Type 2 self aligning rudder bearings


Photo for illustration only

Type 2 Rudder Bearings


Specifically designed for Racing boats and Blue water boats the Type 2 bearings have been designed to suit applications where high axial and radials loads are expected.

 

 The bearing features a spherical Ertalyte® knuckle located between two rows of mini rollers fitted to an inner sleeve. This inner assembly is fitted within a precision-machined aluminium housing.

  • Typically the Type 2 bearing is used as a top bearing in conjunction with either a Type 1 or Type 3 lower bearing.
  • The Type 2 bearing can only be used with metallic rudderstocks.
  • The bearing is watertight when fitted with a
  • The spherical knuckle allows the bearing to self-align while the rudderstock rotates within the bearing.
  • The rudderstock is located into bearing by a threaded inner sleeve. This offers complete support of the rudder and allows adjustment rudder height.
  • As the rudderstock and bearing are assembled together it is highly recommended that JP3 manufacture the rudderstocks to ensure the correct fit.
  • Bearings are available in any size for 30mm to 110mm in 10mm increments. Inner sleeves are made can be bored any size to suit the rudderstock.
  • Bearings are available in three housing styles to suit all installation details.
  • Includes a position for an emergency tiller connection
  • Aluminium bodies are anodised in our in-house anodisation plant to ensure quality and prevent corrosive action.

 


Type 2 Bearing Designation

All JP3 bearing designations follow a common format:

The first two numbers refer to the bearing type, in this case type 2
The second numbers to the housing and mounting style
The last two numbers designate the stock diameter in millimeters. I.e. .20.XX.90 will be a 90mm.

                        

 

Housing Styles
 

Type 2 bearings are supplied with a flanged outer housing and available with 3 housing styles
 

Type 20.12.xx

The bearing is arranged so the inner adjustment sleeve is on the lower side. The allows for adjustment to be done from below deck.

 

Type 20.13.xx

The bearing is arranged so the inner adjustment sleeve faces up. The allows for adjustment to be done from below deck and allows for easy access where the rudder may be adjusted or removed regularly.


Type 20.14.xx

Like the 20.XX.12 bearing the inner adjustment sleeve face down. This bearing is also supplied with a flush watertight cap to ensure a clean appearance on deck. 



Bearing Sizes and Load Ratings


Bearing 
Reference*

Minimum Stock Diameter
mm

Maximum Stock Diameter 
mm

Radial SWL**
 kg

20.XX03

20

34

 

20.XX.04

34

44

 

20.XX.05

45

50

 

20.XX.06

51

60

 

20.XX.07

61

70

 

20.XX.08

71

80

 

20.XX.09

81

90

 

20.XX.10

91

100

 

20.XX.11

101

110

 


* The `XX’ designation refers to the housing style.

Each size is available in the 3 housing sizes.

** Bearing loads vary with stock size. The figures given are for minimum and maximum stock sizes.

 

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