Chain Pulley 90
Part. N° 21.1839
CAD DOWNLOAD ► 3D STEP | Solidworks 2008 | Inventor 2009
![](catalog_images new/21.1839_Chain_Pulley_90_M.jpg)
APPLICATIONS |
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- Chain reverse for counterweighted doors made from 90x90 UL, 90x90L or 90x90 2G |
- If necessary cover chain exit with End Block Part # 21.1780 |
- For heavier loads use 21.0920 chain pulley 90 for 08B1 chain. |
![](catalog_images new/21.1839_Chain_Pulley_90_L.jpg)
TECHN. DATA / ITEMS SUPPLIED | |
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- Housing made from 90x90 L | |
- Chain sprocket, steel (35 teeth), zinc plated, pre assembled in profile | |
- Qty 1 Gray 90x90 end cap | |
- Chain length over pulley 105mm (4.125 in) | |
- Load Max (Both sides of sprocket) |
- 70 kg |
- Weight | - .681 kg |
![](catalog_images new/21.1839_Chain_Pulley_90_R.jpg)
ASSEMBLY | |
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- Fasten using qty. 2, T-Slot bar 90's Part # 21.1029 (Sold separately) | |
- Use With Chain Part # 21.1713 | |
- Use with Door Chain Clamping device Part # 21.1712 | |
- Use counter weight 90 in 90x90L or 90x90 2G posts | |
-Fix counterweight with Fixing Kit For Chain Counterweight Side Part # 21.1711 |