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DuraBlue Sizing Calculator
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CATERGORIES [+]

DuraBlue Stern Bearing Interference Fit Sizing Calculator.

Red Border are Required Fields
DURABLUE POSITION 1: Data for sizing:
 DURABLUE POSITION:
Housing ID
(smallest dimension):
   
Shaft OD
(largest dimension):
Machining Tolerance:
(default: 0.004" / 0.1016 mm)
1. INTERFERENCE AMOUNT
2. RUNNING CLEARANCE
3. MACHINED ID
4. MACHINED OD
5. ½ TOLERANCE BAND
(Machining tolerance x 0.500)
6. GROOVE MEASURE
4

Number of Grooves


Angle between Grooves (A)


Groove Width (W)


Groove Depth (D)
 High ID dimension
(MACHINED ID + 1/2 tolerance band)
 Low ID dimension
(MACHINED ID - 1/2 tolerance band)
 High OD dimension
(MACHINED OD + 1/2 tolerance band)
 Low OD dimension
(MACHINED OD - 1/2 tolerance band)
7. MACHINED OD after 30 min. freezing in LN2
(MACHINED OD x .995)
FITS STOCK TUBE SIZE:    
CODE:    
ID:  in mm    
OD:in mm    
LENGTH:    
+ ADD ANOTHER DURABLUE POSITION
DURABLUE POSITION 2: Data for sizing:
 DURABLUE POSITION:
Housing ID
(smallest dimension):
   
Shaft OD
(largest dimension):
Machining Tolerance:
(default: 0.004" / 0.1016 mm)
1. INTERFERENCE AMOUNT
2. RUNNING CLEARANCE
3. MACHINED ID
4. MACHINED OD
5. ½ TOLERANCE BAND
(Machining tolerance x 0.500)
6. GROOVE MEASURE
4

Number of Grooves


Angle between Grooves (A)


Groove Width (W)


Groove Depth (D)
 High ID dimension
(MACHINED ID + 1/2 tolerance band)
 Low ID dimension
(MACHINED ID - 1/2 tolerance band)
 High OD dimension
(MACHINED OD + 1/2 tolerance band)
 Low OD dimension
(MACHINED OD - 1/2 tolerance band)
7. MACHINED OD after 30 min. freezing in LN2
(MACHINED OD x .995)
FITS STOCK TUBE SIZE:    
CODE:    
ID:  in mm    
OD:in mm    
LENGTH:    
+ ADD ANOTHER DURABLUE POSITION
DURABLUE POSITION 3: Data for sizing:
 DURABLUE POSITION:
Housing ID
(smallest dimension):
   
Shaft OD
(largest dimension):
Machining Tolerance:
(default: 0.004" / 0.1016 mm)
1. INTERFERENCE AMOUNT
2. RUNNING CLEARANCE
3. MACHINED ID
4. MACHINED OD
5. ½ TOLERANCE BAND
(Machining tolerance x 0.500)
6. GROOVE MEASURE
4

Number of Grooves


Angle between Grooves (A)


Groove Width (W)


Groove Depth (D)
 High ID dimension
(MACHINED ID + 1/2 tolerance band)
 Low ID dimension
(MACHINED ID - 1/2 tolerance band)
 High OD dimension
(MACHINED OD + 1/2 tolerance band)
 Low OD dimension
(MACHINED OD - 1/2 tolerance band)
7. MACHINED OD after 30 min. freezing in LN2
(MACHINED OD x .995)
FITS STOCK TUBE SIZE:    
CODE:    
ID:  in mm    
OD:in mm    
LENGTH:    
+ ADD ANOTHER DURABLUE POSITION
DURABLUE POSITION 4: Data for sizing:
 DURABLUE POSITION:
Housing ID
(smallest dimension):
   
Shaft OD
(largest dimension):
Machining Tolerance:
(default: 0.004" / 0.1016 mm)
1. INTERFERENCE AMOUNT
2. RUNNING CLEARANCE
3. MACHINED ID
4. MACHINED OD
5. ½ TOLERANCE BAND
(Machining tolerance x 0.500)
6. GROOVE MEASURE
4

Number of Grooves


Angle between Grooves (A)


Groove Width (W)


Groove Depth (D)
 High ID dimension
(MACHINED ID + 1/2 tolerance band)
 Low ID dimension
(MACHINED ID - 1/2 tolerance band)
 High OD dimension
(MACHINED OD + 1/2 tolerance band)
 Low OD dimension
(MACHINED OD - 1/2 tolerance band)
7. MACHINED OD after 30 min. freezing in LN2
(MACHINED OD x .995)
FITS STOCK TUBE SIZE:    
CODE:    
ID:  in mm    
OD:in mm    
LENGTH:    
IMPORTANT NOTE: This bearing sizing calculator assumes that the DuraBlue material has been climatized to the same ambient temperature of the machine shop which is in the range of 50-80° F (10-27° C). If your machine shop operates at different ambient temperatures please consult with Duramax Marine® engineering department at: +1-440-834-5400
CUSTOMER INFORMATION:
 Project / Vessel Name:
 Customer Name:
*Email:
 Date:
*Creates PDF, and submits form to Duramax Marine


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Duramax Marine is an ISO 9001:2015 certified company.
17990 Great Lakes Parkway, Hiram, Ohio 44234 U.S.A.
PHONE +1 440.834.5400
©Duramax Marine

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