Description
Stainless Steel 12B21 sprockets are made from a high-quality 304-grade stainless steel that offers superior resistance to wear and corrosion. 12B21SS sprockets are manufactured in accordance to British Standards (BS), DIN, and ISO specifications so they interchange with other manufactures and runs 12B stainless steel roller chain perfectly. Commonly 12B21 stainless steel sprockets are located in corrosive, and or food-grade applications. Besides the 21-tooth sprocket we also stock 12B stainless steel roller chain, stainless steel bearings, stainless steel electric motors and reducers, and stainless steel metric shafting. For more information or to get a quote please contact us and we will be happy to assist you.
12B21 Stainless Steel Sprocket Dimensions
- Sprocket Size: 12B21SS
- Tooth Count: 21
- Dimension (O): 127.82mm
- Dimension (K): 136.0mm
- Dimension (N): 90mm
- Dimension (D): 20mm
- Dimension (B): 56mm
- Dimension (L): 40mm
- Sprocket Weight: 2.37 kG
These sprockets are typically in-stock with a standard stock bore (plain bore) configuration. But what separates USA Roller Chain and Sprockets from other stainless-steel sprocket suppliers is our in-house precision machine shop that not only offers superior lead-times on custom bore sprockets, but is also extremely competitive. So if you need a custom size bore or configuration on a 12B21SS sprocket please let us know.
12B21SS Sprocket Material Composition
Carbon – 0.080%
Manganese – 2.000%
Phosphorus – 0.045%
Sulfur – 0.030%
Silicon – 0.750%
Chromium -18.000% – 20.000%
Nickel – 8.000% – 10.500%
Aluminum – 0.100%
Chain Temperature Range: -200� to + 400�
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