PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

SF71-18Bearing,roller,tapered

Cooper Machinery Services Llc · NSN 3110-00-100-5502 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-100-5502 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-100-5502. Primary manufacturer part number: SF71-18.
Features
  • Bearing,roller,tapered — FSC 3110
  • Overall Outside Diameter: 8.5000 INCHES NOMINAL IN
  • Cup Width: 1.3750 INCHES NOMINAL IN
  • Standout Width: 0.5000 INCHES NOMINAL IN
  • Material: STEEL OVERALL
  • Style Designator: STRAIGHT BORE, NORMAL ANGLE
  • Cone Corner Radius: 0.1400 INCHES NOMINAL IN
  • Bore Diameter: 5.0000 INCHES NOMINAL IN
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Steel Overall construction
General Description

The Bearing,roller,tapered, cataloged under National Stock Number 3110-00-100-5502, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Cooper Machinery Services Llc. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 14 commercial cross-references from 11 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN3110-00-100-5502
Primary Part NumberSF71-18
Item NameBearing,roller,tapered
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerCooper Machinery Services Llc
StatusCANCELLED
Overall Outside Diameter8.5000 INCHES NOMINAL IN
Cup Width1.3750 INCHES NOMINAL IN
Standout Width0.5000 INCHES NOMINAL IN
MaterialSTEEL OVERALL
Style DesignatorSTRAIGHT BORE, NORMAL ANGLE
Cone Corner Radius0.1400 INCHES NOMINAL IN
Bore Diameter5.0000 INCHES NOMINAL IN
Cone Width1.8750 INCHES NOMINAL IN
Standard Tolerance DesignationAFBMA CLASS 2
Backface Corner Radius0.1250 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
3110-00-100-0296363 INTERCHANGEABLE
Cup,tapered Roller Bearing
Rbc Bearings Incorporated Div West Trenton Division
3110-00-100-0298258778 INTERCHANGEABLE
Cup,tapered Roller Bearing
Acf Industries Inc
3110-00-100-0495120800 INTERCHANGEABLE
Cup,tapered Roller Bearing
General Motors Llc Dba General Motors Llc
3110-00-100-0664644 INTERCHANGEABLE
Cone and Rollers,tapered Roller
The Timken Corporation
3110-00-100-0706 INTERCHANGEABLE
Cone and Rollers,tapered Roller
3110-00-100-07262507 INTERCHANGEABLE
Cone and Rollers,tapered Roller
L & L Boiler Maintenance Inc
3110-00-100-24226204YC78 INTERCHANGEABLE
Bearing,ball,annular
Skf Usa Inc.
3110-00-100-4226 INTERCHANGEABLE
Bearing,roller,tapered
3110-00-100-583178250-78551 INTERCHANGEABLE
Bearing,roller,tapered
The Timken Corporation
3110-00-101-6493 INTERCHANGEABLE
Bearing,roller,tapered
Cross-Reference Index
Part NumberManufacturer
SF71-18 PRIMARY Cooper Machinery Services Llc (USA)
74500-74850 PRIMARY The Timken Corporation (USA)
74500AND74850 PRIMARY The Timken Corporation (USA)
SU5095 Koehring Cranes and Excavators Inc Sub of Northwest Engineering Co (USA)
70088 Terex American Crane Corp (USA)
FF-B-187B Federal Specifications Promulgated by General Services Administration Washington DC (USA)
70088 American Hoist and Derrick Co
SU5095 Koehring Co Lorain Div (USA)
301SH353 Vme Americas Inc Sub of Vme Group N V (USA)
33226A103 Terex American Crane Corp (USA)
74500NW2-74850 PRIMARY Rbc Bearings Incorporated Div West Trenton Division (USA)
33226A103 American Hoist and Derrick Co
74500NW2-74850 Tyson Bearing Co Div Skf Industries Inc (USA)
6013104 Elwell-Parker Electric Co (USA)
Related Parts
3110-00-100-0296INTERCHANGEABLE
CUP,TAPERED ROLLER BEARING
363
3110-00-100-0298INTERCHANGEABLE
CUP,TAPERED ROLLER BEARING
258778
3110-00-100-0495INTERCHANGEABLE
CUP,TAPERED ROLLER BEARING
120800
3110-00-100-0664INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
644
3110-00-100-0706INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
3110-00-100-0726INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
2507
3110-00-100-2422INTERCHANGEABLE
BEARING,BALL,ANNULAR
6204YC78
3110-00-100-4226INTERCHANGEABLE
BEARING,ROLLER,TAPERED
3110-00-100-5831INTERCHANGEABLE
BEARING,ROLLER,TAPERED
78250-78551
3110-00-101-6493INTERCHANGEABLE
BEARING,ROLLER,TAPERED
3110-00-142-4347INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
355X
3110-00-142-4377INTERCHANGEABLE
CUP,TAPERED ROLLER BEARING
672D

Frequently Asked Questions

What is NSN 3110-00-100-5502?

NSN 3110-00-100-5502 is a Bearing,roller,tapered, manufactured by Cooper Machinery Services Llc, classified under FSC 3110 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3110-00-100-5502?

NSN 3110-00-100-5502 has 14 cross-referenced part numbers: SF71-18 (Cooper Machinery Services Llc), 74500-74850 (The Timken Corporation), 74500AND74850 (The Timken Corporation), SU5095 (Koehring Cranes and Excavators Inc Sub of Northwest Engineering Co), 70088 (Terex American Crane Corp) and 9 more.

What NSN replaces 3110-00-100-5502?

There are 12 known substitutes for 3110-00-100-5502: 3110-00-100-0296, 3110-00-100-0298, 3110-00-100-0495 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of SF71-18?

Key specifications for SF71-18: Overall Outside Diameter: 8.5000 INCHES NOMINAL IN; Cup Width: 1.3750 INCHES NOMINAL IN; Standout Width: 0.5000 INCHES NOMINAL IN; Material: STEEL OVERALL. 11 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3110-00-100-5502 still in active supply?

NSN 3110-00-100-5502 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.
PartsTable Design LLC · partstable.com