NRRG-7

Comprehensive specifications and application details for: NRRG-7 Self-Aligning Plain Bearing.

Summary

Explore detailed summary information for bearing: NRRG-7. Includes NSN, classification group, and identification codes to support sourcing, compliance, and accurate part tracking.

Part Number
NRRG-7
Federal Supply Classification
3120 Unmounted Plain Bearings
(NSN) National Stock Number
3120-01-006-9147
Item Name Code
13208
Federal Item Identification Guide
A045A0
Assigment Date
07/23/1975

A detachable assembly in or on which a journal, gudgeon, pivot, or the like moves. It is used to carry a load and to reduce sliding friction. It does not employ rolling elements. The item consists of a bored precision ground ball (or spherical plain bearing) around which an outer ring is fitted. The assembly may be either separable or nonseparable. Excludes:bearing, plain, rod end and bearing, plain, spherical.

0.4370 inches minimum and 0.4375 inches maximum bore diameter, plastic polytetrafluoroethylene race liner material, 0.4350 inches minimum and 0.4370 inches maximum inner member width, 55.0 rockwell c minimum and 62.0 rockwell c maximum inner member hardness rating, 23.0 rockwell c minimum and 35.0 rockwell c maximum outer race member hardness rating

Datasheet

Below are the comprehensive technical specifications for bearing: 3120-01-006-9147 . Find dimensions, materials, tolerances, performance characteristics, etc.

Bore Diameter
0.4370 inches minimum and 0.4375 inches maximum
Hardness Rating
55.0 rockwell c minimum and 62.0 rockwell c maximum inner member
Hardness Rating
23.0 rockwell c minimum and 35.0 rockwell c maximum outer race member
Inner Member Width
0.4350 inches minimum and 0.4370 inches maximum
Material
plastic polytetrafluoroethylene race liner
Material
steel comp 440c inner member
Material
steel comp 630 outer race member
Outer Member Outside Diameter
0.9057 inches minimum and 0.9062 inches maximum
Outer Member Width
0.3380 inches minimum and 0.3480 inches maximum
Static Radial Load Rating
13200 pounds
Style Designator
with insert and/or liner with staking groove

Replaces

The NSN 3120-01-006-9147 is used in place of the following discontinued or alternate items:

NSN Name Date
3120-00-071-5065 No Name Available 02/01/1987
3120-00-514-8593 No Name Available 09/01/1983
3120-00-932-3839 No Name Available 02/01/2008

Frequently Asked Questions

Find quick answers to common questions about bearing: NRRG-7. Explore technical specifications, installation tips, maintenance guidelines, regulatory requirements, and troubleshooting advice.

What is the FSCG of the NSN 3120-01-006-9147?
The FSCG of the NSN 3120-01-006-9147 is 3120
Does the NSN 3120-01-006-9147 have a Schedule B code assigned?
Yes, the Schedule B code is 8482300040
Does NSN 3120-01-006-9147 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 3120-01-006-9147 contain precious materials?
Item does not contain precious metal.
Does NSN 3120-01-006-9147 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 3120-01-006-9147 was assigned to the Federal Catalog?
It was assigned 49 years ago, on Wed, Jul 23, 1975

Price & Availability

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