KWDB8-5 Self-Aligning Plain Bearing

Comprehensive specifications and application details for: KWDB8-5 Self-Aligning Plain Bearing.

Summary

Explore detailed summary information for bearing: KWDB8-5. Includes NSN, classification group, and identification codes to support sourcing, compliance, and accurate part tracking.

Part Number: KWDB8-5
Federal Supply Classification: 3120 Unmounted Plain Bearings
(NSN) National Stock Number: 3120-01-004-4937
Item Name Code: 13208
Federal Item Identification Guide: A045A0
Assigment Date: 06/10/1975

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.

0.6230 inches minimum and 0.6250 inches maximum inner member width, 0.4995 inches minimum and 0.5000 inches maximum bore diameter, 55.0 rockwell c minimum and 60.0 rockwell c maximum inner member hardness rating, self-lubricating liner inside diameter surface of body lubrication feature, 30.0 rockwell c minimum and 36.0 rockwell c maximum race insert hardness rating

Datasheet

Below are the comprehensive technical specifications for bearing: 3120-01-004-4937 . Find dimensions, materials, tolerances, performance characteristics, etc.

Bore Diameter: 0.4995 inches minimum and 0.5000 inches maximum
Hardness Rating: 55.0 rockwell c minimum and 60.0 rockwell c maximum inner member
Hardness Rating: 30.0 rockwell c minimum and 36.0 rockwell c maximum race insert
Inner Member Width: 0.6230 inches minimum and 0.6250 inches maximum
Lubrication Feature: self-lubricating liner inside diameter surface of body
Material Document And Classification: ams 5630 assn std single material response inner member
Material Document And Classification: ams 5643 assn std single material response race insert
Material Document And Classification: kahr-lon,cagec 97613 mfr ref single material response race liner
Material: plastic polytetrafluoroethylene race liner
Material: steel comp 440c inner member
Material: steel comp 630 race insert
Outer Member Outside Diameter: 0.9995 inches minimum and 1.0000 inches maximum
Outer Member Width: 0.5000 inches minimum and 0.5100 inches maximum
Special Features: misalignment porm 10 deg; notch in outer race member 0.049 in. min to 0.055 in. max l,0.035 in. min to 0.040 in. max deep,0.010 in. min to 0.020 in. max r
Static Radial Load Rating: 28000 pounds
Style Designator: with insert and/or liner
Surface Treatment Document And Classification: qq-p-416,class 2,type 2 fed spec single treatment response race insert
Surface Treatment: cadmium and chromate race insert

Frequently Asked Questions

Find quick answers to common questions about bearing: KWDB8-5. Explore technical specifications, installation tips, maintenance guidelines, regulatory requirements, and troubleshooting advice.

What is the FSCG of the NSN 3120-01-004-4937?: The FSCG of the NSN 3120-01-004-4937 is 3120

Does the NSN 3120-01-004-4937 have a Schedule B code assigned?: Yes, the Schedule B code is 8482300040

Does NSN 3120-01-004-4937 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 3120-01-004-4937 contain precious materials?: Item does not contain precious metal.

Does NSN 3120-01-004-4937 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.