KWB28-18

Comprehensive specifications and application details for: KWB28-18 Self-Aligning Plain Bearing.

Summary

Explore detailed summary information for bearing: KWB28-18. Includes NSN, classification group, and identification codes to support sourcing, compliance, and accurate part tracking.

Part Number
KWB28-18
Federal Supply Classification
3120 Unmounted Plain Bearings
(NSN) National Stock Number
3120-01-318-1729
Item Name Code
13208
Federal Item Identification Guide
A045A0
Assigment Date
04/13/1990

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.

groove and perforation outer race member lubrication feature, oil lubricating lubrication material, 1.8070 inches minimum and 1.8120 inches maximum inner member width, steel comp 4130 outer race member material, 1.7492 inches minimum and 1.7500 inches maximum bore diameter

Datasheet

Below are the comprehensive technical specifications for bearing: 3120-01-318-1729 . Find dimensions, materials, tolerances, performance characteristics, etc.

Bore Diameter
1.7492 inches minimum and 1.7500 inches maximum
Inner Member Width
1.8070 inches minimum and 1.8120 inches maximum
Lubrication Feature
groove and perforation outer race member
Material
oil lubricating lubrication
Material
steel comp 4130 outer race member
Material
steel comp e52100 inner member
Outer Member Outside Diameter
3.0590 inches minimum and 3.0600 inches maximum
Outer Member Width
1.3120 inches minimum and 1.3220 inches maximum
Special Features
oversize o.d. version of kwb28-20sga; used on link,pin gudgeon of mainlanding gear of c5 a/b
Static Radial Load Rating
380000 pounds
Style Designator
without insert or liner with staking groove
Surface Treatment Document And Classification
qq-p-416 fed spec single treatment response outer race member
Surface Treatment
cadmium outer race member

Frequently Asked Questions

Find quick answers to common questions about bearing: KWB28-18. Explore technical specifications, installation tips, maintenance guidelines, regulatory requirements, and troubleshooting advice.

What is the FSCG of the NSN 3120-01-318-1729?
The FSCG of the NSN 3120-01-318-1729 is 3120
Does the NSN 3120-01-318-1729 have a Schedule B code assigned?
Yes, the Schedule B code is 8482300040
Does NSN 3120-01-318-1729 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 3120-01-318-1729 contain precious materials?
Item does not contain precious metal.
Does NSN 3120-01-318-1729 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 3120-01-318-1729 was assigned to the Federal Catalog?
It was assigned 35 years ago, on Fri, Apr 13, 1990

Price & Availability

Fill out the form to get pricing and availability details for the bearing: KWB28-18

Popular Bearings

Browse our selection of high-demand, high-performance bearings:

BG-209
3110-00-366-6231
Bearing Retaining Plate
BG-353-A
3130-01-254-2547
Bearing Unit Housing
BG#712
3110-01-274-9713
Annular Ball Bearing
BG01-110
3110-01-380-9146
Annular Ball Bearing
BG01-206
3120-01-381-0661
Sleeve Bearing
BG0502
3120-00-498-4812
Mounting Adapter
BG0502B
3120-00-498-4812
Mounting Adapter
BG0502L
3120-00-498-4812
Mounting Adapter
BG100380
3120-00-051-7092
Sleeve Bearing
BG1203
3110-01-411-4477
Annular Ball Bearing
BG133-27-50
3110-00-144-8603
Annular Ball Bearing
BG1512A12B-23
3110-01-249-1606
Annular Ball Bearing
BG1753
3110-00-277-0201
Annular Ball Bearing
BG1754
3110-00-277-0199
Annular Ball Bearing
BG187
3110-00-120-4459
Thrust Ball Bearing