Twin Disc International S a (GBR)
M2475A Marine & Industrial Transmissions Ltd (GBR)
A-A-55602 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
M2475A Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic (USA)
BU1314Z15 General Motors Corp Delco Moraine Ndh Div (USA)
Related Parts
3110-00-155-7340INTERCHANGEABLE
BEARING,ROLLER,CYLINDRICAL
3110-00-155-7342INTERCHANGEABLE
BEARING,ROLLER,CYLINDRICAL
3110-00-155-7344INTERCHANGEABLE
BEARING,ROLLER,CYLINDRICAL
3110-00-155-7345INTERCHANGEABLE
BEARING,ROLLER,CYLINDRICAL
3110-00-155-7362INTERCHANGEABLE
BEARING,ROLLER,CYLINDRICAL
3110-00-155-7380INTERCHANGEABLE
BEARING,ROLLER,CYLINDRICAL
3110-00-155-7381INTERCHANGEABLE
BEARING,ROLLER,CYLINDRICAL
3110-00-156-1723INTERCHANGEABLE
BEARING,BALL,THRUST
3110-00-241-6618INTERCHANGEABLE
BEARING,ROLLER,CYLINDRICAL
MU1309UM

Frequently Asked Questions

What is NSN 3110-00-443-1900?

NSN 3110-00-443-1900 is a Bearing,roller,cylindrical, manufactured by Federal Commercial Item Description Promulgated by General Services Administration Washington DC, classified under FSC 3110 (No Item Name Available). Status: active.

What are the part numbers for NSN 3110-00-443-1900?

NSN 3110-00-443-1900 has 6 cross-referenced part numbers: AA55602-22BC4 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC), M2475A (Twin Disc International S a), M2475A (Marine & Industrial Transmissions Ltd), A-A-55602 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC), M2475A (Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic) and 1 more.

What NSN replaces 3110-00-443-1900?

There are 9 known substitutes for 3110-00-443-1900: 3110-00-155-7340, 3110-00-155-7342, 3110-00-155-7344 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of AA55602-22BC4?

Key specifications for AA55602-22BC4: Bore Shape: STRAIGHT; Style Designator: SINGLE ROW, NON-LOCATING, TWO LIP INNER RING, CYLINDRICAL OUTER RING, SEPARABLE; Material: STEEL ROLLER; Material: STEEL INNER RING. 14 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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