Flange Yoke Measuring Guides - Male Flange

Male Flange Yoke
(Extended Pilot Hole)

A.) Bolt Circle Diameter:

B.) Pilot Hole Measurements:

Are the Holes: Threaded or Drilled

Is the Hole Pattern: Square or Rectangular

U-Joint Series (See Guide Below)

Common Outside Snap Ring U-joint Sizes and Series

Series	Width	Cap Diameter.
1210	2 7/16" = 2.438	1 1/16" = 1.063
1310	3 7/32" = 3.219	1 1/16" = 1.063
1310 Ford*	3 7/32" = 3.219	1 1/8" = 1.125
1330	3 5/8" = 3.625	1 1/16" = 1.063
1330 Ford*	3 5/8" = 3.625	1 1/8" = 1.125
1350	3 3/8" = 3.625	1 3/16" = 1.188
1410	4 3/16 = 4.188	1 3/16" = 1.188
1415**	4.178	1 3/16" = 1.188
1480	4 3/16 = 4.188	1 3/8" = 1.375
1485**	4.178	1 3/8" = 1.375
1550	4 31/32" = 4.969	1 3/8" = 1.375
1555**	4.946	1 3/8" = 1.375

* 1310 Ford & 1330 Ford have 1 1/8” cap at pinion yoke and 1 1/16” cap at driveshaft.
** 1415, 1485, 1555 only found on Chrysler and some GM vehicles with American Axle built driveshafts.