M2139 Cylindrical Roller Bearing

Comprehensive specifications and application details for: M2139 Cylindrical Roller Bearing.

Summary

Explore detailed summary information for bearing: M2139. Includes NSN, classification group, and identification codes to support sourcing, compliance, and accurate part tracking.

Part Number
M2139
Federal Supply Classification
3110 Unmounted Antifriction Bearings
(NSN) National Stock Number
3110-00-931-5341
Item Name Code
00015
Federal Item Identification Guide
A044A0
Assigment Date
09/21/1966

A nonadjustable roller bearing consisting of a single or multiple-row of hardened cylindrical rollers and a retainer used with or without inner or oute r rings. Excludes:bearing,roller,airframe.

65.0 millimeters nominal bore diameter, straight bore shape, nonlocating locating feature, standard internal fit-up designation, 140.0 millimeters nominal overall outside diameter

Datasheet

Below are the comprehensive technical specifications for bearing: 3110-00-931-5341 . Find dimensions, materials, tolerances, performance characteristics, etc.

Bore Diameter
65.0 millimeters nominal
Bore Shape
straight
Internal Fit-Up Designation
standard
Locating Feature
nonlocating
Overall Outside Diameter
140.0 millimeters nominal
Overall Width
33.0 millimeters nominal
Material
steel overall
Retainer Fabrication Method
pressed
Special Features
drilled hole 0.4375 in. dia by 0.1560 in. deep in od of outer ring; 0.0400 in. by 45 deg chamfer one bore corner
Standard Tolerance Designation
rbec no.1
Style Designator
single row, non-locating, two lip inner ring, cylindrical outer ring, separable
Surface Finish
ground

Frequently Asked Questions

Find quick answers to common questions about bearing: M2139. Explore technical specifications, installation tips, maintenance guidelines, regulatory requirements, and troubleshooting advice.

What is the FSCG of the NSN 3110-00-931-5341?
The FSCG of the NSN 3110-00-931-5341 is 3110
Does the NSN 3110-00-931-5341 have a Schedule B code assigned?
Yes, the Schedule B code is 8482500000
Does NSN 3110-00-931-5341 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 3110-00-931-5341 contain precious materials?
Precious metal content is unknown
Does NSN 3110-00-931-5341 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 3110-00-931-5341 was assigned to the Federal Catalog?
It was assigned 60 years ago, on Wed, Sep 21, 1966

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