Standard Bellows Sizes

For convenient and low cost standard bellows solutions, Servometer offers 16 standard sizes from .250 inch OD to 1.00 inch OD in various lengths and wall thicknesses. These parts are available to order in small quantities. Select the sizes you need from the chart below then contact customer service today at 973-785-4630 for availability and pricing.

Standard Bellows Chart

Part #	Fin O.D. "A" (in.)	Skirt I.D. "B" (in.)	Inside Diameter "C" (in.)	Convolution Length "D" (in.)	Nominal Wall (in.)	Spring Rate (lb./in.)	Compression Stroke (in.)	# of Convolutions	Effective Area (in²)	Working Pressure (PSI)
FC-1	0.25	0.248	0.15	0.74	0.002	5.9	0.149	24	0.0292	290
FC-2	0.25	0.248	0.15	0.37	0.002	11.82	0.07	12	0.0292	290
FC-3	0.25	0.248	0.15	0.245	0.002	17.7	0.045	8	0.0292	290
FC-4	0.25	0.248	0.15	0.185	0.002	23.63	0.032	6	0.0292	290
FC-5	0.375	0.372	0.25	0.74	0.002	8.15	0.194	24	0.0723	265
FC-6	0.375	0.372	0.25	0.55	0.002	10.87	0.142	18	0.0723	265
FC-7	0.375	0.372	0.25	0.37	0.002	16.31	0.092	12	0.0723	265
FC-8	0.375	0.375	0.25	0.305	0.002	19.57	0.075	10	0.0723	265
FC-9	0.5	0.495	0.36	0.74	0.003	21.62	0.172	24	0.1382	410
FC-10	0.5	0.495	0.36	0.49	0.003	32.44	0.112	16	0.1382	410
FC-11	0.5	0.495	0.36	0.37	0.003	43.25	0.082	12	0.1382	410
FC-12	0.75	0.744	0.57	0.98	0.003	30.73	0.208	21	0.328	355
FC-13	0.75	0.744	0.57	0.73	0.003	40.33	0.156	16	0.328	355
FC-14	0.75	0.744	0.57	0.54	0.003	53.78	0.114	12	0.328	355
FC-15	1	0.994	0.74	1.23	0.004	24.66	0.32	18	0.5678	230
FC-16	1	0.994	0.74	0.73	0.004	44.7	0.169	10	0.5678	230