Bearing fits and tolerances – Goulds Pumps 3198 i-FRAME - IOM User Manual
Page 83
134
Figure 31: STi and MTi bearing housing
Bearing fits and tolerances
This table references the bearing fits and tolerances according to the ABEC I standard.
Table 13: Bearing fits and tolerances table
STi inches
(millimeters)
MTi inches
(millimeters)
LTi inches
(millimeters)
XLT-i, i-17 inches
(millimeters)
Shaft OD
Inboard
1.3785 (35.014)
1.3781 (35.004)
1.7722 (45.014)
1.7718 (45.004)
2.1660 (55.016)
2.1655 (55.004)
2.5597 (65.016)
2.5592 (65.004)
Clearance
0.0010 (0.025) tight
0.0001 (0.003) tight
0.0010 (0.025) tight
0.0001 (0.003) tight
0.0012 (0.030) tight
0.0001 (0.003) tight
0.0012 (0.030) tight
0.0001 (0.003) tight
Bearing ID
Inboard
1.3780 (35.001)
1.3775 (34.989)
1.7717 (45.001)
1.7712 (44.988)
2.1654 (55.001)
2.1648 (54.986)
2.5591 (65.001)
2.5585 (64.986)
Frame ID
Inboard
2.8346 (72.000)
2.8353 (72.017)
3.9370 (100.000)
3.9379 (100.023)
4.7244 (120.000)
4.7253 (120.023)
5.5118 (140.000)
5.5128 (140.025)
Clearance
0.0012 (0.031) loose
0.0000 (0.000) loose
0.0015 (0.038) loose
0.0000 (0.000) loose
0.0015 (0.038) loose
0.0000 (0.000) loose
0.0017 (0.043) loose
0.0000 (0.000) loose
Bearing OD
Inboard
2.8346 (72.000)
2.8341 (71.986)
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 OD
Outboard
1.1815 (30.010)
1.1812 (30.002)
1.7722 (45.014)
1.7718 (45.004)
1.9690 (50.013)
1.9686 (50.003)
2.5597 (65.016)
2.5592 (65.004)
Clearance
0.0008 (0.020) tight
0.0001 (0.003) tight
0.0010 (0.025) tight
0.0001 (0.003) tight
0.0010 (0.025) tight
0.0001 (0.003) tight
0.0012 (0.030) tight
0.0001 (0.003) tight
Bearing OD
Outboard
1.1811 (30.000)
1.1807 (29.990)
1.7717 (45.001)
1.7712 (44.988)
1.9685 (50.000)
1.9680 (49.987)
2.5591 (65.001)
2.5585 (64.986)
Housing OD
Outboard
2.8346 (72.000)
2.8353 (72.017)
3.9370 (100.000)
3.9379 (100.022)
4.3307 (110.000)
4.3316 (110.023)
5.5118 (140.000)
5.5128 (140.025)
Clearance
0.0012 (0.031) loose
0.0000 (0.000) loose
0.0015 (0.038) loose
0.0000 (0.000) loose
0.0015 (0.038) loose
0.0000 (0.000) loose
0.0017 (0.043) loose
0.0000 (0.000) loose
Bearing OD
Outboard
2.8346 (72.000)
2.8341 (71.986)
3.9370 (100.000)
3.9364 (99.985)
4.3307 (110.000)
4.3301 (109.985)
5.5118 (140.000)
5.5111 (139.982)
Maintenance
Model 3198 i-FRAME Installation, Operation, and Maintenance Manual
81