3120-00-122-5878

Find complete technical information, availability, and procurement data for: 3120-00-122-5878
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Federal Supply Group

Bearings

Federal Supply Classification

3120 Unmounted Plain Bearings

National Stock Number

3120-00-122-5878

Item Name Code

28215

Assigment Date

10/30/1968 (57 years ago)

A cylindrical body having a centrally located hole to accommodate a pin or shaft for attachment to a push rod guide, yoke, rocker arm, turntable, or rail. The item provides a rolling contact with the face of a valve stem, or the lobes of a cam ring or camshaft on engines, fuel injection pumps, latches, turntables, parallel bearing surfaces requiring a roller support, and the like. Excludes:bearing, roller, cylindrical; roller, electrical switch; and friction bearings. See also cam follower, needle bearing.

0.500 inches nominal face width, surface treatment is only on outer surfaces; bsc static capacity: 4130 lbs.; bsc dynamic capacity: 1660 lbs.;outer race and rollers data: material is sae 52100,heat treat to rockwell c 58-64; stud data: material is sae 52100,4118,4620,or 8620; threaded to 0.4375-20unf-3a; heat treat raceway to rockwell c 60-64; heat treat stem to rockwell c 51-56; end plate material is brgsteel; seal material is moly-filled nylon; lubrication-lithium soap base grease special features, 0.750 inches nominal outside diameter, not casehardened casehardening indicator, steel material

Product Characteristics

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

Casehardening Indicator: not casehardened
Outside Diameter: 0.750 inches nominal
Face Width: 0.500 inches nominal
Special Features: surface treatment is only on outer surfaces; bsc static capacity: 4130 lbs.; bsc dynamic capacity: 1660 lbs.;outer race and rollers data: material is sae 52100,heat treat to rockwell c 58-64; stud data: material is sae 52100,4118,4620,or 8620; threaded to 0.4375-20unf-3a; heat treat raceway to rockwell c 60-64; heat treat stem to rockwell c 51-56; end plate material is brgsteel; seal material is moly-filled nylon; lubrication-lithium soap base grease
Material: steel

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
2680964	Linear-Rotary Motion Roller
3120PL0912283	Linear-Rotary Motion Roller
717124429809	Linear-Rotary Motion Roller
BUWEPSDWG2680964	Linear-Rotary Motion Roller
CFH-3/4-S-8	Linear-Rotary Motion Roller