S1872M

View detailed technical data, stock status, and sourcing information for: S1872M
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Federal Supply Group

Bearings

Federal Supply Classification

3130 Mounted Bearings

National Stock Number

3130-00-279-4641

Item Name Code

30556

Assigment Date

08/12/1973 (53 years ago)

0.3750 inches nominal mounting hole diameter, 0.3750 inches nominal base thickness, 2.5625 inches nominal housing height, 3.7500 inches nominal center to center distance between mounting holes along width, 0.7500 inches nominal bore diameter

Product Characteristics

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

Mounting Hole Diameter: 0.3750 inches nominal
Bore Diameter: 0.7500 inches nominal
Base Thickness: 0.3750 inches nominal
Center To Center Distance Between Mounting Holes Along Width: 3.7500 inches nominal
Housing Height: 2.5625 inches nominal
Housing Width: 4.7500 inches nominal
Base Length: 1.1250 inches nominal
Rolling Element Groove Quantity: 1
Alignment Type: self-aligning
Internal Fit-Up Designation: standard
Assembly Overall Length: 1.1562 inches nominal
Seal Type: labyrinth
Block Type: fixed
Shaft End Type: open
Seal Location: both ends
Load Capability Type: radial and thrust
Height From Bottom Of Base To Bore Centerline: 1.3125 inches nominal
Features Provided: ground rolling element groove
Rotating Element Locking Method: direct
Mounting Hole Type: round, unthreaded
Lubrication Material: grease
Material: iron cast housing
Material: steel bearing
Style Designator: pillow block, solid

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
S1872M	Ball Bearing Unit
X61-3538	Ball Bearing Unit

FAQs

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

What is the FSCG of the NSN 3130-00-279-4641?

The FSCG of the NSN 3130-00-279-4641 is 3130

Does the NSN 3130-00-279-4641 have a Schedule B code assigned?

Yes, the Schedule B code is 8482991050

Does NSN 3130-00-279-4641 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 3130-00-279-4641 contain precious materials?

Precious metal content is unknown

Does NSN 3130-00-279-4641 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 3130-00-279-4641 was assigned to the Federal Catalog?

It was assigned 53 years ago, on Sun, Aug 12, 1973