138-121

Comprehensive specifications and application details for: 138-121 Thrust Ball Bearing.

Summary

Explore detailed summary information for bearing: 138-121. Includes NSN, classification group, and identification codes to support sourcing, compliance, and accurate part tracking.

Part Number
138-121
Federal Supply Classification
3110 Unmounted Antifriction Bearings
(NSN) National Stock Number
3110-00-156-1870
Item Name Code
00019
Federal Item Identification Guide
A044A0
Assigment Date
01/01/1961

An antifriction bearing having a ball rolling element, designed to resist axial thrust, or to support an axial load. Excludes:bearing,ball,pivot.

35.0 millimeters nominal bore smallest diameter, 62.0 millimeters nominal overall outside diameter, 66 fed std all material responses overall material document and classification, 18.0 millimeters nominal overall height, rigid alignment type

Datasheet

Below are the comprehensive technical specifications for bearing: 3110-00-156-1870 . Find dimensions, materials, tolerances, performance characteristics, etc.

Alignment Type
rigid
Bore Smallest Diameter
35.0 millimeters nominal
Overall Height
18.0 millimeters nominal
Overall Outside Diameter
62.0 millimeters nominal
Material Document And Classification
66 fed std all material responses overall
Material
steel comp e51100 or steel comp e52100 overall
Standard Tolerance Designation
afbma std tolerance for thrust bearings
Style Designator
grooved race surface
Surface Finish
ground
Thrust Directional Capability Designation
single

Replaces

The NSN 3110-00-156-1870 is used in place of the following discontinued or alternate items:

NSN Name Date
3110-00-554-3077 No Name Available 10/01/1975

Frequently Asked Questions

Find quick answers to common questions about bearing: 138-121. Explore technical specifications, installation tips, maintenance guidelines, regulatory requirements, and troubleshooting advice.

What is the FSCG of the NSN 3110-00-156-1870?
The FSCG of the NSN 3110-00-156-1870 is 3110
Does the NSN 3110-00-156-1870 have a Schedule B code assigned?
Yes, the Schedule B code is 8482105008
Does NSN 3110-00-156-1870 require demilitarization?
Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.
Does NSN 3110-00-156-1870 contain precious materials?
Precious metal content is unknown
Does NSN 3110-00-156-1870 contain hazardous materials?
Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.
When the NSN 3110-00-156-1870 was assigned to the Federal Catalog?
It was assigned 64 years ago, on Sun, Jan 1, 1961

Price & Availability

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