PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

LM11900LA-902A1Bearing,roller,tapered

The Timken Corporation · NSN 3110-00-887-6348 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-887-6348 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-887-6348. Primary manufacturer part number: LM11900LA-902A1.
Features
  • Bearing,roller,tapered — FSC 3110
  • Style Designator: STRAIGHT BORE, NORMAL ANGLE
  • Material: STEEL OVERALL
  • Bore Diameter: 0.7500 INCHES NOMINAL IN
  • Overall Outside Diameter: 1.7810 INCHES NOMINAL IN
  • Backface Corner Radius: 0.0460 INCHES NOMINAL IN
  • Cup Width: 0.4750 INCHES NOMINAL IN
  • Standard Tolerance Designation: AFBMA CLASS 2
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 3110-00-887-6348, 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 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3110-00-887-6348
Primary Part NumberLM11900LA-902A1
Item NameBearing,roller,tapered
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerThe Timken Corporation
StatusACTIVE
Style DesignatorSTRAIGHT BORE, NORMAL ANGLE
MaterialSTEEL OVERALL
Bore Diameter0.7500 INCHES NOMINAL IN
Overall Outside Diameter1.7810 INCHES NOMINAL IN
Backface Corner Radius0.0460 INCHES NOMINAL IN
Cup Width0.4750 INCHES NOMINAL IN
Standard Tolerance DesignationAFBMA CLASS 2
Standout Width0.1350 INCHES NOMINAL IN
Cone Corner Radius0.0460 INCHES NOMINAL IN
Cone Width0.6550 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
6350-00-900-1640 INTERCHANGEABLE
Horn,signal
Cross-Reference Index
Part NumberManufacturer
LM11949LLM11910 The Timken Corporation (USA)
LM11900LA-90028-LM11910 The Timken Corporation (USA)
LM11900LA-902A1 PRIMARY The Timken Corporation (USA)
FF-B-187 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
A25165 The Timken Corporation (USA)
Related Parts
6350-00-900-1640INTERCHANGEABLE
HORN,SIGNAL

Frequently Asked Questions

What is NSN 3110-00-887-6348?

NSN 3110-00-887-6348 is a Bearing,roller,tapered, manufactured by The Timken Corporation, classified under FSC 3110 (No Item Name Available). Status: active.

What are the part numbers for NSN 3110-00-887-6348?

NSN 3110-00-887-6348 has 5 cross-referenced part numbers: LM11949LLM11910 (The Timken Corporation), LM11900LA-90028-LM11910 (The Timken Corporation), LM11900LA-902A1 (The Timken Corporation), FF-B-187 (Federal Specifications Promulgated by General Services Administration Washington DC), A25165 (The Timken Corporation).

What NSN replaces 3110-00-887-6348?

There is 1 known substitute for 3110-00-887-6348: 6350-00-900-1640. Verify interchangeability with system specifications before substitution.

What are the specifications of LM11900LA-902A1?

Key specifications for LM11900LA-902A1: Style Designator: STRAIGHT BORE, NORMAL ANGLE; Material: STEEL OVERALL; Bore Diameter: 0.7500 INCHES NOMINAL IN; Overall Width: 0.6100 INCHES NOMINAL IN. 12 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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