SPB 630-1 - Unbored
V-Belt Pulley
Price without VAT: 197.05€
Price including VAT: 238.44€ with VAT
Catalogue price excluding VAT:
201.06€
At supplier, we usually ship within 2 weeks Usual time this product is ready for shipping. Actual availability may vary due to unforeseen circumstances in exceptional cases.
Pulley Parameters
Nominal diameter, datum diameter or working diameter of the pulley. It is commonly denoted as Dm or Dm, and sometimes also as Dw or Dw.
The number of grooves corresponds to the number of ribs on the belt.
This standardized product may come from different manufacturers. We will provide you with the currently supplied brand upon request.
In the TYMA Product Catalogues you can find this material also described with the abbreviation GG.
Pulley Description
SPB 630-1 - Unbored is the basic type of V-belt pulleys. It is made of gray cast iron. Its design is based on the ISO 4183 (DIN 2211) standard.
The pulleys are supplied as semi-finished products and the bore must be modified before mounting the pulleys on the shafts.
Pulley Fields of Use
The solid hub SPB V-belt pulleys meet the highest requirements of modern drive technology and are used in all areas of mechanical engineering, from fine mechanics to heavy engineering.
They are typically used in compressors, blowers, machine tools, in the paper and chemical industry and in many other machines.
Pulley Material
Fine grain cast-iron grade 220–260.
Other materials to order.
| Parameter | Standard |
|---|---|
| Eccentricity of O/D to bore | DIN 2211 Part. 1 |
| Groove side wobble tolerance | DIN 2211 Part. 1 |
| Surface roughness | ISO 254 |
| Balance quality grade | VDI 2060, ISO 1940 |
Pulleys with Dw > 125 mm are statically balanced, degree q 6.3 at 1500 rpm. On request, the pulleys can be balanced dynamically in two planes, degree q 6.3 - q 2.5.
Documents for Download
Dimensions and Parameters of SPB Unbored Solid Hub V-Belt Pulleys
TYMA CZ Data Sheets
Czech and English (PDF 102.94 kB)
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Measuring Instruments
Our professional-quality special tools and measuring instruments will assist you in maintaining and fitting drive components.
