Bearing Fits And Tolerances - Goulds Pumps 3700 Installation, Operation And Maintenance Manual

Surface inspection locations
This figure shows the areas to inspect for wear on the bearing frame surface.
Figure 65: Surface inspection locations

Bearing fits and tolerances

Table 8: Bearing fits and tolerances table (SI units)
This table references the bearing fits and tolerances according to ISO 286 (ANSI/ABMA Standard 7) in
inches (millimeters).
Location Description SA
Radial Shaft OD
(Inboard)
Interference 0.0001
Bearing ID
Frame ID
Clearance
Bearing OD
Model 3700, API Type OH2 / ISO 13709 1st and 2nd Ed. / API 610 8/9/10/11th Ed. Installation, Operation, and Maintenance
Manual
SX
1.9690 2.3628
(50.013) (60.015)
1.9686 2.3623
(50.002) (60.002)
0.0001
(0.002) (0.002)
0.0010 0.0012
(0.025) (0.030)
1.9680 2.3616
(49.988) (59.985)
1.9685 2.3622
(50.000) (60.0000
3.5433 4.3307
(90.000) (110.000)
3.5442 4.3316
(90.022) (110.022)
0.0000 0.0000
(0.000) (0.000)
0.0015 0.0015
(0.037) (0.037)
3.5483 4.3307
(90.000) (110.000)
3.5427 4.3301
(89.985) (110.022)
MA MX, LA
2.1659 2.5597
(55.015) (65.015)
2.1654 2.5592
(55.002) (65.002)
0.0001 0.0001
(0.002) (0.002)
0.0012 0.0012
(0.030) (0.030)
2.1647 2.5585
(54.985) (64.985)
2.1653 2.5591
(55.000) (65.000)
3.9370 4.7244
(100.000) (120.000)
3.9378 4.7253
(100.022) (120.022)
0.0000 0.0000
(0.000) (0.000)
0.0015 1.0015
(0.037) (0.037)
3.9390 4.7244
(100.000) (120.000)
3.9363 4.7238
(99.985) (119.985)
LX, XLA XLX
2.9534 3.5440
(75.015) (90.018)
2.9529 3.5434
(75.002) (90.003)
0.0001 0.0001
(0.002) (0.003)
0.0012 0.0015
(0.030) (0.038)
2.9522 3.5425
(74.985) (89.980)
2.9528 3.5433
(75.000) (90.000)
5.1181 6.2992
(130.000) (160.000)
5.1191 6.3002
(130.025) (160.025)
0.0000 0.0000
(0.000) (0.000)
0.0017 0.0020
(0.043) (0.050)
5.1181 6.2992
(130.000) (160.000)
5.1174 6.2982
(129.982) (159.975)
Maintenance
XXL
3.9377
(100.018)
3.9371
(100.002)
0.0001
(0.002)
0.001 (0.038)
3.9362
(99.980)
3.9370
(100.000)
7.0866
(180.000)
7.0875
(180.023)
0.0000
(0.000)
0.0012
(0.048)
7.0866
(180.000)
7.0856
(179.975)
87