MR-690-2

View detailed technical data, stock status, and sourcing information for: MR-690-2
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Federal Supply Group

Bearings

Federal Supply Classification

3110 Unmounted Antifriction Bearings

National Stock Number

3110-00-433-3458

Item Name Code

00051

Assigment Date

08/17/1970 (55 years ago)

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.

abmk criticality code justification, rigid alignment type, 1.4950 inches minimum and 1.5000 inches maximum overall width, 3.4992 inches minimum and 3.5000 inches maximum overall outside diameter, 2.2494 inches minimum and 2.2500 inches maximum bore diameter

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Overall Width: 1.4950 inches minimum and 1.5000 inches maximum
Bore Diameter: 2.2494 inches minimum and 2.2500 inches maximum
Overall Outside Diameter: 3.4992 inches minimum and 3.5000 inches maximum
Alignment Type: rigid
Criticality Code Justification: abmk
Standard Tolerance Designation: rbec no.1
Special Features: w/o oil holes or groove
Style Designator: separable inner race and rollers, hardened and ground

Related Parts

This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:

Part Number	Name
204-011-110-005	Needle Roller Bearing
204-011-110-5	Needle Roller Bearing
44JTG2456-P9DF-2	Needle Roller Bearing
AP42288	Needle Roller Bearing
MR-690-2	Needle Roller Bearing

FAQs

Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.

What is the FSCG of the NSN 3110-00-433-3458?

The FSCG of the NSN 3110-00-433-3458 is 3110

Does the NSN 3110-00-433-3458 have a Schedule B code assigned?

Yes, the Schedule B code is 8482400000

Does NSN 3110-00-433-3458 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 3110-00-433-3458 contain precious materials?

Item does not contain precious metal.

Does NSN 3110-00-433-3458 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 3110-00-433-3458 was assigned to the Federal Catalog?

It was assigned 55 years ago, on Mon, Aug 17, 1970