PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

745A742Bearing,roller,tapered

The Timken Corporation · NSN 3110-00-100-4404 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-100-4404 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-100-4404. Primary manufacturer part number: 745A742.
Features
  • Bearing,roller,tapered — FSC 3110
  • Cone Corner Radius: 0.1400 INCHES NOMINAL IN
  • Cone Width: 1.8375 INCHES NOMINAL IN
  • Style Designator: STRAIGHT BORE, NORMAL ANGLE
  • Overall Outside Diameter: 5.9090 INCHES NOMINAL IN
  • Material: STEEL ROLLER
  • Cup Width: 1.4375 INCHES NOMINAL IN
  • Bore Diameter: 2.7500 INCHES NOMINAL IN
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Steel Roller construction
General Description

The Bearing,roller,tapered, cataloged under National Stock Number 3110-00-100-4404, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is The Timken Corporation. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 18 commercial cross-references from 13 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
NSN3110-00-100-4404
Primary Part Number745A742
Item NameBearing,roller,tapered
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerThe Timken Corporation
StatusCANCELLED
Cone Corner Radius0.1400 INCHES NOMINAL IN
Cone Width1.8375 INCHES NOMINAL IN
Style DesignatorSTRAIGHT BORE, NORMAL ANGLE
Overall Outside Diameter5.9090 INCHES NOMINAL IN
MaterialSTEEL ROLLER
Cup Width1.4375 INCHES NOMINAL IN
Bore Diameter2.7500 INCHES NOMINAL IN
Backface Corner Radius0.1300 INCHES NOMINAL IN
MaterialSTEEL CUP
Standard Tolerance DesignationAFBMA CLASS 4
Standout Width0.3125 INCHES NOMINAL IN
Material Document and Classification66 FED STD SINGLE MATERIAL RESPONSE CUP
MaterialSTEEL CONE
MaterialSTEEL RETAINER
Material Document and Classification66 FED STD SINGLE MATERIAL RESPONSE CONE
Material Document and Classification66 FED STD SINGLE MATERIAL RESPONSE ROLLER
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 4
3110-00-100-033712364377-2 INTERCHANGEABLE
Cup,tapered Roller Bearing
Rbc Aircraft Products, Inc.
5210-00-226-589612C30 INTERCHANGEABLE
Gage,feeler
Grimes Aerospace Company
6625-00-458-4605 INTERCHANGEABLE
Calibrator,voltage
5365-01-193-645212C0030 INTERCHANGEABLE
Spacer,ring
Link-Belt Cranes, L.p., Lllp
Cross-Reference Index
Part NumberManufacturer
745A742 The Timken Corporation (USA)
FF-B-187/1 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
5556156 Continental Emsco Co Skagit Products Div (USA)
745A742 Continental Emsco Co Skagit Products Div (USA)
12C30 Cooper Industries Inc Dba Cooper Tools (USA)
745A Nsk Corp Bearing Div (USA)
5556158 Continental Emsco Co Skagit Products Div (USA)
5180658 Moffet Engineering Co (USA)
FF-B-187/01-538 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
58 La Crosse Trailer Corp (USA)
745A742 Federal-Mogul Corp Government Sales Dept (USA)
745A Rbc Bearings Incorporated Div West Trenton Division (USA)
12C30 Cooper Industries Industrial Machinery Div (USA)
MS19081-255 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
31000-0068 Timken Gears & Services Inc. Div Philadelphia Gear (USA)
59 La Crosse Trailer Corp (USA)
705184 Army Weapons Command Attn Amswe-Ree-S (USA)
FF-B-187 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
Related Parts
3110-00-100-0337INTERCHANGEABLE
CUP,TAPERED ROLLER BEARING
12364377-2
5210-00-226-5896INTERCHANGEABLE
GAGE,FEELER
12C30
6625-00-458-4605INTERCHANGEABLE
CALIBRATOR,VOLTAGE
5365-01-193-6452INTERCHANGEABLE
SPACER,RING
12C0030

Frequently Asked Questions

What is NSN 3110-00-100-4404?

NSN 3110-00-100-4404 is a Bearing,roller,tapered, manufactured by The Timken Corporation, classified under FSC 3110 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3110-00-100-4404?

NSN 3110-00-100-4404 has 18 cross-referenced part numbers: 745A742 (The Timken Corporation), FF-B-187/1 (Federal Specifications Promulgated by General Services Administration Washington DC), 5556156 (Continental Emsco Co Skagit Products Div), 745A742 (Continental Emsco Co Skagit Products Div), 12C30 (Cooper Industries Inc Dba Cooper Tools) and 13 more.

What NSN replaces 3110-00-100-4404?

There are 4 known substitutes for 3110-00-100-4404: 3110-00-100-0337, 5210-00-226-5896, 6625-00-458-4605 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 745A742?

Key specifications for 745A742: Cone Corner Radius: 0.1400 INCHES NOMINAL IN; Cone Width: 1.8375 INCHES NOMINAL IN; Style Designator: STRAIGHT BORE, NORMAL ANGLE; Overall Outside Diameter: 5.9090 INCHES NOMINAL IN. 17 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3110-00-100-4404 still in active supply?

NSN 3110-00-100-4404 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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