English
Also known as Heavy Duty Seals, these seals are used in rotating applications. They function well in harsh environments where they have to withstand the ingress of rough and abrasive external media. Trelleborg Type DO is the most common form that uses an Trelleborg O-Ring as a secondary sealing element. Depending on seal type the following standard elastomers are used:- Type DO - Cast Iron and Acrylonitrile Butadiene Rubber (NBR)- Type DO - Bearing Steel (1.3505) Acrylonitrile Butadiene Rubber (NBR)
Rotary/Heavy Duty Seal:
Ring Diameter Outside398 mm
Ring Diameter Inside370 mm
Signature StandardTLDOA3700-2CP00
Quality (10th Digit)-
TSS Article Number (3 to 9)DOA3700
Type of Article0
Root Ring Inside Diameter370 mm
Article GroupTL
Root Ring Outside Diameter398 mm
Root Ring Thickness38 mm
Ring Thickness38 mm
Compound code2CP00
Material Information for the product(s) on this page
2CP00
Basic Material:
NBR/metal
Commercial Description:
A forged roller bearing steel(100CR6). Seals made from this material are manufactured by copy turning followed by induction or salt bath hardening. The hardness is 58 to 63 HRC. The seal faces of these parts are also lapped and polished.
