PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MU1309UMBearing,roller,cylindrical

Ntn Bearing Corporation of America · NSN 3110-00-241-6618 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-241-6618 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-241-6618. Primary manufacturer part number: MU1309UM.
Features
  • Bearing,roller,cylindrical — FSC 3110
  • Locating Feature: TWO DIRECTION
  • Departure From Cited Designator: AS MODIFIED BY FEATURES
  • Nondefinitive Spec/std Data: 237 TYPE AND 3 CLASS AND 00 GRADE
  • Material: STEEL ROLLER
  • Material: STEEL OR COPPER ALLOY RETAINER
  • Material: STEEL INNER RING
  • Style Designator: SINGLE ROW, TWO-DIRECTION LOCATING, TWO LIP INNER RING, TWO LIP OUTER RING, SEPARABLE
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 3110-00-241-6618, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Ntn Bearing Corporation of America. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 9 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3110-00-241-6618
Primary Part NumberMU1309UM
Item NameBearing,roller,cylindrical
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerNtn Bearing Corporation of America
StatusACTIVE
Locating FeatureTWO DIRECTION
Departure From Cited DesignatorAS MODIFIED BY FEATURES
Nondefinitive Spec/std Data237 TYPE AND 3 CLASS AND 00 GRADE
MaterialSTEEL ROLLER
MaterialSTEEL OR COPPER ALLOY RETAINER
MaterialSTEEL INNER RING
Style DesignatorSINGLE ROW, TWO-DIRECTION LOCATING, TWO LIP INNER RING, TWO LIP OUTER RING, SEPARABLE
MaterialSTEEL OUTER RING
Standard Tolerance DesignationRBEC NO.1
Surface FinishGROUND
Bore ShapeSTRAIGHT
Internal Fit-Up DesignationSTANDARD
Overall Outside Diameter100.0 MILLIMETERS NOMINAL MM
Bore Diameter45.0 MILLIMETERS NOMINAL MM
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
3110-00-114-8602MU1309UM INTERCHANGEABLE
Bearing,roller,cylindrical
Rexnord Industries, Llc Div Link-Belt Bearing Operation
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
3110-00-443-1900 INTERCHANGEABLE
Bearing,roller,cylindrical
Cross-Reference Index
Part NumberManufacturer
MU1309UM PRIMARY Ntn Bearing Corporation of America (USA)
FFB185 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
3110002416618 E.c.a Etablissement Centrald'approvisionnement Des Forces Armee
MU1309CV Ntn Bearing Corporation of America (USA)
A-A-55602 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
AA55602-13JC0 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
3110002416618 E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales
M2677 Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic (USA)
MSN1309EL Federal-Mogul Corp Government Sales Dept (USA)
Related Parts
3110-00-114-8602INTERCHANGEABLE
BEARING,ROLLER,CYLINDRICAL
MU1309UM
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
3110-00-443-1900INTERCHANGEABLE
BEARING,ROLLER,CYLINDRICAL

Frequently Asked Questions

What is NSN 3110-00-241-6618?

NSN 3110-00-241-6618 is a Bearing,roller,cylindrical, manufactured by Ntn Bearing Corporation of America, classified under FSC 3110 (No Item Name Available). Status: active.

What are the part numbers for NSN 3110-00-241-6618?

NSN 3110-00-241-6618 has 9 cross-referenced part numbers: MU1309UM (Ntn Bearing Corporation of America), FFB185 (Federal Specifications Promulgated by General Services Administration Washington DC), 3110002416618 (E.c.a Etablissement Centrald'approvisionnement Des Forces Armee), MU1309CV (Ntn Bearing Corporation of America), A-A-55602 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC) and 4 more.

What NSN replaces 3110-00-241-6618?

There are 10 known substitutes for 3110-00-241-6618: 3110-00-114-8602, 3110-00-155-7340, 3110-00-155-7342 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MU1309UM?

Key specifications for MU1309UM: Locating Feature: TWO DIRECTION; Departure From Cited Designator: AS MODIFIED BY FEATURES; Nondefinitive Spec/std Data: 237 TYPE AND 3 CLASS AND 00 GRADE; Material: STEEL ROLLER. 16 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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