Detroit Diesel 5121247 Bearing Half, Sleeve

Detroit Diesel 5121247 is a engine bearing in Engine Parts, US catalog. Listed by US Government (DLA FLIS), October 2026.

Government data (US Government (DLA FLIS), October 2026 edition)

The U.S. government's Federal Logistics Information System (FLIS) records Detroit Diesel 5121247 as the maker's own number under government stock item NSN 3120-00-945-4533. The name and every fact below are FLIS's, credited to US Government (DLA FLIS), October 2026 edition.

Specifications recorded for government stock item NSN 3120-00-945-4533, under which this manufacturer's reference number is listed. Confirm compatibility and specifications with the manufacturer before ordering.

Government item name

Bearing Half, Sleeve

Government stock item (NSN)

3120-00-945-4533

Manufacturer code (CAGE)

72582, ROLLS-ROYCE SOLUTIONS AMERICA INC DBA ROLLS-ROYCE SOLUTIONS AMERICA INC, NOVI, MI, UNITED STATES
Detroit Diesel part numbering. This manufacturer code is now held by Rolls-Royce Solutions America.

Hole diameter

First: 0.2700 to 0.2900 in

Overall length

1.3100 to 1.3200 in

Body outside diameter

2.7570 to 2.7820 in

Body inside diameter

2.6570 in (nominal)

Locking lug height

0.0580 to 0.0680 in

Locking lug length

0.2800 to 0.3100 in

Locking lug width

0.2420 to 0.2470 in

Corner shape

All corners: square

Antirotation/lubrication type and quantity

Hole: 2

Distance from lug end to end of bearing

1.1890 in (nominal)

Material

Overall: steel

Source: US Government (DLA FLIS), October 2026 edition, a public U.S. government data release. This is not an official DLA record and may contain errors. Verify fitment before ordering. Not affiliated with or endorsed by the Defense Logistics Agency or the Department of Defense. SearchForPart does not show a price here.

About this kind of part (general, written by SearchForPart)

A thin shell that the crankshaft or camshaft turns in, carried by an oil film. Low oil pressure, knocking or metal in the oil point to worn bearings. Check whether it is a main, rod or cam bearing, standard or undersize, and upper or lower half.

When ordering, give the part number exactly as printed and its maker, and the make, model and year of the truck, trailer, reefer unit or machine (or the engine or unit serial number). SearchForPart shows fitment only as the source printed it: check it before you order.

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Source: US Government (DLA FLIS), October 2026 edition, a public U.S. government data release. This is not an official DLA record and may contain errors. Verify fitment before ordering. Not affiliated with or endorsed by the Defense Logistics Agency or the Department of Defense. SearchForPart does not show a price here.