34.99mm Id X 72mm Od X 17mm Width Ball Bearing

Enhance your heavy equipment’s performance with the Case Construction Ball Bearing #40031. Featuring a 34.99mm ID, 72mm OD, and 17mm width, this durable bearing ensures smooth operation and longevity for your machinery. Perfect for reliable, high-quality performance.

Compatible equipment

This part fits CASE CRUZ-AIR WHEELED EXCAVATOR, WINCH, CASE/BELOIT SKID KING WHEEL LOADER, CASE SKID KING WHEEL LOADER, DROTT SERIES-B CRAWLER EXCAVATOR, CASE G.P. & L.C.G. WHEEL TRACTOR, CASE LOADER/LANDSCAPER TRACTOR, DROTT SERIES-B FELLER/BUNCHER CRAWLER EXCAVATOR, CASE CRAWLER TRACTOR (PRIOR TO S/N 3038436), CASE CRAWLER TRACTOR (S/N 3038436 TO 3060306), CASE CRAWLER TRACTOR (S/N 3060306 & AFTER), CASE CABLE LAYER W/301B ENGINE (PRIOR TO S/N 3058169), CASE CABLE LAYER W/336 ENGINE (S/N 3058169 & AFTER), CASE CONSTRUCTION KING WHEEL TRACTOR, DROTT SERIES-B CRAWLER EXCAVATOR (S/N 550 & AFTER), CASE LOAD KING WHEEL LOADER, CASE CONSTRUCTION KING FORKLIFT, CASE CONSTRUCTION KING TRACTOR (BSN 8685800) (NORTH AMERICA), CASE CONSTRUCTION KING TRACTOR W/SHUTTLE TRANSMISSION, CASE TERRATRAC CRAWLER TRACTOR (DIESEL), CASE TERRATRAC GASOLINE CRAWLER TRACTOR, CASE CONSTRUCTION KING LOADER BACKHOE (S/N 9101501 TO 9102281), CASE SERIES-B CONSTRUCTION KING LOADER BACKHOE (S/N 9102282 TO 9103968, CASE SERIES-B LOADER BACKHOE (S/N 9103967 TO 9105879), CASE SERIES-C CONSTRUCTION KING LOADER BACKHOE (S/N 910600 TO 9111008), CASE SERIES-C CONSTRUCTION KING LOADER BACKHOE (S/N 9111009 & AFTER), CASE CONSTRUCTION KING LOADER BACKHOE, 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), CASE CRAWLER EXCAVATOR including models 1085B, 1085C, 1086B, 19, 300, 300C, 35EC, 35YC, 380CK, 400, 400C, 40BLC, 40EC, 40YC, 450, 475, 480B, 480CK, 50, 500, 580, 580B, 600, 680CK, 680E.

Frequently asked questions

What is the part number?

The manufacturer part number is 40031.

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.

Free pickup at any of our 17 branches across Ohio, Indiana, Michigan, and Kentucky. Select your preferred branch at checkout.

30-day no-fault returns. Bought the wrong part? Send it back for a full refund — no restocking fees, no minimums.