Product Description
Features:
1) Mounting
a) DB mount in duplex, back to back
b) DF mount in duplex, face to face
c) DT mount in duplex, tandem
2) Internal structure:
a) C normal contact angle 15°
b) AC normal contact angle 25°
c) B normal contact angle 40°
3) Product range: bore diameter from 20mm to 150mm