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FAFNIR SUPERPRECISION BEARINGS

Ultra-Light 2MM9300WI 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.

2MM9310WI

0.4498

4.7547

10.3448

12.6552

0.5502

2MM9311WI

0.4490

4.6752

10.3262

12.6738

0.5510

2MM9312WI

0.4525

5.0286

11.3121

13.6879

0.5475

2MM9313WI

0.4556

5.3816

12.2999

14.7001

0.5444

2MM9314WI

0.4504

4.8196

10.8092

13.1908

0.5496

2MM9300WI

0.4054

2.4294

4.8649

7.1351

0.5946

2MM9301WI

0.4159

2.7546

5.4070

7.5930

0.5841

2MM9302WI

0.4204

2.9335

5.4650

7.5350

0.5796

2MM9303WI

0.4272

3.2198

6.4074

8.5926

0.5728

2MM9304WI

0.4194

2.9144

5.8719

8.1281

0.5806

2MM9320WI

0.4585

5.7746

13.2966

15.7034

0.5415

2MM9322WI

0.4617

6.2622

14.3126

16.6874

0.5383

2MM9324WI

0.4596

5.9438

13.7888

16.2112

0.5404

2MM9326WI

0.4580

5.7028

13.7392

16.2608

0.5420

2MM9328WI

0.4605

6.0759

14.7367

17.2633

0.5395

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)

2MM9305WI

0.4314

3.4509

7.3346

9.6654

0.5686

2MM9306WI

0.4404

3.9846

8.3667

10.6333

0.5596

2MM9307WI

0.4405

3.9924

8.3695

10.6305

0.5595

2MM9308WI

0.4399

3.9578

8.3586

10.6414

0.5601

2MM9309WI

0.4458

4.3966

9.3612

11.6388

0.5542

2MM9315WI

0.4531

5.1086

11.3285

13.6715

0.5469

2MM9316WI

0.4556

5.3974

12.3014

14.6986

0.5444

2MM9317WI

0.4557

5.3371

11.8322

14.1678

0.5449

2MM9318WI

0.4537

5.1643

11.7957

14.2043

0.5463

2MM9319WI

0.4557

5.4085

12.7607

15.2393

0.5443

2MM9330WI

0.4531

5.1086

12.2348

14.7652

0.5469

2MM9332WI

0.4536

5.1589

12.2480

14.7520

0.5464

2MM9334WI

0.4559

5.4349

13.2209

15.7791

0.5441

2MM9340WI

0.4521

4.9931

12.2062

14.7938

0.5479

FREQUENCY COEFFICIENTS

102800

17

SUPERPRECISION BEARINGS

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