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FAFNIR SUPERPRECISION BEARINGS

Extra-Light High Speed 2MMV99100WN 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.

2MMV99106WN

0.4288

3.3241

6.8615

9.1385

0.5712

2MMV99107WN

0.4448

4.3111

9.3403

11.6597

0.5552

2MMV99108WN

0.4512

4.8947

10.8295

13.1705

0.5488

2MMV99109WN

0.4489

4.6750

10.3246

12.6754

0.5511

2MMV99110WN

0.4528

5.0724

11.3207

13.6793

0.5472

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)

2MMV99101WN 2MMV99102WN 2MMV99103WN 2MMV99104WN 2MMV99105WN

0.3887 0.4023 0.4115 0.4011 0.4148

2.0593 2.3729 2.6389 2.3455 2.7523

3.4985 4.4250 5.3494 4.4120 5.3928

5.5015 6.5750 7.6506 6.5880 7.6072

0.6113 0.5977 0.5885 0.5989 0.5852

2MMV99116WN

0.4589

5.8300

13.3085

15.6915

0.5411

2MMV99117WN

0.4610

6.1310

14.2906

16.7094

0.5390

2MMV99118WN

0.4568

5.5308

12.7902

15.2098

0.5432

2MMV99119WN

0.4586

5.7748

13.2992

15.7008

0.5414

2MMV99120WN

0.4606

6.0708

14.2782

16.7218

0.5394

FREQUENCY COEFFICIENTS

2MMV99111WN

0.4525

5.0285

11.3121

13.6879

0.5475

2MMV99112WN

0.4556

5.3815

11.8443

14.1557

0.5444

2MMV99113WN

0.4582

5.7340

12.8308

15.1692

0.5418

2MMV99114WN

0.4575

5.6283

12.8104

15.1896

0.5425

2MMV99115WN

0.4602

6.0120

13.8057

16.1943

0.5398

2MMV99121WN

0.4596

5.9229

13.7892

16.2108

0.5404

2MMV99122WN

0.4591

5.8399

13.7729

16.2271

0.5409

2MMV99124WN

0.4618

6.2625

14.7784

17.2216

0.5382

2MMV99126WN

0.4610

6.1362

14.7512

17.2488

0.5390

2MMV99128WN

0.4633

6.5243

15.7513

18.2487

0.5367

2MMV99130WN

0.4616

6.2346

15.2336

17.7664

0.5384

102800

27

SUPERPRECISION BEARINGS

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