KOYO Bearing

KOYO tapered roller bearings 31330JR

KOYO BEARING

Tapered roller bearings

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KOYO BEARING

Boundary dimensions

d                           D                       T                     B                     C              r        r1    mm         1/25.4           mm       1/25.4         mm     1/25.4       mm     1/25.4        mm     1/25.4     min.   min.

 

Bearing No. 1)

De-   sign   Basic load ratings

(kN)

Cr              C0r

Fatigue   load limit

(kN)

Cu

Load

center (mm)

a

 

da

min.

 

db    max.

Mounting dimensions

(mm)

Da                       Db           Sa

max.      min.       min.     min.

 

Sb    min.

 

ra     max.

 

rb     max.

Con-

stant

e

Axial load factors

Y1            Y0

(Refer.)

Mass

(kg)

150

225

270

320

59

77

82

59

73

75

46

60

50

3

4

5

2.5

3

4

33030JR

32230JR

31330JR

1

1

1

    575

881

952

869

1 070

989

101

122

110

47.8 65.2 100.1 164

168

172

164

170

179

213

256

302

200

226

272

217

254

301

8

8

9

13

17

27

2.5 3

4

2

2.5 3

0.36

0.44

0.83

1.65 1.38 0.73 0.90

0.76

0.40

8.09

18.2

28.0

152.400 6.0000 6.0000

6.0000

6.0000 6.0000

6.0000

6.0000

254.000 254.000 268.288

269.799 307.975 307.975

317.500

10.0000 10.0000

10.5625

10.6220 12.1250

12.1250

12.5000

66.675 66.675 74.613

74.612 88.900 88.900

88.900

2.6250 2.6250

2.9375

2.9375 3.5000

3.5000

3.5000

66.675 71.438 74.613

74.613 93.663 93.663

93.663

2.6250 2.8125

2.9375

2.9375 3.6875

3.6875

3.6875

47.625 47.625 57.150

57.150 61.913 66.675

66.675

1.8750 1.8750

2.2500

2.2500 2.4375

2.6250

2.6250

7.1

1.6

6.4

6.4

9.5

9.5

9.5

3.2

3.2

6.4

6.4

6.7

6.7

6.7

99600/99100

99603/99100

EE107060/107105

EE107060/107107

EE450601/451212

HH234048/HH234010

HH234048/HH234018

1

1

1

1

1

1

1

   

 

 

 

1

1

690

690

825

825

993

270

270

913

913

1 050

1 050

1 150

1 450

1 450

107

107

120

120

134

165

165

55.0 55.0 59.4

59.4 61.4 63.3

63.3

172

161

171

171

177

177

177

174

174

178

178

193

191

191

242

242

250

252

289

289

299

223

223

234

234

261

270

270

236

236

249

249

274

285

285

8

8

8

8

7

8

8

19.1 19.1 17.5

17.5 27

22.2

22.2

7.1 1.6 6.4

6.4 9.5 9.5

9.5

3.2 3.2 6.4

6.4 6.7 6.7

6.7

0.41

0.41

0.39

0.39

0.33

0.33

0.33

1.47 1.47

1.55

1.55 1.84 1.84

1.84

0.81

0.81

0.85

0.85

1.01

1.01

1.01

12.6

12.8

17.1

17.4

28.1

29.4

31.9

155.575 6.1250 330.200 13.0000 85.725 3.3750 79.375 3.1250 53.975 2.1250 6.4 6.4 H936340/H936310 1   1 080 1 210 131 103.8 174 196 312 281 311 6 31.8 6.4 6.4 0.81 0.74 0.41 31.4
160 220

240

290

38

51

84

38

51

80

30

38

67

2.5

3

4

2

2.5

3

32932JR

32032JR

32232JR

1

1

1

    368

553

994

568

758

1 210

75.2

90.3

137

38.4 52.1 70.3 172

174

178

173

175

182

210

228

276

204

213

242

212

231

274

7

8

10

8

13

17

2

2.5 3

2

2

2.5

0.35

0.46

0.44

1.73 1.31 1.38 0.95

0.72

0.76

4.19

7.75

23.2

160.325 6.3120 288.925 11.3750 63.500 2.5000 63.500 2.5000 47.625 1.8750 7.1 3.2 HM237532/HM237510 1     788 973 111 52.2 180 203 277 260 270 8 15.9 7.1 3.2 0.32 1.88 1.04 17.0
161.925 6.3750 374.650 14.7500 87.313 3.4375 79.375 3.1250 60.325 2.3750 6.4 3.2 EE117063/117148 1   1 100 1 220 132 103.7 180 218 363 308 337 7 27 6.4 3.2 0.73 0.82 0.45 43.7
165.100 6.5000 6.5000

6.5000

6.5000 6.5000

6.5000

247.650 254.000 288.925

289.975 336.550 360.000

9.7500 10.0000

11.3750

11.4163 13.2500

14.1732

47.625 46.038 63.500

63.500 92.075 92.075

1.8750 1.8125

2.5000

2.5000 3.6250

3.6250

47.625 46.038 63.500

63.500 95.250 88.897

1.8750 1.8125

2.5000

2.5000 3.7500

3.4999

38.100 33.338 47.625

48.000 69.850 63.500

1.5000 1.3125

1.8750

1.8898 2.7500

2.5000

3.6

4.8

7.1

7.1

3.2

9.5

3.2

3.2

3.2

3

6.4

3.2

67780/67720

M235145/M235113

HM237535/HM237510

HM237535/HM237513

HH437549/HH437510

EE420651/421417

1

1

1

1

1

1

   

 

 

1

1

432

476

788

788

310

180

701

620

973

973

1 630

1 460

79.8

81.0

111

111

177

159

52.3 41.5 52.2

52.2 70.7 75.6

178

180

185

185

177

190

193

191

203

203

215

243

236

242

277

279

318

348

226

232

260

260

290

317

237

239

270

270

307

334

5

7

8

8

12

6

9.5 12.7

15.9

15.5 22.2

28.6

3.6 4.8 7.1

7.1 3.2 9.5

3.2 3.2 3.2

3

6.4 3.2

0.44

0.32

0.32

0.32

0.37

0.40

1.36 1.88 1.88

1.88 1.62 1.49

0.75

1.04

1.04

1.04

0.89

0.82

7.92

7.87

16.4

16.6

38.5

42.9

168.275 6.6250 6.6250

6.6250

247.650 330.200 342.900 9.7500 13.0000

13.5000

47.625 85.725 85.725 1.8750 3.3750

3.3750

47.625 79.375 79.375 1.8750 3.1250

3.1250

38.100 53.975 53.975 1.5000 2.1250

2.1250

3.6

6.4

6.4

3.2

6.4

6.4

67782/67720

H936349/H936310

H936349/H936316

1

1

1

   

1

1

432

080

080

701

1 210

1 210

79.8

131

131

52.3 103.8 103.8 181

187

187

193

196

196

236

312

325

226

281

281

237

311

311

5

6

6

9.5 31.8 31.8 3.6 6.4 6.4 3.2 6.4 6.4 0.44

0.81

0.81

1.36 0.74 0.74 0.75

0.41

0.41

7.61

29.5

32.3

CMTG BEARING CO.,LIMITED.  has been engaged in bearing industry for many years, we provide a wide selections of brands, including FAG bearingSKF bearing,NSK bearing,Nachi bearing, TIMKEN bearing, THK Linear Guide and Linear Block …ect.

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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