NUM55 Cylindrical Roller Bearing

Comprehensive specifications and application details for: NUM55 Cylindrical Roller Bearing.

Summary

Explore detailed summary information for bearing: NUM55. Includes NSN, classification group, and identification codes to support sourcing, compliance, and accurate part tracking.

Part Number: NUM55
Federal Supply Classification: 3110 Unmounted Antifriction Bearings
(NSN) National Stock Number: 3110-00-155-6519
Item Name Code: 00015
Federal Item Identification Guide: A044A0
Assigment Date: 01/01/1963

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.

55.00 millimeters nominal bore diameter, straight bore shape, standard internal fit-up designation, nonlocating locating feature, 120.00 millimeters nominal overall outside diameter

Datasheet

Below are the comprehensive technical specifications for bearing: 3110-00-155-6519 . Find dimensions, materials, tolerances, performance characteristics, etc.

Bore Diameter: 55.00 millimeters nominal
Bore Shape: straight
Internal Fit-Up Designation: standard
Locating Feature: nonlocating
Overall Outside Diameter: 120.00 millimeters nominal
Overall Width: 29.00 millimeters nominal
Material: steel or copper alloy retainer
Material: steel inner ring
Material: steel outer ring
Material: steel roller
Standard Tolerance Designation: rbec no.1
Style Designator: single row, non-locating, cylindrical inner ring, two lip outer ring, separable
Surface Finish: ground

Replaces

The NSN 3110-00-155-6519 is used in place of the following discontinued or alternate items:

NSN	Name	Date
3110-00-155-6611	No Name Available	06/01/1997

Frequently Asked Questions

Find quick answers to common questions about bearing: NUM55. Explore technical specifications, installation tips, maintenance guidelines, regulatory requirements, and troubleshooting advice.

What is the FSCG of the NSN 3110-00-155-6519?: The FSCG of the NSN 3110-00-155-6519 is 3110

Does the NSN 3110-00-155-6519 have a Schedule B code assigned?: Yes, the Schedule B code is 8482500000

Does NSN 3110-00-155-6519 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 3110-00-155-6519 contain precious materials?: Precious metal content is unknown

Does NSN 3110-00-155-6519 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.