Cummins 201123 Bearing, Roller, Tapered

Cummins 201123 is a engine bearing in Engine Parts, US catalog. Listed by US Government (DLA FLIS), October 2026.

Cummins part number 201123 is listed as Engine bearing. This manufacturer's reference number is recorded under government stock item NSN 3110-01-073-2576.

Manufacturer
Cummins
Part number
201123
Category
Engine Parts
Type
Engine bearing
Government stock item (NSN)
3110-01-073-2576
SearchForPart reference
SFP-PRT-H45CPAB1

What does it fit?

The source prints no vehicle, engine or equipment for this part.

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

The U.S. government's Federal Logistics Information System (FLIS) records Cummins 201123 as the maker's own number under government stock item NSN 3110-01-073-2576. 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 3110-01-073-2576, under which this manufacturer's reference number is listed. Confirm compatibility and specifications with the manufacturer before ordering.

Government item name
Bearing, Roller, Tapered
Government stock item (NSN)
3110-01-073-2576
Manufacturer code (CAGE)
15434, CUMMINS INC., COLUMBUS, IN, UNITED STATES
Overall width
1.9360 to 1.9720 in
Bore diameter
1.3750 to 1.3758 in
Overall outside diameter
2.5625 to 2.5635 in
Backface corner radius
0.0500 in (nominal)
Standout width
0.1600 in (nominal)
Cone corner radius
0.2200 in (nominal)
Cone width
1.9360 to 1.9720 in
Cup width
1.6160 to 1.6520 in
Retainer fabrication method
Pressed
Standard tolerance designation
Afbma class 4
Special features
0.0120 in. bench lateral,0.5000 in. wide cone spacer,two 0.1400 in. wide cup spacers
Material
Overall: steel comp E52100

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.

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