Belt No. (mmh)
code	Internal length(mm)	code	Internal length(mm)	code	Internal length(mm)	code	Internal length(mm)	code	Internal length(mm)	code	Internal length(mm)
SPC 3000	3000	SPC 3750	3750	SPC 4750	4750	SPC 6000	6000	SPC 7500	7500	SPC 9500	9500
SPC 3150	3150	SPC 4000	4000	SPC 5000	5000	SPC 6300	6300	SPC 8000	8000	SPC 10000	10000
SPC 3350	3350	SPC 4250	4250	SPC 5300	5300	SPC 6700	6700	SPC 8500	8500
SPC 3550	3550	SPC 4500	4500	SPC 5600	5600	SPC 7100	7100	SPC 9000	9000