CFH-3/4-S-8

View detailed technical data, stock status, and sourcing information for: CFH-3/4-S-8

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CFH-3/4-S-8
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.

0.750 inches nominal outside diameter, 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, 0.500 inches nominal face width, steel material, not casehardened casehardening indicator

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

FAQs

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

What is the FSCG of the NSN 3120-00-122-5878?
The FSCG of the NSN 3120-00-122-5878 is 3120
Does the NSN 3120-00-122-5878 have a Schedule B code assigned?
Yes, the Schedule B code is 8482997090
Does NSN 3120-00-122-5878 require demilitarization?
Usml or ccl military items - demil required. Destroy item and components to prevent restoration or repair to a usable condition. (note 5).
Does NSN 3120-00-122-5878 contain precious materials?
Item does not contain precious metal.
Does NSN 3120-00-122-5878 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 3120-00-122-5878 was assigned to the Federal Catalog?
It was assigned 57 years ago, on Wed, Oct 30, 1968

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