PACIFIC MARINE & INDUSTRIAL ®      
 
Engineering Department Email:
 
Bearing Tolerances
Water Lubricated Cutless (Sleeve)
Marine Bearing - Propeller Shaft Bearing
 
Water Flow Rate: 2 GPM per inch of shaft
 
Replace Bearing: When 1/2 of water groove has been worn away.
 
Bearings Tolerances:
The following are the standards established by the US Navy, according to BuShips plan number 810-1385664:
 
Shaft or Sleeve Tolerances
Shaft or Sleeve Size (inches) Shaft Clearance (inches)
3/4" thru 1 3/8" +.003 to +.008
1 7/16" thru 1 7/8" +.004 to +.010
2" thru 2 3/8" +.006 to +.012
2 1/2" thru 3" +.007 to +.014
3 1/8" thru 3 3/4" +.008 to +.015
3 7/8" thru 4 1/4" +.010 to +.017
4 3/8" thru 4 7/8" +.012 to +.019
5" thru 5 3/8" +.015 to +.023
5 1/2" thru 5 7/8" +.017 to +.015
6" thru 6 3/8" +.020 to +.029
6 1/2" thru 6 7/8" +.022 to +.032
7" thru 7 3/8" +.024 to +.034
7 1/2" thru 7 3/8" +.025 to +.035
8" thru 8 3/8" +.027 to +.037
8 1/2" thru 8 7/8" +.028 to +.040
9" thru 9 7/8" +.030 to +.042
10" thru 10 7/8" +.032 to +.044
11" thru 11 3/8" +.034 to +.048
11 1/2" thru 12 3/4" +.035 to +.050
12 7/8" thru 13 3/8" +.037 to +.052
13 1/2" thru 14 1/2" +.040 to +.055
14 5/8" thru 15" +.042 to +.058
           
Bearing OD Tolerances:
Bearing OD Tolerance
1 1/4" thru 2" +.001 to -.001
2" thru 6" +.002 to -.001
6" thru 7 1/2" +.002 to -.002
7 3/4" thru 12" +.005 to -.005
12" thru 16" +.006 to -.006
16" thru 18" +.008 to -.008
 
This catalog page includes:
cutless bearings, cutless bearing, marine bearings, propeller shaft bearings, propeller shaft bearing, flanged marine bearing, flanged cutless bearing, cutlass bearing, cutlass bearings, flanged cutlass bearing, non metallic marine bearing, non metallic cutless bearing, metric marine bearing, metric cutlass bearing, metric propeller shaft bearing

TRUSTWORTHY GLOBAL TECHSUPPLY
PACIFIC MARINE & INDUSTRIAL
is a registered service mark of:

QUALITY PACIFIC MANUFACTURING, INC
Copyright © 1985-2012
All rights reserved.
Version 2.24