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FAFNIR SUPERPRECISION BEARINGS

Medium MM300K Series Deep Groove Conrad

Superprecision Bearings

FTF

Fundamental Train Frequency: The frequency at which the retainer will operate.

BSF

Ball Spin Frequency: The frequency at which a single defect on a rolling element will be detected.

BPFO

Ball Pass Frequency Outer: The frequency at which a single defect in the outer race will be detected.

BPFI

Ball Pass Frequency Inner: The frequency at which a single defect in the inner race will be detected.

Bearing Number

FTF

BSF

Fundamental Train

Ball Spin

Frequency

Frequency

MM301K

0.354

1.569

MM302K

0.382

1.994

MM303K

0.351

1.531

MM304K

0.357

1.601

MM305K

0.363

1.690

MM306K

0.368

1.757

MM307K

0.376

1.888

MM308K

0.378

1.925

MM309K

0.380

1.955

MM310K

0.381

1.981

MM311K

0.382

2.002

MM312K

0.383

2.020

MM313K

0.384

2.036

MM314K

0.385

2.050

FREQUENCY COEFFICIENTS

80

2.574

4.426

2.630

4.370

2.645

4.355

3.037

4.963

3.047

4.953

2.125

3.875

3.053

4.947

2.107

3.893

2.140

3.860

2.542

4.458

3.057

4.943

3.064

4.936

3.071

4.929

3.076

4.924

BPFO

BPFI

Ball Pass Frequency

Ball Pass Frequency

Outer

Inner

102800

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