45MM ID X 100MM OD X 25.01MM Width Cylindrical Roller Bearing

Enhance your heavy equipment’s performance with the Case Construction Cylindrical Roller Bearing #A50145. Featuring a 45mm inner diameter, 100mm outer diameter, and 25.01mm width, this durable bearing ensures smooth operation and reliability in demanding environments. This product is a genuine OEM part, ensuring quality and reliability.

Compatible equipment

This part fits CASE CRAWLER TRACTOR (PRIOR TO S/N 3038436), CASE CRAWLER TRACTOR (S/N 3038436 TO 3060306), CASE CRAWLER TRACTOR (S/N 3060306 & AFTER), CASE CRAWLER TRACTOR, CASE CABLE LAYER W/301B ENGINE (PRIOR TO S/N 3058169), CASE CABLE LAYER W/336 ENGINE (S/N 3058169 & AFTER), CASE CRAWLER TRACTOR (AFTER S/N 7070351), CASE CRAWLER TRACTOR (EUROPE), CASE CRAWLER TRACTOR (S/N 7073469 & AFTER) (NORTH AMERICA), CASE CRAWLER TRACTOR (UP TO S/N 7073468) (NORTH AMERICA) including models 450, 450B, 455B, 475, 750, 850.

Frequently asked questions

What is the part number?

The manufacturer part number is A50145.

Is this a genuine OEM part?

Yes. Southeastern Equipment stocks OEM and quality aftermarket parts for heavy equipment. Contact us if you need a specific OEM source or aftermarket option.

Will this fit my machine?

See the compatible equipment list above. If your model is not listed, call us with your machine's serial number and we can confirm.

Where does this ship from?

Southeastern Equipment Company ships parts nationwide from our US warehouse. Orders placed before 2 PM ET typically ship same day.

Ships nationwide. In-stock parts ordered before 2:30 PM ET ship the same business day. Your exact shipping cost and delivery estimate are calculated at checkout from your ZIP code and the part’s size and weight; oversized and truck-freight items may need extra transit time and freight charges.

Free branch pickup is also available across Ohio, Indiana, Michigan, and Kentucky — just choose it at checkout.

30-day returns. New, unused parts in original packaging may be returned within 30 days. Some items — including electrical, special-order, and direct-from-supplier parts — are non-returnable. See our full return policy.