STD S8M Standard Pilot Bore Timing Pulleys
STD S8M standard timing pulleys are the basic type of pulleys for belts in the STD 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.
17.64€ excl. VAT
21.34€ 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.
20.54€ excl. VAT
24.86€ 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.
26.81€ excl. VAT
32.45€ 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.
18.21€ excl. VAT
22.04€ 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.
21.40€ excl. VAT
25.89€ 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.
27.42€ excl. VAT
33.17€ 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.
18.64€ excl. VAT
22.56€ 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.
22.15€ excl. VAT
26.80€ 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.
27.91€ excl. VAT
33.77€ 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.
36.69€ excl. VAT
44.39€ 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.
20.05€ excl. VAT
24.26€ 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.
22.92€ excl. VAT
27.73€ 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.
29.08€ excl. VAT
35.19€ 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.
39.94€ excl. VAT
48.33€ 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.
21.48€ excl. VAT
25.99€ 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.
24.50€ excl. VAT
29.64€ 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.
32.09€ excl. VAT
38.83€ 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.
42.62€ excl. VAT
51.57€ 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.
22.98€ excl. VAT
27.80€ 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.
26.57€ excl. VAT
32.15€ incl. VAT
Products are sorted by name in ascending order.
Typical Applications
The STD S8M standard timing pulleys are designed for all types of STD 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.
Materials
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.
Pulley 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 STD |
| 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)
Measuring Instruments for Belt and Chain Drives
Our professional-quality special tools and measuring instruments will assist you in maintaining and fitting drive components.
Pulley Manufacturer Profile
SIT S.p.A. is a company focused on mechanical power transmission (SIT stands for Società Italiana Trasmissioni, meaning Italian Power Transmission Company). Under the SIT brand, it develops, engineers, manufactures, and distributes high-quality solutions and components for industrial applications across a wide range of sectors – from automotive and precision engineering to the food and textile industries, as well as chemical plants and logistics centers.
Together with Elatech S.r.l. and other companies, SIT S.p.A. is part of the Scaglia Group. The Group operates in Europe, North America, and Asia, and comprises 7 manufacturing facilities and 6 subsidiaries with more than 1,000 employees. As part of the Group, the individual companies benefit from shared technologies and innovations, providing financial stability and sustainable growth.
We are an authorized distributor of shaft couplings, bushes, sprockets, and pulleys from SIT S.p.A., as well as polyurethane timing belts and conveyor belts from Elatech S.r.l.