SR 12B-1-13
Idler Sprocket
Price without VAT: 175,10CZK
Price including VAT: 211,90CZK with VAT
Catalogue price excluding VAT:
178,00CZK
In Stock We update the stock availability information every 2 hours.
The goods we have in stock are usually ready for shipping or personal collection no later than the next working day. In case of personal collection, please do not come to pick the goods up before we contact you that the goods are ready.
Idler Sprocket Parameters
Pitch diameter of the sprocket. For SR idler sprockets, it is commonly denoted as dp or dp.
Number of teeth of the sprocket.
Outside diameter of the bearing. For SR idler sprockets, it is commonly denoted as F.
Inside diameter of the sprocket or bore diameter. For idler sprockets, it is commonly denoted as D1 or D1.
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 ST.
Idler Sprocket Description
SR 12B-1-13 are a special type of sprockets for roller chains according to DIN 8187.
They are made of a standard sprocket with a pressed single-row bearing. In the case of a chain drive, they are fastened with a screw or are part of universal lever tensioners, which can simultaneously perform the functions of suspension, guidance, tensioning and damping.
Idler Sprocket Construction
- Sprocket for a given type of chain
- Ball bearing with cover
Idler Sprocket Fields of Use
SR (idler sprockets) are designed for tensioning of common industrial roller chains in all industries.
They are used in machines and equipment where chain tensioning and changing the direction of rotation is required, especially in conveyor equipment, in the food industry, in packaging machines and in many other devices.
Idler Sprocket Characteristics
- They perform damping, guiding and tensioning function
- Simple construction, easy installation
- They extend service life and reduce wear
- They reduce vibration and transmission noise
- Operating temperatures from −40 °C to +100 °C
- Maintenance-free design
- Operating speed ≤ 60 m/min
Idler Sprocket Material
Steel C43, other materials to order.
Documents for Download
Dimensions and Parameters of SR Idler Sprockets
TYMA CZ Data Sheets
Czech and English (PDF 174.40 kB)
Related Products
Tighteners Elements
Tighteners elements for tensioning of common industrial roller chains or belts. Threaded tighteners elements for rear mounting, or with central screw for external mounting.
Drive Roller Chains (DIN 8187)
06B, 08B, 10B, 12B ... 72B roller chains DIN 8187 - B series (european) - simplex, duplex or triplex and many other special types.
Roller Chains with Attachments
Chains with plastic attachments, U type attachments, vulcanised elastomer profiles and many other variants.
Sliding Chain Guides for Separate Mounting
Standard chain sliding guides fixed separately directly on the machines.
