STD S8M Standard Pilot Bore Timing Pulleys
STDSuper Torque Drive
The involute shape of the STD profile allows optimal tooth engagement with the pulley. As a result, it provides precise and quiet operation even at high belt speeds. S8M standard timing pulleys are the basic type of pulleys for belts in the STDSuper Torque Drive
The involute shape of the STD profile allows optimal tooth engagement with the pulley. As a result, it provides precise and quiet operation even at high belt speeds. S8M profile. They are made of steel or gray cast iron as unbored or with a pilot bore. Their design is based on the ISO 5294 (DIN 7721) standard.
Pulleys are supplied as a semi-finished product and the inner hole needs to be adjusted to fix them on the shafts.
Products are sorted by name in ascending order.
18-S8M-20 (Type 6F, Steel)
Timing Belt Pulley
At Supplier
Within 3 Weeks Usual time this product is ready for shipping. Actual availability may vary due to unforeseen circumstances in exceptional cases.
433,90CZK excl. VAT
525,10CZK incl. VAT
18-S8M-30 (Type 6F, Steel)
Timing Belt Pulley
At Supplier
Within 3 Weeks Usual time this product is ready for shipping. Actual availability may vary due to unforeseen circumstances in exceptional cases.
505,40CZK excl. VAT
611,50CZK incl. VAT
18-S8M-50 (Type 6F, Steel)
Timing Belt Pulley
At Supplier
Within 3 Weeks Usual time this product is ready for shipping. Actual availability may vary due to unforeseen circumstances in exceptional cases.
659,60CZK excl. VAT
798,20CZK incl. VAT
20-S8M-20 (Type 6F, Steel)
Timing Belt Pulley
At Supplier
Within 3 Weeks Usual time this product is ready for shipping. Actual availability may vary due to unforeseen circumstances in exceptional cases.
448,10CZK excl. VAT
542,10CZK incl. VAT
20-S8M-30 (Type 6F, Steel)
Timing Belt Pulley
At Supplier
Within 3 Weeks Usual time this product is ready for shipping. Actual availability may vary due to unforeseen circumstances in exceptional cases.
526,50CZK excl. VAT
637,00CZK incl. VAT
20-S8M-50 (Type 6F, Steel)
Timing Belt Pulley
At Supplier
Within 3 Weeks Usual time this product is ready for shipping. Actual availability may vary due to unforeseen circumstances in exceptional cases.
674,40CZK excl. VAT
816,10CZK incl. VAT
22-S8M-20 (Type 6F, Steel)
Timing Belt Pulley
At Supplier
Within 3 Weeks Usual time this product is ready for shipping. Actual availability may vary due to unforeseen circumstances in exceptional cases.
458,60CZK excl. VAT
555,00CZK incl. VAT
22-S8M-30 (Type 6F, Steel)
Timing Belt Pulley
At Supplier
Within 3 Weeks Usual time this product is ready for shipping. Actual availability may vary due to unforeseen circumstances in exceptional cases.
544,90CZK excl. VAT
659,30CZK incl. VAT
22-S8M-50 (Type 6F, Steel)
Timing Belt Pulley
At Supplier
Within 3 Weeks Usual time this product is ready for shipping. Actual availability may vary due to unforeseen circumstances in exceptional cases.
686,60CZK excl. VAT
830,80CZK incl. VAT
22-S8M-85 (Type 6F, Steel)
Timing Belt Pulley
At Supplier
Within 3 Weeks Usual time this product is ready for shipping. Actual availability may vary due to unforeseen circumstances in exceptional cases.
902,60CZK excl. VAT
1 092,10CZK incl. VAT
24-S8M-20 (Type 6F, Steel)
Timing Belt Pulley
At Supplier
Within 3 Weeks Usual time this product is ready for shipping. Actual availability may vary due to unforeseen circumstances in exceptional cases.
493,20CZK excl. VAT
596,80CZK incl. VAT
24-S8M-30 (Type 6F, Steel)
Timing Belt Pulley
At Supplier
Within 3 Weeks Usual time this product is ready for shipping. Actual availability may vary due to unforeseen circumstances in exceptional cases.
563,80CZK excl. VAT
682,20CZK incl. VAT
24-S8M-50 (Type 6F, Steel)
Timing Belt Pulley
At Supplier
Within 3 Weeks Usual time this product is ready for shipping. Actual availability may vary due to unforeseen circumstances in exceptional cases.
715,50CZK excl. VAT
865,80CZK incl. VAT
24-S8M-85 (Type 6F, Steel)
Timing Belt Pulley
At Supplier
Within 3 Weeks Usual time this product is ready for shipping. Actual availability may vary due to unforeseen circumstances in exceptional cases.
982,50CZK excl. VAT
1 188,90CZK incl. VAT
26-S8M-20 (Type 6F, Steel)
Timing Belt Pulley
At Supplier
Within 3 Weeks Usual time this product is ready for shipping. Actual availability may vary due to unforeseen circumstances in exceptional cases.
528,30CZK excl. VAT
639,30CZK incl. VAT
26-S8M-30 (Type 6F, Steel)
Timing Belt Pulley
At Supplier
Within 3 Weeks Usual time this product is ready for shipping. Actual availability may vary due to unforeseen circumstances in exceptional cases.
602,60CZK excl. VAT
729,10CZK incl. VAT
26-S8M-50 (Type 6F, Steel)
Timing Belt Pulley
At Supplier
Within 3 Weeks Usual time this product is ready for shipping. Actual availability may vary due to unforeseen circumstances in exceptional cases.
789,50CZK excl. VAT
955,30CZK incl. VAT
26-S8M-85 (Type 6F, Steel)
Timing Belt Pulley
At Supplier
Within 3 Weeks Usual time this product is ready for shipping. Actual availability may vary due to unforeseen circumstances in exceptional cases.
1 048,50CZK excl. VAT
1 268,70CZK incl. VAT
28-S8M-20 (Type 6F, Steel)
Timing Belt Pulley
At Supplier
Within 3 Weeks Usual time this product is ready for shipping. Actual availability may vary due to unforeseen circumstances in exceptional cases.
565,30CZK excl. VAT
684,00CZK incl. VAT
28-S8M-30 (Type 6F, Steel)
Timing Belt Pulley
At Supplier
Within 3 Weeks Usual time this product is ready for shipping. Actual availability may vary due to unforeseen circumstances in exceptional cases.
653,70CZK excl. VAT
790,90CZK incl. VAT
Products are sorted by name in ascending order.
Pulleys Fields of Use
The STDSuper Torque Drive
The involute shape of the STD profile allows optimal tooth engagement with the pulley. As a result, it provides precise and quiet operation even at high belt speeds. S8M standard timing pulleys are designed for all types of STDSuper Torque Drive
The involute shape of the STD profile allows optimal tooth engagement with the pulley. As a result, it provides precise and quiet operation even at high belt speeds. belts with pitch 8.0 mm.
They are typically used in high-speed machine tools, compressors, packaging, printing and textile machines and in many other machines.
They are also typically used in machines from Asia, especially Japan.
Pulleys Material
Steel or grey cast iron.
Other materials to order.
| Parameter | Standard |
|---|---|
| Surface roughness | ISO 254 |
| Balance quality grade | VDI 2060, ISO 1940 |
Caution
Cast iron pulleys at v < 30 m/s must be balanced.
Pulleys Code Description
Example:
30-S8M-20 (Type 6F, Steel)
| Code Part | Description |
|---|---|
| 30 |
Number of pulley teeth |
| S8M |
Teeth pitch in mm and profile of pulleys for belts STDSuper Torque Drive |
| 20 |
Width of belt in mm |
| 6F |
Type of construction |
| Steel |
Pulley material |
Documents for Download
Dimensions and Parameters of STD S8M Standard Pilot Bore Timing Pulleys
TYMA CZ Data Sheets
Czech and English (PDF 123.07 kB)
Related Products
STD S8M Taper Lock Timing Pulleys
Taper Lock Bushes
Taper Lock bushes with finished metric or inch bore and keyway to fixing components to a mating shaft without using any special tools.
STD S8M Timing Belts (STS S8M)
The involute shape of the STD profile allows optimal tooth engagement with the pulley. As a result, it provides precise and quiet operation even at high belt speeds. rubber timing belts (STSSuper Torque Synchronous
STS is an alternative designation for the STD profile used by some manufacturers. Its involute shape allows optimal tooth engagement with the pulley, ensuring precise and quiet operation even at high belt speeds.
The STS, STD or even STPD profiles are compatible with each other and can be used in the same applications.)
Measuring Instruments
Our professional-quality special tools and measuring instruments will assist you in maintaining and fitting drive components.
Manufacturer Profile
The group SIT S.p.A develops, engineers, manufactures and distributes high quality solutions and components for power transmission for industrial applications of excellence worldwide, with the aim of increasing the productivity of its customers’ machines and systems. With operations on 3 continents, SIT manufactures pulleys, rubber and polyurethane belts, drive couplings, locking assemblies and a wide range of accessories.
SIT belongs to a large industrial group that dates as far back as 1838. Today, thanks to over 50 years of specific experience in power transmission and a close-knit team of highly qualified professionals, the Group engages in constant technological innovation in order to offer the best application solutions in mechanical power drives.