MR-56

Comprehensive specifications and application details for: MR-56 Needle Roller Bearing.

Summary

Explore detailed summary information for bearing: MR-56. Includes NSN, classification group, and identification codes to support sourcing, compliance, and accurate part tracking.

Part Number
MR-56
Federal Supply Classification
3110 Unmounted Antifriction Bearings
(NSN) National Stock Number
3110-00-966-4852
Item Name Code
00051
Federal Item Identification Guide
A044A0
Assigment Date
01/01/1963

A single or multiple-row antifriction bearing used with or without inner or outer races characterized by relatively small size rollers usually not ranging above 0.250 inch (6.35mm) diameter and generally longer in length in relation to diameter.

3.5012 inches minimum and 3.5024 inches maximum bore diameter, 1.9950 inches minimum and 2.0000 inches maximum overall width, rigid alignment type, 66 fed std all material responses outer ring material document and classification, 4.4992 inches minimum and 4.5000 inches maximum overall outside diameter

Datasheet

Below are the comprehensive technical specifications for bearing: 3110-00-966-4852 . Find dimensions, materials, tolerances, performance characteristics, etc.

Alignment Type
rigid
Bore Diameter
3.5012 inches minimum and 3.5024 inches maximum
Overall Outside Diameter
4.4992 inches minimum and 4.5000 inches maximum
Overall Width
1.9950 inches minimum and 2.0000 inches maximum
Material Document And Classification
66 fed std all material responses outer ring
Material Document And Classification
66 fed std all material responses roller
Material
copper alloy retainer
Material
steel comp e50100 or steel comp e51100 or steel comp e52100 roller
Material
steel comp e51100 or steel comp e52100 or steel comp e4340h or steel comp 4720h or steel comp 8620 or steel comp 8720 outer ring
Retainer Fabrication Method
pressed
Specification/Standard Data
96906-ms51961 government standard
Standard Tolerance Designation
afbma std tolerance for industrial needle bearings
Style Designator
non-separable, with roller retainer, hardened and ground
Surface Finish
ground

Frequently Asked Questions

Find quick answers to common questions about bearing: MR-56. Explore technical specifications, installation tips, maintenance guidelines, regulatory requirements, and troubleshooting advice.

What is the FSCG of the NSN 3110-00-966-4852?
The FSCG of the NSN 3110-00-966-4852 is 3110
Does the NSN 3110-00-966-4852 have a Schedule B code assigned?
Yes, the Schedule B code is 8482400000
Does NSN 3110-00-966-4852 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 3110-00-966-4852 contain precious materials?
Precious metal content is unknown
Does NSN 3110-00-966-4852 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 3110-00-966-4852 was assigned to the Federal Catalog?
It was assigned 62 years ago, on Tue, Jan 1, 1963

Price & Availability

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