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UPPER RUDDER BEARING
URB-LP-2250-00 – Upper Rudder Bearing Low Profile for a 2 1/4 Inch Rudder Stock.
The Tides Marine Upper Rudder Bearing-Low Profile (URB-LP) is designed to be installed on vessels where the steering system components need to be located as close to the rudder shelf as possible. Mounted through the rudder shelf, this design maintains a clean, low-profile appearance.
Like the URB-STD, the URB-LP is an ABS- and Lloyds-approved, self-aligning design which accommodates up to 10 degrees of off-axis alignment between the mounting surface (rudder shelf) and the rudder stock. As a result, it requires no shimming during installation and will not load up the rudder shaft during vessel operation.
The URB-LP is lighter than conventional bronze units. It consists of a UHMW ball-type bearing captured within a UHMW housing. The ball-type bearing is designed with a flat surface at the top to accept a rudder collar, allowing the unit to effectively carry rudder download during vessel operation.
The Tides design eliminates metal-to-metal contact and the associated problems of abrasion and electrolytic corrosion. The URB-LP is self-lubricating and maintenance free. Steering is smoother and quieter. Minor mounting adjustments to the rudder systems steering components may be necessary if the height of the unit is different than the metal pillowblock style bearing it is replacing.
Before placing your order, there are several measurements you need to take/confirm.
Measure the exact diameter of your rudder stock (.000″). Locate this measurement in the table below.
Next, note the flange height of your part (Measurement E) in the table. Verify there is enough room between the rudder shelf and the deck / miscellaneous construction above to install the unit (generally, 1 1/2 times the overall height of the unit (Measurement B).
Then, using the barrel diameter measurement in Column C, confirm there is sufficient clear space on the shelf around the rudder stock to locate the URB-LP.
Finally, check the position and mounted height of other steering components to determine if any adjustment will be necessary once the URB-LP is in place.
||# of Bolts
|1||2||4 1/2||6 1/2||3/4||5 1/2||6||URB-LP-1000-00||Buy Now|
|1 1/8||2||4 1/2||6 1/2||3/4||5 1/2||6||URB-LP-1125-00||Buy Now|
|1 1/4||2||4 1/2||6 1/2||3/4||5 1/2||6||URB-LP-1250-00||Buy Now|
|1 3/8||2||4 1/2||6 1/2||3/4||5 1/2||6||URB-LP-1375-00||Buy Now|
|1 1/2||2||4 1/2||6 1/2||3/4||5 1/2||6||URB-LP-1500-00||Buy Now|
|1 3/4||2||4 1/2||6 1/2||3/4||5 1/2||6||URB-LP-1750-00||Buy Now|
|2||3||5 1/2||7 1/2||1||6 1/2||6||URB-LP-2000-00||Buy Now|
|2 1/4||3||5 1/2||7 1/2||1||6 1/2||6||URB-LP-2250-00||Buy Now|
|2 3/8||3||5 1/2||7 1/2||1||6 1/2||6||URB-LP-2375-00||Buy Now|
|2 1/2||3.275||6 1/2||9||1 1/8||7 3/4||8||URB-LP-2500-00||Buy Now|
|2 3/4||3.275||6 1/2||9||1 1/8||7 3/4||8||URB-LP-2750-00||Buy Now|
|3||2 9/32||6 1/2||9||1 1/8||7 3/4||8||URB-LP-3000-00||Buy Now|
|3 1/2||4||8||11||1 1/2||9 1/2||8||URB-LP-3500-00||Buy Now|
|4||4 1/8||8 1/2||11 1/2||1 1/2||9 1/2||8||URB-LP-4000-00||Buy Now|
|4 1/2||4 1/8||8 1/2||12||1 1/2||10 1/4||8||URB-LP-4500-00||Buy Now|
|5||4 1/4||9||12 1/2||1 1/2||10 3/4||10||URB-LP-5000-00||Buy Now|
Tide Marine offers many custom sizes and dimensions. Please call for any size or dimension you do not see here.
||# of Bolts
|30MM||2||4 1/2||6 1/2||3/4||5 1/2||6||URB-LP-30MM-00||Buy Now|
|40MM||2||4 1/2||6 1/2||3/4||5 1/2||6||URB-LP-40MM-00||Buy Now|
|45MM||2||4 1/2||6 1/2||3/4||5 1/2||6||URB-LP-45MM-00||Buy Now|
|60MM||3||5 1/2||7 1/2||1||6 1/2||6||URB-LP-60MM-00||Buy Now|
|70MM||3.275||6 1/2||10 1/2||2.215||9 1/4||8||URB-LP-70MM-01||Buy Now|
|90MM||4||8||11||1 1/2||9 1/2||8||URB-LP-90MM-00||Buy Now|
The following is a brief description of the installation procedure for the URB-LP. Complete installation instructions are included with each unit and should be followed closely.
NOTE: To be properly installed, the “barrel” portion of the URB-LP must be at least 50% supported. See diagram below for details.
URB-LP Installation Guide may be downloaded HERE
Please note that orders submitted over the weekend, through October 2nd, may experience a delay in processing, pushing shipment to October 3rd.
For emergency orders, please call 954-420-0949 opt. 1 to notify a member of the sales team.
Thank you for your understanding, we apologize for any inconvenience.