Table 8 bearing fits & tolerances, According to abec i standard – Goulds Pumps ANSI FAMILY IOM (ATEX Compliant) User Manual

Page 27

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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)

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