PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

11629138Bearing,roller,tapered

Ntn Bearing Corporation of America · NSN 3110-01-144-2960 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-01-144-2960 — this item is cataloged by the U.S. Government under National Stock Number 3110-01-144-2960. Primary manufacturer part number: 11629138.
Features
  • Bearing,roller,tapered — FSC 3110
  • Inner Ring Width: 0.9648 INCHES NOMINAL IN
  • Retainer Fabrication Method: MACHINED
  • Bore Diameter: 3.0630 INCHES NOMINAL IN
  • Material: STEEL OVERALL
  • Material Document and Classification: MIL-STD-130 MIL STD ALL MATERIAL RESPONSES OVERALL
  • Style Designator: ANGULAR CONTACT, SPHERICAL ROLLERS, SEPARABLE
  • Outer Ring Width: 0.6875 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 3110-01-144-2960, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Ntn Bearing Corporation of America. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 4 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
NSN3110-01-144-2960
Primary Part Number11629138
Item NameBearing,roller,tapered
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerNtn Bearing Corporation of America
StatusACTIVE
Inner Ring Width0.9648 INCHES NOMINAL IN
Retainer Fabrication MethodMACHINED
Bore Diameter3.0630 INCHES NOMINAL IN
MaterialSTEEL OVERALL
Material Document and ClassificationMIL-STD-130 MIL STD ALL MATERIAL RESPONSES OVERALL
Style DesignatorANGULAR CONTACT, SPHERICAL ROLLERS, SEPARABLE
Outer Ring Width0.6875 INCHES NOMINAL IN
Overall Outside Diameter4.7817 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
3110-00-100-534834306-34478 INTERCHANGEABLE
Bearing,roller,tapered
The Timken Corporation
Cross-Reference Index
Part NumberManufacturer
34306-34478 Ntn-Bower Corp (USA)
11629138 PRIMARY Ntn Bearing Corporation of America (USA)
11629138-2 U S Army Tank Automotive Command Amsta-Im-Mm (USA)
11629138 U S Army Tank Automotive Command Amsta-Im-Mm (USA)
34306-34478 Ntn Bearing Corporation of America (USA)
11629138 PRIMARY The Timken Corporation (USA)
34306-34478 The Timken Corporation (USA)
Related Parts
3110-00-100-5348INTERCHANGEABLE
BEARING,ROLLER,TAPERED
34306-34478

Frequently Asked Questions

What is NSN 3110-01-144-2960?

NSN 3110-01-144-2960 is a Bearing,roller,tapered, manufactured by Ntn Bearing Corporation of America, classified under FSC 3110 (No Item Name Available). Status: active.

What are the part numbers for NSN 3110-01-144-2960?

NSN 3110-01-144-2960 has 7 cross-referenced part numbers: 34306-34478 (Ntn-Bower Corp), 11629138 (Ntn Bearing Corporation of America), 11629138-2 (U S Army Tank Automotive Command Amsta-Im-Mm), 11629138 (U S Army Tank Automotive Command Amsta-Im-Mm), 34306-34478 (Ntn Bearing Corporation of America) and 2 more.

What NSN replaces 3110-01-144-2960?

There is 1 known substitute for 3110-01-144-2960: 3110-00-100-5348. Verify interchangeability with system specifications before substitution.

What are the specifications of 11629138?

Key specifications for 11629138: Inner Ring Width: 0.9648 INCHES NOMINAL IN; Retainer Fabrication Method: MACHINED; Bore Diameter: 3.0630 INCHES NOMINAL IN; Material: STEEL OVERALL. 9 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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