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FAFNIR SUPERPRECISION BEARINGS

Extra-Light 3MM9100WI Series

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.

3MM9110WI

0.4391

3.6669

7.9036

10.0964

0.5609

3MM9111WI

0.4354

3.4544

7.8373

10.1627

0.5646

3MM9112WI

0.4396

3.7005

8.3519

10.6481

0.5604

3MM9113WI

0.4432

3.9461

8.8647

11.1353

0.5568

3MM9114WI

0.4400

3.7251

8.3599

10.6401

0.5600

3MM9100WI

0.3740

1.7697

2.9924

5.0076

0.6260

3MM9101WI

0.3957

2.0724

3.9569

6.0431

0.6043

3MM9102WI

0.4084

2.3844

4.4924

6.5076

0.5916

3MM9103WI

0.4170

2.6493

4.5875

6.4125

0.5830

3MM9104WI

0.4074

2.3573

4.4816

6.5184

0.5926

3MM9120WI

0.4453

4.0945

9.7958

12.2042

0.5547

3MM9121WI

0.4430

3.9235

9.3021

11.6979

0.5570

3MM9122WI

0.4434

3.9573

9.7557

12.2443

0.5566

3MM9124WI

0.4472

4.2479

10.2861

12.7139

0.5528

3MM9126WI

0.4433

3.9462

9.3096

11.6904

0.5567

Bearing Number

FTF

BSF

BPFO

BPFI

FTF

Fundamental Train Frequency (Inner Rotation)

Ball Spin Frequency

Ball Pass Frequency Outer

Ball Pass Frequency Inner

Fundamental Train Frequency (Outer Rotation)

3MM9105WI

0.4203

2.7625

5.4635

7.5365

0.5797

3MM9106WI

0.4243

2.9475

5.9467

8.0533

0.5752

3MM9107WI

0.4258

2.9877

6.3864

8.6136

0.5742

3MM9108WI

0.4333

3.3411

6.9332

9.0668

0.5667

3MM9109WI

0.4340

3.3761

7.3782

9.6218

0.5660

3MM9115WI

0.4432

3.9379

8.8630

11.1370

0.5568

3MM9116WI

0.4404

3.7441

8.8074

11.1926

0.5596

3MM9117WI

0.4433

3.9400

9.3085

11.6915

0.5567

3MM9118WI

0.4405

3.7587

8.8101

11.1899

0.5595

3MM9119WI

0.4430

3.9267

9.3026

11.6974

0.5570

3MM9128WI

0.4466

4.1914

9.8241

12.1759

0.5534

3MM9130WI

0.4463

4.1705

9.8186

12.1814

0.5537

3MM9132WI

0.4461

4.1515

9.8135

12.1865

0.5539

3MM9134WI

0.4431

3.9318

9.7492

12.2508

0.5569

3MM9136WI

0.4406

3.7588

8.8114

11.1886

0.5594

3MM9140WI

0.4408

3.7719

8.8164

11.1836

0.5592

FREQUENCY COEFFICIENTS

102800

47

SUPERPRECISION BEARINGS

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