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B-3220 KOYO Needle Roller Bearing

KOYO BEARING

NEEDLE ROLLER BEARINGS

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KOYO BEAIRNG

Shaft

Dia.

FwDCX max.Bearing DesignationLoadย RatingsFatigue

Load

Limit

Cu

Approx.ย Wt.Mounting DimensionsInspectionย gageMounting

innerย ring

(pages B-2-74

toย B-2-76)

+0ย ย ย +0.000ย -0.3 ย -0.012DynamicStaticShaftHousing
Openย EndsClosedย Oneย EndCC0Openย EndsClosed Oneย EndMax.Min.Max.Min.
inmm

in

mm

in

mm

in

mm

in

  kN

lbf

kNkg

lbs

mm

in

mm

in

mm

in

mm

in

  
250.800

2.0000

60.325

2.3750

25.40

1.000

3.05

0.120

B-3216M-3216157.5

12930

138

31000

21.50.124

0.273

0.140

0.309

50.800

2.0000

50.785

1.9994

60.338

2.3755

60.312

2.3745

Tableย B2-7 
 50.800

2.0000

60.325

2.3750

31.75

1.250

3.05

0.120

B-3220M-3220171.5

16070

183

41100

28.30.155

0.341

0.175

0.386

50.800

2.0000

50.785

1.9994

60.338

2.3755

60.312

2.3745

Tableย B2-7 
 50.800

2.0000

60.325

2.3750

38.10

1.500

3.05

0.120

B-3224M-3224184.8

19060

228

51200

34.90.186

0.410

0.211

0.465

50.800

2.0000

50.785

1.9994

60.338

2.3755

60.312

2.3745

Tableย B2-7 
 50.800

2.0000

60.325

2.3750

44.45

1.750

3.05

0.120

B-3228M-3228197.6

21940

272

61150

41.90.217

0.478

0.245

0.541

50.800

2.0000

50.785

1.9994

60.338

2.3755

60.312

2.3745

Tableย B2-7 
21/1652.388

2.0625

64.292

2.5312

19.05

0.750

BH-3312โ€”46.1

10360

86.9

19540

13.40.122

0.269

52.388

2.0625

52.372

2.0619

64.305

2.5317

64.280

2.5307

Tableย B2-7IR-2916
 52.388

2.0625

64.292

2.5312

25.40

1.000

3.56

0.140

BH-3316MH-3316164.2

14430

133

29900

20.70.162

0.358

0.184

0.406

52.388

2.0625

52.372

2.0619

64.305

2.5317

64.280

2.5307

Tableย B2-7IR-2916
 52.388

2.0625

64.292

2.5312

38.10

1.500

3.56

0.140

BH-3324MH-3324196.8

21760

226

50700

34.80.244

0.537

0.276

0.609

52.388

2.0625

52.372

2.0619

64.305

2.5317

64.280

2.5307

Tableย B2-7IR-2924
21/853.975

2.1250

63.500

2.5000

12.70

0.500

โ€”B-348โ€”26.1

5870

51.3

11530

7.650.065

0.144

โ€”53.975

2.1250

53.960

2.1244

63.513

2.5005

63.487

2.4995

Tableย B2-7IR-3024
 53.975

2.1250

63.500

2.5000

19.05

0.750

B-3412โ€”43.6

9790

99.0

22260

15.50.098

0.216

53.975

2.1250

53.960

2.1244

63.513

2.5005

63.487

2.4995

Tableย B2-7IR-3024
 53.975

2.1250

63.500

2.5000

25.40

1.000

3.05

0.120

B-3416M-3416159.1

13290

147

33000

22.80.131

0.289

0.148

0.327

53.975

2.1250

53.960

2.1244

63.513

2.5005

63.487

2.4995

Tableย B2-7IR-3024
 53.975

2.1250

63.500

2.5000

31.75

1.250

B-3420โ€”73.6

16550

194

43700

30.10.164

0.361

53.975

2.1250

53.960

2.1244

63.513

2.5005

63.487

2.4995

Tableย B2-7IR-3024
 53.975

2.1250

63.500

2.5000

38.10

1.500

3.05

0.120

B-3424M-3424187.3

19630

242

54400

37.10.196

0.433

0.223

0.491

53.975

2.1250

53.960

2.1244

63.513

2.5005

63.487

2.4995

Tableย B2-7IR-3024
21/457.150

2.2500

66.675

2.6250

19.05

0.750

3.30

0.130

B-3612M-3612146

10340

105

23700

16.50.103

0.228

0.117

0.258

57.150

2.2500

57.135

2.2494

66.688

2.6255

66.662

2.6245

Tableย B2-7 
 57.150

2.2500

66.675

2.6250

25.40

1.000

โ€”B-3616โ€”62.3

14010

155.6

35000

24.20.138

0.304

โ€”57.150

2.2500

57.135

2.2494

66.688

2.6255

66.662

2.6245

Tableย B2-7 
 57.150

2.2500

66.675

2.6250

31.75

1.250

B-3620โ€”77.5

17420

206

46400

31.80.172

0.380

57.150

2.2500

57.135

2.2494

66.688

2.6255

66.662

2.6245

Tableย B2-7 
 57.150

2.2500

66.675

2.6250

38.10

1.500

3.30

0.130

B-3624M-3624191.9

20660

257

57700

39.60.207

0.456

0.235

0.517

57.150

2.2500

57.135

2.2494

66.688

2.6255

66.662

2.6245

Tableย B2-7 
21/263.500

2.5000

73.020

2.8750

19.05

0.750

NB-4012โ€”48.1

10800

117

26300

18.40.116

0.255

โ€”63.500

2.5000

63.485

2.4994

73.165

2.8805

73.139

2.8795

Tableย B2-7 
 63.500

2.5000

73.020

2.8750

28.58

1.125

โ€”NB-4018โ€”73.3

16500

201

45200

31.20.174

0.383

โ€”63.500

2.5000

63.485

2.4994

73.165

2.8805

73.139

2.8795

Tableย B2-7 
 63.500

2.5000

73.020

2.8750

38.10

1.500

NB-4024โ€”96.2

21600

285

64100

44.50.231

0.508

โ€”63.500

2.5000

63.485

2.4994

73.165

2.8805

73.139

2.8795

Tableย B2-7 
25/866.675

2.6250

76.200

3.0000

25.40

1.000

3.30

0.130

B-4216M-4216166.7

15000

182

40900

23.90.159

0.351

0.181

0.398

66.675

2.6250

66.660

2.6244

76.213

3.0005

76.187

2.9995

Tableย B2-7 
23/469.850

2.7500

79.375

3.1250

15.88

0.625

B-4410โ€”41.0

9210

98.0

22000

14.90.104

0.229

69.850

2.7500

69.835

2.7494

79.388

3.1255

79.362

3.1245

Tableย B2-7IR-4016
 69.850

2.7500

79.375

3.1250

19.050

0.7500

โ€”B-4412โ€”50.7

11400

129

29000

20.10.124

0.274

โ€”69.850

2.7500

69.835

2.7494

79.388

3.1255

79.362

3.1245

Tableย B2-7IR-4016
 69.850

2.7500

79.375

3.1250

25.40

1.000

B-4416โ€”68.8

15470

191

42940

29.50.166

0.366

69.850

2.7500

69.835

2.7494

79.388

3.1255

79.362

3.1245

Tableย B2-7IR-4016
 69.850

2.7500

79.375

3.1250

31.75

1.250

3.30

0.130

B-4420M-4420185.5

19220

252

56700

38.90.208

0.458

0.235

0.519

69.850

2.7500

69.835

2.7494

79.388

3.1255

79.362

3.1245

Tableย B2-7 
376.200

3.0000

88.900

3.5000

19.05

0.750

NBH-4812โ€”59.3

13300

127

28600

19.70.186

0.409

76.200

3.0000

76.185

2.9994

89.040

3.5055

89.014

3.5045

Tableย B2-7 
 76.200

3.0000

88.900

3.5000

38.10

1.500

โ€”NBH-4824โ€”124

27900

329

74000

51.40.372

0.818

โ€”76.200

3.0000

76.185

2.9994

89.040

3.5055

89.014

3.5045

Tableย B2-7 
31/288.900

3.5000

101.600

4.0000

19.05

0.750

B-5612โ€”65.1

14630

150

33700

22.90.212

0.468

88.900

3.5000

88.885

3.4994

101.613

4.0005

101.587

3.9995

Tableย B2-7 
51/2139.700

5.5000

152.400

6.0000

19.05

0.750

โ€”B-8812โ€”76.8

17260

231

52000

31.60.325

0.717

โ€”139.700

5.5000

139.682

5.4993

152.425

6.0010

152.375

5.9990

Tableย B2-7

CMTG BEARING CO.,LIMITED. ย has been engaged in bearing industry for many years, we provide a wide selections of brands, includingย FAG bearing,ย SKF bearing,NSKย bearing,Nachi bearing, TIMKEN bearing, THK Linear Guide and Linear Block โ€ฆect.

Bearing typies including standard bearing and non-standard bearings, linear bearings, automotive bearings, large bearings, railway bearings,spherical plain bearings, high temperature,super-precision bearings, as well as some rare types customized to your need.

Contact us if any bearing in demand . we will check and revert ASAP.

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