PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

33110-90KA1Bearing,roller,tapered

The Timken Corporation · NSN 3110-01-389-2541 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-01-389-2541 — this item is cataloged by the U.S. Government under National Stock Number 3110-01-389-2541. Primary manufacturer part number: 33110-90KA1.
Features
  • Bearing,roller,tapered — FSC 3110
  • Standout Width: 6.0 MILLIMETERS NOMINAL MM
  • Backface Corner Radius: 1.5 MILLIMETERS NOMINAL MM
  • Bore Diameter: 50.0 MILLIMETERS NOMINAL MM
  • Cone Width: 26.0 MILLIMETERS NOMINAL MM
  • Cup Width: 20.0 MILLIMETERS NOMINAL MM
  • Material: STEEL OVERALL
  • Cone Corner Radius: 1.5 MILLIMETERS NOMINAL MM
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 3110-01-389-2541, 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 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3110-01-389-2541
Primary Part Number33110-90KA1
Item NameBearing,roller,tapered
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerThe Timken Corporation
StatusACTIVE
Standout Width6.0 MILLIMETERS NOMINAL MM
Backface Corner Radius1.5 MILLIMETERS NOMINAL MM
Bore Diameter50.0 MILLIMETERS NOMINAL MM
Cone Width26.0 MILLIMETERS NOMINAL MM
Cup Width20.0 MILLIMETERS NOMINAL MM
MaterialSTEEL OVERALL
Cone Corner Radius1.5 MILLIMETERS NOMINAL MM
Style DesignatorSTRAIGHT BORE, NORMAL ANGLE
Overall Outside Diameter85.0 MILLIMETERS NOMINAL MM
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
2815-00-051-45145134388 INTERCHANGEABLE
Deflector,dirt and Liquid
Rolls-Royce Solutions America Inc
5930-00-327-725333110 INTERCHANGEABLE
Switch,pressure
Hydra-Electric Company Dba Hydra-Electric Co
2910-00-541-6911120669 INTERCHANGEABLE
Filter Element,fluid
Dresser, Llc
5305-00-638-9907110434 INTERCHANGEABLE
Screw,machine
Telemechanics Inc
5935-00-701-2216336162-2 INTERCHANGEABLE
Adapter,connector
Lockheed Martin Corporation Div Rms - Mitchel Field
4730-00-872-0120 INTERCHANGEABLE
Manifold,hydraulic System Access
5310-00-995-7170 INTERCHANGEABLE
Washer,flat
5962-01-063-1966351-8186-010 INTERCHANGEABLE
Microcircuit,digital
Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems
5962-01-135-9683 INTERCHANGEABLE
Microcircuit,digital-Linear
3040-01-190-7113 INTERCHANGEABLE
Gearshaft,spur
Cross-Reference Index
Part NumberManufacturer
154399 Bosch Rexroth Corporation Div Industrial Hydraulics (USA)
33110-90KA1 PRIMARY The Timken Corporation (USA)
33110/Q PRIMARY Skf Usa Inc. (USA)
201.20.03.23/01.01 Bosch Rexroth Corporation Div Industrial Hydraulics (USA)
33110 Skf Usa Inc. (USA)
Related Parts
2815-00-051-4514INTERCHANGEABLE
DEFLECTOR,DIRT AND LIQUID
5134388
5930-00-327-7253INTERCHANGEABLE
SWITCH,PRESSURE
33110
2910-00-541-6911INTERCHANGEABLE
FILTER ELEMENT,FLUID
120669
5305-00-638-9907INTERCHANGEABLE
SCREW,MACHINE
110434
5935-00-701-2216INTERCHANGEABLE
ADAPTER,CONNECTOR
336162-2
4730-00-872-0120INTERCHANGEABLE
MANIFOLD,HYDRAULIC SYSTEM ACCESS
5310-00-995-7170INTERCHANGEABLE
WASHER,FLAT
5962-01-063-1966INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
351-8186-010
5962-01-135-9683INTERCHANGEABLE
MICROCIRCUIT,DIGITAL-LINEAR
3040-01-190-7113INTERCHANGEABLE
GEARSHAFT,SPUR
5110-01-262-8336INTERCHANGEABLE
CUTTING WHEEL,PIPE CUTTER
6510-01-427-9305INTERCHANGEABLE
DRESSING,HYDROCOLLOID
3110

Frequently Asked Questions

What is NSN 3110-01-389-2541?

NSN 3110-01-389-2541 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 3110-01-389-2541?

NSN 3110-01-389-2541 has 5 cross-referenced part numbers: 154399 (Bosch Rexroth Corporation Div Industrial Hydraulics), 33110-90KA1 (The Timken Corporation), 33110/Q (Skf Usa Inc.), 201.20.03.23/01.01 (Bosch Rexroth Corporation Div Industrial Hydraulics), 33110 (Skf Usa Inc.).

What NSN replaces 3110-01-389-2541?

There are 12 known substitutes for 3110-01-389-2541: 2815-00-051-4514, 5930-00-327-7253, 2910-00-541-6911 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 33110-90KA1?

Key specifications for 33110-90KA1: Standout Width: 6.0 MILLIMETERS NOMINAL MM; Backface Corner Radius: 1.5 MILLIMETERS NOMINAL MM; Overall Width: 26.0 MILLIMETERS NOMINAL MM; Bore Diameter: 50.0 MILLIMETERS NOMINAL MM. 10 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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