The third number begins with the letters LIST
210"" screw holes
187" inside diameter
For Standard main bearing set
Fits only models with 3" base inside diameter 7" diameter plastic bowl
Fairbanks J and X Series Magneto Gasket Set Fits Allis Chalmers Tractor The third number begins withQuality Aftermarket Fairbanks J and X Series Magneto Gasket Set Fits Allis Chalmers Tractor Models: B, C, RC, U, WC, WD, WD45, WF Other Applications Allis Chalmers with Fairbanks Morse magneto FMJ 4B3, FMX 4B3 Case A, A12 21, C, CB, CC, CH, CI, CO, CE, D, DC, DE, DI, DO, K, K12, K18 32, L, LA, LE, LI, L26 40, R, RC, RI, S, SC, SI, SO, T25 45, V, VAC, VAE, VAI, VAO (with Fairbanks Morse magneto FMJ 4A9, FM X4A9, FM X4A16, FM 4A17, FM X4BA, FM X4B9A, FM