Table 8 bearing fits & tolerances, According to abec i standard – Goulds Pumps ANSI FAMILY IOM (ATEX Compliant) - IOM User Manual
Page 75
ANSIFAM IOM - 5/08
73
6
Table 8
Bearing Fits & Tolerances
According to ABEC I standard
STX
in. (mm)
MTX
in. (mm)
LTX
in. (mm)
XLT-X, X-17
in. (mm)
Shaft O.D.
Inboard
1.3785
(35.013)
1.3781
(35.002)
1.7722
(45.013)
1.7718
(45.002)
2.1660
(55.015)
2.1655
(55.002)
2.5597
(65.015)
2.5592
(65.002)
Clearance
0.0010 (0.025) tight
0.0001 (0.002) tight
0.0010 (0.025) tight
0.0001 (0.002) tight
0.0012 (0.030) tight
0.0001 (0.002) tight
0.0012 (0.030) tight
0.0001 (0.002) tight
Bearing I.D.
Inboard
1.3780
(35.000)
1.3775
(34.988)
1.7717
(45.000)
1.7712
(44.988)
2.1654
(55.000)
2.1648
(54.985)
2.5591
(65.000)
2.5585
(64.985)
Frame I.D.
Inboard
2.8346
(72.000)
2.8353
(72.019)
3.9370
(100.000)
3.9379
(100.022)
4.7244
(120.000)
4.7253
(120.022)
5.5118
(140.000)
5.5128
(140.025)
Clearance
0.0012 (0.032) loose
0.0000 (0.000) loose
0.0015 (0.037) loose
0.0000 (0.000) loose
0.0015 (0.037) loose
0.0000 (0.000) loose
0.0017 (0.043) loose
0.0000 (0.000) loose
Bearing O.D.
Inboard
2.8346
(72.000)
2.8341
(71.987)
3.9370
(100.000)
3.9364
(99.985)
4.7244
(120.000)
4.7238
(119.985)
5.5118
(140.000)
5.5111
(139.982)
Shaft O.D.
Outboard
1.1815
(30.011)
1.1812
(30.002)
1.7722
(45.013)
1.7718
(45.002)
1.9690
(50.013)
1.9686
(50.002)
2.5597
(65.015)
2.5592
(65.002)
Clearance
0.0008 (0.021) tight
0.0001 (0.002) tight
0.0010 (0.025) tight
0.0001 (0.002) tight
0.0010 (0.025) tight
0.0001 (0.002) tight
0.0012 (0.030) tight
0.0001 (0.002) tight
Bearing I.D.
Outboard
1.1811
(30.000)
1.1807
(29.990)
1.7717
(45.000)
1.7712
(44.988)
1.9685
(50.000)
1.9680
(49.988)
2.5591
(65.000)
2.5585
(64.985)
Housing I.D.
Outboard
2.8346
(72.000)
2.8353
(72.019)
3.9370
(100.000)
3.9379
(100.022)
4.3307
(110.000)
4.3316
(110.022)
5.5118
(140.000)
5.5128
(140.025)
Clearance
0.0012 (0.032) loose
0.0000 (0.000) loose
0.0015 (0.037) loose
0.0000 (0.000) loose
0.0015 (0.037) loose
0.0000 (0.000) loose
0.0017 (0.043) loose
0.0000 (0.000) loose
Bearing O.D.
Outboard
2.8346
(72.000)
2.8341
(71.987)
3.9370
(100.000)
3.9364
(99.985)
4.3307
(110.000)
4.3301
(109.985)
5.5118
(140.000)
5.5111
(139.982)