W series

Straight bore mounting

Pos. in hub	ø Bore	Hub
No.	Min-Max	Max l *	d2	d3	d4	n **
3LP, 4LP, 5LP	0.37 - 0.59	1.22	1.10	2.95	3.54	5
3LP, 4LP, 5LP	0.49 - 0.87	1.65	1.57	2.95	3.54	5
3LP, 4LP, 5LP	0.87 - 0.98	2.05	1.77	2.95	3.54	5
3LP, 4LP, 5LP	0.87 - 1.10	2.44	2.01	2.95	3.54	5
3LP, 4LP, 5LP	1.06 - 1.57	3.23	2.87	2.95	3.54	5
3LP, 4LP, 5LP	1.57 - 1.89	4.41	3.54	2.95	3.54	10
5, 6, 8, 10	0.91 - 1.50	2.44	2.83	3.54	4.33	9
5, 6, 8, 10	1.06 - 1.50	3.23	2.83	3.54	4.33	9
5, 6, 8, 10	1.61 - 2.17	4.41	3.54	3.54	4.33	9
5, 6, 8, 10	2.36	5.59	3.54	3.54	4.33	9
5, 6, 8, 10	2.56	5.59	5.12	3.54	4.33	9
5, 6, 8, 10	2.76 - 3.15	5.59	6.30	4.72	5.51	9
5HP, 6HP, 8HP, 10HP	1.10	2.44	3.54	3.54	4.33	9
5HP, 6HP, 8HP, 10HP	1.50	3.23	3.54	3.54	4.33	9
5HP, 6HP, 8HP, 10HP	1.65 - 2.17	4.41	3.54	3.54	4.33	9
5HP, 6HP, 8HP, 10HP	2.36	5.59	3.54	3.54	4.33	9
5HP, 6HP, 8HP, 10HP	2.56 - 2.95	5.59	5.12	3.54	4.33	9
13	1.50 - 3.15	6.77	5.12	4.33	6.30	9
13	3.54	6.77	7.87	4.33	6.30	9

* To obtain a longer boss length it is possible to add a boss extension. W-boss extensions are available in lengths of 0.79 inch and 1.57 inch, and can be combined to a given length.
** n is the number of bolts in the bolt circle d4


Technical information on our casted bosses (PDF)

Conical bore

If you need a conical bore, please contact your local distributor.
When we speak of conical bores, we use the following terms:

Bore (i.e. ø0.63)		Cone (i.e. 1:5)
Cone Length (i.e. 0.87 inch)		l (i.e. 2.44 inch)
		Counterbore (i.e. ø1.42)