PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AA59649-741Bearing,roller,tapered

Federal Commercial Item Description Promulgated by General Services Administration Washington DC · NSN 3110-00-158-8355 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-158-8355 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-158-8355. Primary manufacturer part number: AA59649-741.
Features
  • Bearing,roller,tapered — FSC 3110
  • Backface Corner Radius: 0.1250 INCHES NOMINAL IN
  • Material: STEEL RETAINER
  • Standard Tolerance Designation: AFBMA CLASS 2
  • Overall Outside Diameter: 7.7500 INCHES NOMINAL IN
  • Standout Width: 0.3125 INCHES NOMINAL IN
  • Bore Diameter: 5.0000 INCHES NOMINAL IN
  • Material: STEEL COMP 4320 OR STEEL COMP 4620 OR STEEL COMP 8620 OR STEEL COMP E52100 CONE
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Steel Retainer construction
General Description

The Bearing,roller,tapered, cataloged under National Stock Number 3110-00-158-8355, 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 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3110-00-158-8355
Primary Part NumberAA59649-741
Item NameBearing,roller,tapered
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerFederal Commercial Item Description Promulgated by General Services Administration Washington DC
StatusACTIVE
Backface Corner Radius0.1250 INCHES NOMINAL IN
MaterialSTEEL RETAINER
Standard Tolerance DesignationAFBMA CLASS 2
Overall Outside Diameter7.7500 INCHES NOMINAL IN
Standout Width0.3125 INCHES NOMINAL IN
Bore Diameter5.0000 INCHES NOMINAL IN
MaterialSTEEL COMP 4320 OR STEEL COMP 4620 OR STEEL COMP 8620 OR STEEL COMP E52100 CONE
Cone Width1.8125 INCHES NOMINAL IN
Cup Width1.5000 INCHES NOMINAL IN
MaterialSTEEL COMP 4320 OR STEEL COMP 4620 OR STEEL COMP 8620 OR STEEL COMP E52100 ROLLER
Material Document and ClassificationQQ-S-624 FED SPEC 1ST MATERIAL RESPONSE OR QQ-S-624 FED SPEC 2ND MATERIAL RESPONSE OR QQ-S-624 FED SPEC 3RD MATERIAL RESPONSE OR 66 FED STD 4TH MATERIAL RESPONSE CONE
Material Document and ClassificationQQ-S-624 FED SPEC 1ST MATERIAL RESPONSE OR QQ-S-624 FED SPEC 2ND MATERIAL RESPONSE OR QQ-S-624 FED SPEC 3RD MATERIAL RESPONSE OR 66 FED STD 4TH MATERIAL RESPONSE CUP
Style DesignatorSTRAIGHT BORE, NORMAL ANGLE
Material Document and ClassificationQQ-S-624 FED SPEC 1ST MATERIAL RESPONSE OR QQ-S-624 FED SPEC 2ND MATERIAL RESPONSE OR QQ-S-624 FED SPEC 3RD MATERIAL RESPONSE OR 66 FED STD 4TH MATERIAL RESPONSE ROLLER
MaterialSTEEL COMP 4320 OR STEEL COMP 4620 OR STEEL COMP 8620 OR STEEL COMP E52100 CUP
Cone Corner Radius0.1400 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
3110-00-068-9395 INTERCHANGEABLE
Bearing,roller,tapered
3110-00-100-4239 INTERCHANGEABLE
Bearing,roller,tapered
3110-00-100-4402 INTERCHANGEABLE
Bearing,roller,tapered
3110-00-275-0248 INTERCHANGEABLE
Bearing,roller,tapered
3110-00-974-4132 INTERCHANGEABLE
Cone and Rollers,tapered Roller
3110-01-091-1295 INTERCHANGEABLE
Cone and Rollers,tapered Roller
Cross-Reference Index
Part NumberManufacturer
AA59649-741 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
FF-B-187/01-741 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
FF-B-187/01-741 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
FF-B-187/1 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
MS19081-161 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
67388-67322 The Timken Corporation (USA)
A-A-59649B Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
Related Parts
3110-00-068-9395INTERCHANGEABLE
BEARING,ROLLER,TAPERED
3110-00-100-4239INTERCHANGEABLE
BEARING,ROLLER,TAPERED
3110-00-100-4402INTERCHANGEABLE
BEARING,ROLLER,TAPERED
3110-00-275-0248INTERCHANGEABLE
BEARING,ROLLER,TAPERED
3110-00-974-4132INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
3110-01-091-1295INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER

Frequently Asked Questions

What is NSN 3110-00-158-8355?

NSN 3110-00-158-8355 is a Bearing,roller,tapered, 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 3110-00-158-8355?

NSN 3110-00-158-8355 has 7 cross-referenced part numbers: AA59649-741 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC), FF-B-187/01-741 (Federal Specifications Promulgated by General Services Administration Washington DC), FF-B-187/01-741 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), FF-B-187/1 (Federal Specifications Promulgated by General Services Administration Washington DC), MS19081-161 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M) and 2 more.

What NSN replaces 3110-00-158-8355?

There are 6 known substitutes for 3110-00-158-8355: 3110-00-068-9395, 3110-00-100-4239, 3110-00-100-4402 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of AA59649-741?

Key specifications for AA59649-741: Backface Corner Radius: 0.1250 INCHES NOMINAL IN; Material: STEEL RETAINER; Standard Tolerance Designation: AFBMA CLASS 2; Overall Outside Diameter: 7.7500 INCHES NOMINAL IN. 17 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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