PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

532BCup,tapered Roller Bearing

The Timken Corporation · NSN 3110-00-142-4407 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-142-4407 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-142-4407. Primary manufacturer part number: 532B.
Features
  • Cup,tapered Roller Bearing — FSC 3110
  • Flange Width: 0.2500 INCHES NOMINAL IN
  • Backface Corner Radius: 0.1250 INCHES NOMINAL IN
  • Outer Ring Outside Diameter: 4.3750 INCHES NOMINAL IN
  • Flange Outside Diameter: 4.6250 INCHES NOMINAL IN
  • Style Designator: NORMAL ANGLE, FLANGED
  • Standard Tolerance Designation: AFBMA CLASS 2
  • Material: STEEL OVERALL
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Steel Overall construction
General Description

The Cup,tapered Roller Bearing, cataloged under National Stock Number 3110-00-142-4407, 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 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3110-00-142-4407
Primary Part Number532B
Item NameCup,tapered Roller Bearing
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerThe Timken Corporation
StatusACTIVE
Flange Width0.2500 INCHES NOMINAL IN
Backface Corner Radius0.1250 INCHES NOMINAL IN
Outer Ring Outside Diameter4.3750 INCHES NOMINAL IN
Flange Outside Diameter4.6250 INCHES NOMINAL IN
Style DesignatorNORMAL ANGLE, FLANGED
Standard Tolerance DesignationAFBMA CLASS 2
MaterialSTEEL OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
6210-00-223-6186 INTERCHANGEABLE
Light Assembly,indicator
5935-00-258-9003532B INTERCHANGEABLE
Connector,plug,electrical
Hubbell-Raco Inc
5950-00-824-3605242-0383-00 INTERCHANGEABLE
Coil,radio Frequency
Alcatel-Lucent Holdings Inc.
5910-00-877-8771 INTERCHANGEABLE
Capacitor,variable,plastic Diele
3120-00-987-6627 INTERCHANGEABLE
Bushing,sleeve
6625-01-220-153418489/18310 INTERCHANGEABLE
Test Set Subassembly,electrical
Giga-Tronics Incorporated Dba Giga-Tronics
5365-01-294-497218489 INTERCHANGEABLE
Shim
Williams International Co., L.l.c.
7690-01-501-264018489 INTERCHANGEABLE
Marker,identification
Brady United States
6685-01-685-194053-2-B INTERCHANGEABLE
Indicator,temperature,thermocoup
Fluke Corp
Cross-Reference Index
Part NumberManufacturer
532B Tyson Bearing Co Div Skf Industries Inc (USA)
R18489 Komatsu America Corporation (USA)
532B PRIMARY The Timken Corporation (USA)
18489 PRIMARY Komatsu America Corporation (USA)
532B PRIMARY Federal-Mogul Corp Government Sales Dept (USA)
Related Parts
6210-00-223-6186INTERCHANGEABLE
LIGHT ASSEMBLY,INDICATOR
5935-00-258-9003INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
532B
5950-00-824-3605INTERCHANGEABLE
COIL,RADIO FREQUENCY
242-0383-00
5910-00-877-8771INTERCHANGEABLE
CAPACITOR,VARIABLE,PLASTIC DIELE
3120-00-987-6627INTERCHANGEABLE
BUSHING,SLEEVE
6625-01-220-1534INTERCHANGEABLE
TEST SET SUBASSEMBLY,ELECTRICAL
18489/18310
5365-01-294-4972INTERCHANGEABLE
SHIM
18489
7690-01-501-2640INTERCHANGEABLE
MARKER,IDENTIFICATION
18489
6685-01-685-1940INTERCHANGEABLE
INDICATOR,TEMPERATURE,THERMOCOUP
53-2-B

Frequently Asked Questions

What is NSN 3110-00-142-4407?

NSN 3110-00-142-4407 is a Cup,tapered Roller Bearing, manufactured by The Timken Corporation, classified under FSC 3110 (No Item Name Available). Status: active.

What are the part numbers for NSN 3110-00-142-4407?

NSN 3110-00-142-4407 has 5 cross-referenced part numbers: 532B (Tyson Bearing Co Div Skf Industries Inc), R18489 (Komatsu America Corporation), 532B (The Timken Corporation), 18489 (Komatsu America Corporation), 532B (Federal-Mogul Corp Government Sales Dept).

What NSN replaces 3110-00-142-4407?

There are 9 known substitutes for 3110-00-142-4407: 6210-00-223-6186, 5935-00-258-9003, 5950-00-824-3605 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 532B?

Key specifications for 532B: Flange Width: 0.2500 INCHES NOMINAL IN; Backface Corner Radius: 0.1250 INCHES NOMINAL IN; Outer Ring Outside Diameter: 4.3750 INCHES NOMINAL IN; Flange Outside Diameter: 4.6250 INCHES NOMINAL IN. 8 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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