PM&I: Catalog of Propeller Shaft Marine Bearings: Cutless Bearing Tolerances

PACIFIC MARINE & INDUSTRIAL

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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

SINCE 1985