TYPE 5BT000 Conical Self-Aligning Lower Roller Bearings for Rudder Shaft Diameters 30mm - 140mm
The 5BT000 series bearings are specially designed for production yachts. This bearing type combines a very simple installation with a very smooth operation under all circumstances as the bearing will always be aligned to the rudder shaft. The bearing consists of an aluminum outer housing with an inside sphere turned out. A one piece delrin ball with rollers is located in the sphere.
Rudder Shaft Diameter (30mm - 140mm)
TYPE 6BB PETP Self-Aligning Roller Bearings for Rudder Shaft Diameters 30mm - 160mm
The 6BB PETP Self-Aligning Roller Bearings are designed to be mounted in a GRP or metal tube (like our 6D bearings). The bearing is made of PETP (also known as Arnite, Ertalyte, Sustodur & Ultradur), so it doesn’t contain any metals. The bearing ball can be easily dismounted out of the housing for installation safety or replacement if any future damage occurs. When a bearing with a flange is preferred, please choose the 6BF series.
Rudder Shaft Diameter (30mm - 160mm)
TYPE 6T PETP Self-Aligning Lower Roller Bearings for Rudder Shaft Diameters 30mm - 210mm
The 6T series bearings combine a very simple installation with a very smooth operation under all circumstances as the bearing will always be aligned to the rudder shaft. The bearing is made of PETP (also known as Arnite, Ertalyte, Sustodur & Ultradur) in a GRP tube, allowing it to be laminated directly into the hull. A separate rudder tube is not required as the bearing housing is designed to extend above the boat’s waterline. It must be sealed to the rudder shaft with a gaiter. In the case of female molded production boats the bearings housing can be mounted into the hull mold before lamination and gel coating begins. After gel coating the hull is laminated as usual with the exception that the hull laminate runs up the side of the bearing housing. This means that the bearing is already installed in the hull upon de-molding, thus providing an integrated rudder support, and saving production time. It’s advisable to add some webs around the bearing to allow the rudder forces to be spread on the hull. As the bearing is self-aligning, there will be no torque transmitted to the hull, just rudder forces and the bearing will never try to twist out of the hull. The bearing ball can be easily dismounted out of the housing for installation safety or replacement if any future damage occurs.
Rudder Shaft Diameter (30mm - 210mm)
TYPE 61000(S) PETP Lower Roller Bearings for Rudder Shaft Diameters 30mm - 169mm
The 61000 series bearings are developed as a more affordable alternative to the 6T self-aligning bearings. It’s also an alternative to the 41000 series bearing when a metal bearing housing is not appropriate. The bearing is made of PETP (also known as Arnite, Ertalyte, Sustodur & Ultradur) in a GRP tube, allowing it to be laminated directly into the hull. As the bearing is non self-aligning, it should be laminated in the hull with the rudder shaft mounted or for production boats with a dummy shaft.
Rudder Shaft Diameter (30mm - 169mm)
TO ORDER VISIT WWW.PYIINC.COM OR CALL 425-355-3669
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