Double Row Cylindrical Roller Bearings

 

Designation

Dimensions (mm)

Basic loadratings

Limiting Speed

r/min

Mass

New Code

Old Code

d

D

B

rsmin

r1smin

Cr(KN)

Cor(KN)

Grease

Oil

(Kg)

NN3005K/W33

3182105K

25

47

12

   

26

30

19000

22000

 

NN3006K/W33

3182106K

30

55

19

   

30.8

37.5

16000

18000

 

NN3007/W33

3182107K

35

62

20

   

39.1

50

14000

16000

 

NN3008/W33

3182108K

40

68

21

   

42.9

56

12000

14000

 

NN3009/W33

3182109K

45

75

23

   

50.1

65.5

11000

13000

 

NN3010/W33

3182110K

50

80

23

   

52.8

73.8

10000

12000

 

NN3011/W33

3182111K

55

90

26

   

69.3

96.5

9500

11000

 

NN3012/W33

3182112K

60

95

26

   

73.7

106

9000

10000

 

NN3013/W33

3182113K

65

100

26

   

76.5

116

8500

9500

 

NN3014/W33

3182114K

70

110

30

   

96.8

150

7500

8500

 

NN3015/W33

3182115K

75

115

30

   

96.8

150

7000

8000

 

NN3016/W33

3182116K

80

125

34

   

119

186

6700

7500

 

NN3017/W33

3182117K

85

130

34

   

125

204

6300

7000

 

NN3018/W33

3182118K

90

140

37

   

138

216

6000

6700

 

NN3020/W33

3182120K

100

150

37

   

151

250

5300

6000

 

NN3021/W33

3182121K

105

160

41

   

190

305

5000

5600

 

NN3022/W33

3182122K

110

170

45

   

220

360

4800

5300

 

NN3024/W33

3182124K

120

180

46

   

229

390

4500

5000

 

NN3026/W33

3182126K

130

220

52

   

286

480

4000

4500

 

NN3028/W33

3182128K

140

210

53

   

286

480

4000

4500

 

NN3030/W33

3182130K

150

225

56

   

286

480

4000

4500

 

NN3032/W33

3182132K

160

240

60

   

286

480

4000

4500

 

NN3034/W33

3182134K

170

260

67

   

286

480

4000

4500

 

NN3036/W33

3182136K

180

280

74

   

286

480

4000

4500

 

NN3038/W33

3182138K

190

290

75

   

286

480

4000

4500

 

NN3040/W33

3182140K

200

310

82

   

286

480

4000

4500

 

NN3044/W33

3182144K

220

340

90

   

286

480

4000

4500

 

NN3048/W33

3182148K

240

360

92

   

286

480

4000

4500

 

NN3052/W33

3182152K

260

400

104

   

286

480

4000

4500

 

NN3056/W33

3182156K

280

420

106

   

286

480

4000

4500

 

NN3064/W33

3182164K

320

480

121

   

286

480

4000

4500

 

NN4830

-

150

190

40

1.1

1.1

190

450

2400

3000

2.8

NN4830K

-

150

190

40

1.1

1.1

190

450

2400

3000

2.75

NNU4930

4482930

150

210

60

2

2

300

590

2000

2600

6.3

NNU4930K

4382930

150

210

60

2

2

300

590

2000

2600

6.2

NN3030

3282130

150

225

56

2.1

2.1

330

570

2000

2600

7.8

NN3030K

3182130

150

225

56

2.1

2.1

330

570

2000

2600

7.7

NNU4130

-

150

250

100

2.1

2.1

680

1170

1900

2400

18

NNU4130K

-

150

250

100

2.1

2.1

680

1170

1900

2400

17.5

NNU4932

4482932

160

220

60

2

2

315

620

2000

2600

6.6

NNU4932K

4382932

160

220

60

2

2

315

620

2000

2600

6.5

NN3032

3282132

160

240

60

2.1

2.1

345

650

1900

2400

8.4

NN3032K

3182132

160

240

60

2.1

2.1

345

650

1900

2400

8.3

NNU4132

-

160

270

109

2.1

2.1

850

1380

1800

2200

25

NNU4132K

-

160

270

109

2.1

2.1

850

1380

1800

2200

24.5

NNU4934

4482934

170

230

30

2

2

330

680

2000

2600

7

NNU4934K

4382934

170

230

60

2

2

330

680

2000

2600

6.9

NN3034

3282134

170

260

67

2.1

2.1

435

810

1900

2400

13.3

NN3034K

3182134

170

260

67

2.1

2.1

435

810

1900

2400

12.9

NNU4134

-

170

280

109

2.1

2.1

880

1500

1600

2000

26

NNU4134K

-

170

280

109

2.1

2.1

880

1500

1600

2000

25.5

NNU4936

4482936

180

250

69

2

2

400

770

1900

2400

11

NNU4936K

4382936

180

250

69

2

2

400

770

1900

2400

10.5

NN3036

3282136

180

280

74

2.1

2.1

550

1000

1800

2200

17

NN3036K

3182136

180

280

74

2.1

2.1

550

1000

1800

2200

16.5

NNU4136

-

180

300

118

3

3

980

1650

1500

1900

33

NNU4136K

-

180

300

118

3

3

980

1650

1500

1900

32.5

NNU4938

4482938

190

260

69

2

2

400

800

1800

2200

11.5

NNU4938K

4382938

190

260

69

2

2

400

800

1800

2200

11

NN3038

3282138

190

290

75

2.1

2.1

560

1000

1600

2000

18

NN3038K

3182138

190

290

75

2.1

2.1

560

1000

1600

2000

17.5

NNU4138

-

190

320

128

3

3

1200

2000

1400

1800

41.5

NNU4138K

-

190

320

128

3

3

1200

2000

1400

1800

41

NNU4840

-

200

250

50

1.1

1.1

240

540

1900

2400

5.8

NNU4840K

-

200

250

50

1.1

1.1

240

540

1900

2400

5.75

NNU4940

4482940

200

280

80

2.1

2.1

480

950

1800

2300

15

NNU4940K

4382940

200

280

80

2.1

2.1

480

950

1800

2300

14.5

NN3040

3282140

200

310

82

2.1

2.1

640

1100

1600

2000

22.5

NN3040K

3182140

200

310

82

2.1

2.1

640

1100

1600

2000

22

NNU4140

-

200

340

140

3

3

1350

2300

1400

1700

52

NNU4140K

-

200

340

140

3

3

1350

2300

1400

1700

50

NNU4944

4482944

220

300

80

2.1

2.1

480

1050

1600

2000

17

NNU4944K

4382944

220

300

80

2.1

2.1

480

1050

1600

2000

16.5

NN3044

3282144

220

340

90

3

3

790

1400

1400

1800

31

NN3044K

3182144

220

340

90

3

3

790

1400

1400

1800

30.5

NNU4144

-

220

370

150

4

4

150

2650

1200

1500

66

NNU4144K

-

220

370

150

4

4

1500

2650

1200

1500

65

NNU4848

-

240

300

60

1.1

1.1

350

850

1800

2200

10

NNU4848K

-

240

300

60

1.1

1.1

350

850

1800

2200

9.8

NNU4948

4482948

240

320

80

2.1

2.1

500

1100

1600

2000

18

NNU4948K

4382948

240

320

80

2.1

2.1

500

1100

1600

2000

17.5

NN3048

3282148

240

360

92

3

3

810

1550

1400

1800

32

NN3048K

3182148

240

360

92

3

3

810

1550

1400

1800

31.5

NNU4148

-

240

400

160

4

4

1800

3300

1100

1400

86

NNU4148K

-

240

400

160

4

4

1800

3300

1100

1400

85

NNU4952

4482952

260

360

100

2.1

2.1

710

1500

1400

1800

30

NNU4952K

4382952

260

360

100

2.1

2.1

710

1500

1400

1800

29

NN3052

3282152

260

400

104

4

4

960

1800

1300

1600

48

NN3052K

3182152

260

400

104

4

4

960

1800

1300

1600

47

NNU4052

-

260

400

140

4

4

1500

2850

1200

1500

64

NNU4052K

-

260

400

140

4

4

1500

2850

1200

1500

63.5

NNU44152

-

260

440

180

4

4

2000

3550

1000

1300

112

NNU4152K

-

260

440

180

4

4

2000

3550

1000

1300

110

NNU4856

-

280

350

69

1.1

2

450

1150

1400

1700

16

NNU4856K

-

280

350

69

1.1

2

450

1150

1400

1700

15.5

NNU4956

4482956

280

380

100

2.1

2.1

700

1650

1300

1600

33

NNU4956K

4382956

280

380

100

2.1

2.1

700

1650

1300

1600

32.5

NN3056

3282156

280

420

106

4

4

1000

1900

1600

2000

50

NN3056K

3182156

280

420

106

4

4

1000

1900

1600

2000

49.5

NNU4056

-

280

420

140

4

4

1500

2850

1100

1400

67

NNU4056K

-

280

420

140

4

4

1500

2850

1100

1400

66.5

NNU4156

-

280

460

180

5

5

2300

4300

950

1200

122

NNU4156K

-

280

460

180

5

5

2300

4300

950

1200

120

NNU4860

-

300

380

80

1.5

2.1

530

1450

1700

2200

22.5

NNU4860K

-

300

380

80

1.5

2.1

530

1450

1700

2200

22

NNU4960

4482960

300

420

118

3

3

950

2150

1600

2000

51

NNU4960K

4382960

300

420

118

3

3

950

2150

1600

2000

50

NN3060

3282160

300

460

118

4

4

1150

2200

1500

1900

70

NN3060K

3182160

300

460

118

4

4

1150

2200

1500

1900

68.5

NNU4060

-

300

460

160

4

4

1850

3600

1000

1300

97

NNU4060K

-

300

460

160

4

4

1850

3600

1000

1300

96

NNU4160

-

300

500

200

5

5

2600

4800

900

1100

157

NU4160K

-

300

500

200

5

5

2600

4800

900

1100

155

NNU4864

-

320

400

80

1.5

2.1

700

1850

1200

1500

24

NNU4864k

-

320

400

80

1.5

2.1

700

1850

1200

1500

23.5

NNU4964

4482964

320

440

118

3

3

1000

2250

1100

1400

54

NNU4964k

4382964

320

440

118

3

3

1000

2250

1100

1400

53

NN3064

3282164

320

480

121

4

4

1200

2350

1000

1300

76.5

NN3064K

3182164

320

480

121

4

4

1200

2350

1000

1300

75

NNU4064

-

320

480

160

4

4

1950

3900

950

1200

102

NNU4064K

-

320

480

160

4

4

1950

3900

950

1200

100

NNU4164

-

320

540

218

5

5

3100

5600

800

1000

202

NNU4164K

-

320

540

218

5

5

3100

5600

800

1000

200

NNU4868

-

340

420

80

1.5

2.1

600

1650

1100

1400

25.5

NNU4868K

-

340

420

80

1.5

2.1

600

1650

1100

1400

25

NNU4968

4482968

340

460

118

3

3

1000

2400

1000

1300

57

NNU4968K

4382968

340

460

118

3

3

1000

2400

1000

1300

56

NN3068

3282168

340

520

133

5

5

1550

3000

950

1200

100

NN3068K

3182168

340

520

133

5

5

1550

3000

950

1200

99

NNU4068

-

340

520

180

5

5

2300

4600

900

1100

142

NNU4068K

-

340

520

180

5

5

2300

4600

900

1100

140

NNU4168

-

340

580

243

5

5

3650

7000

750

950

262

NNU4168K

-

340

580

243

5

5

3650

7000

750

950

260

NNU4972

4482972

360

480

118

3

3

1050

2550

1400

1700

59

NNU4972K

4382972

360

480

118

3

3

1050

2550

1400

1700

58.5

NN3072

3282172

360

540

134

5

5

1600

3200

1200

1500

106

NN3072K

3182172

360

540

134

5

5

1600

3200

1200

1500

105

NNU4072

-

360

540

180

5

5

2550

5150

900

1100

141

NNU4072K

-

360

540

180

5

5

2550

5150

900

1100

140

NNU4172

-

360

600

243

5

5

3900

7650

700

900

277

NNU4172K

-

360

600

243

5

5

3900

7650

700

900

275

NNU4876

-

380

480

100

1.5

2.1

900

2300

950

1200

45

NNU4876K

-

380

480

100

1.5

2.1

900

2300

950

1200

44

NNU4976

4482976

380

520

140

4

4

1350

3250

900

1100

89

NNU4976K

4382976

380

520

140

4

4

1350

3250

900

1100

87.5

NN3076

3282176

380

560

135

5

5

1550

3150

900

1100

112

NN3076K

3182176

380

560

135

5

5

1550

3150

900

1100

110

NNU4076

-

380

560

180

5

5

2600

5400

800

1000

153

NNU4076K

-

380

560

180

5

5

2600

5400

800

1000

150

NNU4176

-

380

620

243

5

5

3900

7650

670

850

288

NNU4176K

-

380

620

243

5

5

3900

7650

670

850

285

NNU4168

-

340

580

243

5

5

3650

7000

750

950

262

NNU4168K

-

340

580

243

5

5

3650

7000

750

950

260

NNU4972

4482972

360

480

118

3

3

1050

2550

1400

1700

59

NNU4972K

4382972

360

480

118

3

3

1050

2550

1400

1700

58.5

NN3072

3282172

360

540

134

5

5

1600

3200

1200

1500

106

NN3072K

3182172

360

540

134

5

5

1600

3200

1200

1500

105

NNU4072

-

360

540

180

5

5

2550

5150

900

1100

141

NNU4072K

-

360

540

180

5

5

2550

5150

900

1100

140

NNU4172

-

360

600

243

5

5

3900

7650

700

900

277

NNU4172K

-

360

600

243

5

5

3900

7650

700

900

275

NNU4876

-

380

480

100

1.5

2.1

900

2300

950

1200

45

NNU4876K

-

380

480

100

1.5

2.1

900

2300

950

1200

44

NNU4976

4482976

380

520

140

4

4

1350

3250

900

1100

89

NNU4976K

4382976

380

520

140

4

4

1350

3250

900

1100

87.5

NN3076

3282176

380

560

135

5

5

1550

3150

900

1100

112

NN3076K

3182176

380

560

135

5

5

1550

3150

900

1100

110

NNU4076

-

380

560

180

5

5

2600

5400

800

1000

153

NNU4076K

-

380

560

180

5

5

2600

5400

800

1000

150

NNU4176

-

380

620

243

5

5

3900

7650

670

850

288

NNU4176K

-

380

620

243

5

5

3900

7650

670

850

285

NNU4184K

-

420

700

280

6

6

5000

10300

600

750

440

NNU4888

-

440

540

100

1.5

1.5

910

2450

1000

1300

51

NNU4888K

-

440

540

100

1.5

1.5

910

2450

1000

1300

50

NNU4988

4482988

440

600

160

4

4

1850

4700

1000

1300

132

NNU4988K

4382988

440

600

160

4

4

1850

4700

1000

1300

130

NN3088

3282188

440

650

157

6

6

2200

4600

950

1200

173

NN3088K

3182188

440

650

157

6

6

2200

4600

950

1200

170

NNU4088

-

440

650

212

6

6

3600

7500

670

850

218

NNU4088K

-

440

650

212

6

6

3600

8500

670

850

215

NNU4188

-

440

720

280

6

6

5150

11000

560

700

455

NNU4188K

-

440

720

280

6

6

5150

11000

560

700

450

NNU4892

-

460

580

118

3

3

1100

2950

950

1200

75.5

NNU4892K

-

460

580

118

3

3

1100

2950

950

1200

75

NNU4992

4482992

460

620

160

4

4

2050

5000

800

1000

136

NNU4992K

4382992

460

620

160

4

4

2050

5000

800

1000

135

NN3092

3282192

460

680

163

6

6

2470

5070

800

1000

197

NN3092K

3182192

460

680

163

6

6

2470

5070

800

1000

195

NNU4092

-

460

680

218

6

6

3900

8100

630

800

242

NNU4092K

-

460

680

218

6

6

3900

8100

630

800

240

NNU4192

-

460

760

300

7.5

7.5

5800

12000

530

670

538

NNU4192K

-

460

760

300

7.5

7.5

5800

12000

530

670

535

NNU4996

4482996

480

650

170

5

5

2100

5500

800

1000

162

NNU4996K

4382996

480

650

170

5

5

2100

5500

800

1000

160

NN3096

3282196

480

700

165

6

6

2450

5300

700

900

203

NN3096K

3182196

480

700

165

6

6

2450

5300

700

900

200

NNU4096

-

480

700

218

6

6

4000

8700

600

750

277

NNU4096K

-

480

700

218

6

6

4000

8700

600

750

275

NNU4196

-

480

790

308

7.5

7.5

6350

13000

500

630

594

NNU4196K

-

480

790

308

7.5

7.5

6350

13000

500

630

590

NNU49/500

44829/500

500

670

170

5

5

2200

5500

750

950

166

NNU49/500K

43829/500

500

670

170

5

5

2200

5500

750

950

165

NN30/500

32821/500

500

720

167

6

6

2500

5300

700

900

212

NN30/500K

-

500

720

167

6

6

2500

5300

700

900

210

NNU40/500

-

500

720

218

6

6

4050

9000

600

750

288

NNU40/500K

-

500

720

218

6

6

4050

9000

600

750

285

NNU41/500

-

500

830

325

7.5

7.5

6750

13500

480

600

715

NNU41/500K

-

500

830

325

7.5

7.5

6750

13500

480

600

710

NNU49/530

44829/530

530

710

180

5

5

2600

7050

800

1000

202

NNU49/530K

43829/530

530

710

180

5

5

2600

7050

800

1000

200

NN30/530

32821/530

530

780

185

6

6

3000

6500

800

1000

272

NN30/530K

31821/530

530

780

185

6

6

3000

6500

800

1000

270

NNU40/530

-

530

780

250

6

6

5000

11000

530

670

423

NNU40/530K

-

530

780

250

6

6

5000

11000

530

670

420

NNU41/530

-

530

870

335

7.5

7.5

7050

14500

450

560

795

NNU41/530K

-

530

870

335

7.5

7.5

7050

14500

450

560

790

NN39/560

-

560

750

140

5

5

2350

4850

800

1000

188

NNU49/560

44829/560

560

750

190

5

5

2900

7800

750

950

237

NNU49/560K

43829/560

560

750

190

5

5

2900

7800

750

950

235

NN6/560

-

560

780

180

6

6

2400

6400

750

950

266

NN30/560

32821/560

560

820

195

6

6

3350

8150

700

900

318

NN30/560K

31821/560

560

820

195

6

6

3350

8150

700

900

315

NNU40/560

-

560

820

258

6

6

5150

12000

500

630

478

NNU40/560K

-

560

820

258

6

6

5150

12000

500

630

475

NNU41/560

-

560

920

355

7.5

7.5

8000

16500

430

530

935

NNU41/560K

-

560

920

355

7.5

7.5

8000

16500

430

530

930

NN49/600

42829/600

600

800

200

5

5

3450

7150

700

900

278

NNU49/600

44829/600

600

800

200

5

5

3450

7150

700

900

283

NNU49/600K

43829/600

600

800

200

5

5

3450

7150

700

900

280

NN30/600

32821/600

600

870

200

6

6

3600

7800

670

850

385

NN30/600K

31821/600

600

870

200

6

6

3600

7800

670

850

355

NNU40/600

-

600

870

272

6

6

6150

14100

480

600

535

NNU40/600K

-

600

870

272

6

6

6150

14100

480

600

530

NNU41/600

-

600

980

375

7.5

7.5

9000

19000

380

480

1110

NNU41/600K

-

600

980

375

7.5

7.5

9000

19000

380

480

1100

NNU49/630

44829/630

630

850

218

6

6

3650

8300

670

850

358

NNU49/630K

43829/630

630

850

218

6

6

3650

8300

670

850

355

NN30/630

32821/630

630

920

212

7.5

7.5

3900

8900

630

800

434

NN30/630K

31821/630

630

920

212

7.5

7.5

3900

8900

630

800

430

NNU40/630

-

630

920

290

7.5

7.5

6900

15800

450

560

640

NNU40/630K

-

630

920

290

7.5

7.5

6900

15800

450

560

635

NNU41/630

-

630

1030

400

7.5

7.5

9900

21600

360

450

1340

NNU41/630K

-

630

1030

400

7.5

7.5

9900

21600

360

450

1330

NNU49/670

44829/670

670

900

230

6

6

4500

9000

630

800

413

NNU49/670K

43829/670

670

900

230

6

6

4500

9000

630

800

410

NN30/670

32821/670

670

980

280

7.5

7.5

4600

9350

600

750

535

NN30/670K

31821/670

670

980

280

7.5

7.5

4600

9350

600

750

530

NNU40/670

-

670

980

308

7.5

7.5

7600

17700

400

500

770

NNU40/670K

-

670

980

308

7.5

7.5

7600

17700

400

500

765

NNU41/670

-

670

1090

412

7.5

7.5

10900

23000

340

430

1510

NNU41/670K

-

670

1090

412

7.5

7.5

10900

23000

340

430

1500

NNU49/710

44829/710

710

950

243

6

6

4900

11500

560

700

485

NNU49/710K

43829/710

710

950

243

6

6

4900

11500

560

700

480

NN30/710

32821/710

710

1030

236

7.5

7.5

5150

12000

530

670

595

NN30/710K

31821/710

710

1030

236

7.5

7.5

5150

12000

530

670

590

NNU10/710

-

710

1030

315

7.5

7.5

8450

19500

380

480

858

NNU40/710K

-

710

1030

315

7.5

7.5

8450

19500

380

480

850

NNU41/710

-

710

1150

438

7.5

7.5

12100

26000

300

380

1800

NNU41/710K

-

710

1150

438

7.5

7.5

12100

26000

300

380

17900

NN48/750

-

750

920

170

5

5

3100

9200

450

550

243

NN48/750K

-

750

920

170

5

5

3100

9200

450

550

240

NNU49/750

44829/750

750

1000

250

6

6

5000

14400

400

500

545

NNU49/750K

43829/750

750

1000

250

6

6

5000

14400

400

500

540

NN30/750

32821/750

750

1090

250

7.5

7.5

6500

14500

500

630

712

NN30/750K

31821/750

750

1090

250

7.5

7.5

6500

14500

500

630

705

NNU40/750

-

750

1090

335

7.5

7.5

9200

21600

340

430

933

NNU40/750K

-

750

1090

335

7.5

7.5

9200

21600

340

430

925

NNU41/750

-

750

1220

475

9.5

9.5

14500

32000

280

360

2245

NNU41/750K

-

750

1200

475

9.5

9.5

14500

32000

280

360

2230

NNU49/800

44829/800

800

1060

258

6

6

5250

15300

-

-

620

NNU49/800K

43829/800

800

1060

258

6

6

5250

15300

-

-

615

NN30/800

32821/800

800

1150

258

7.5

7.5

7100

16200

-

-

798

NN30/800K

31821/800

800

1150

258

7.5

7.5

7100

16200

-

-

790

NNU40/800

-

800

1150

345

7.5

7.5

9750

23400

-

-

1150

NNU48/800K

-

800

1150

345

7.5

7.5

9750

23400

-

-

1140

NNU41/800

-

800

1280

475

9.5

9.5

14900

32900

-

-

2410

NNU41/800K

-

800

1280

475

9.5

9.5

14900

32900

-

-

2390

NNU49/850

44829/850

850

1120

272

6

6

5350

16200

-

-

365

NNU49/850K

43829/850

850

1120

272

6

6

5350

16200

-

-

360

NN30/850

32821/850

850

1220

272

7.5

7.5

7150

17000

-

-

985

NN30/850K

31821/850

850

1220

272

7.5

7.5

7150

17000

-

-

980

NNU40/850

-

850

1220

365

7.5

7.5

10600

26000

-

-

1310

NNU40/850K

-

850

1220

365

7.5

7.5

10600

26000

-

-

1300

NNU49/900

44829/900

900

1180

280

6

6

6000

18000

-

-

815

NNU49/900K

43829/900

900

1180

280

6

6

6000

18000

-

-

805

NN30/900

32821/900

900

1280

280

7.5

7.5

7500

18000

-

-

1065

NN30/900K

31821/900

900

1280

280

7.5

7.5

7500

18000

-

-

1050

NNU40/900

-

900

1280

375

7.5

7.5

11600

28500

-

-

1520

NNU40/900K

-

900

1280

375

7.5

7.5

11600

28500

-

-

1500

NNU49/950

44829/950

950

1250

300

7.5

7.5

6700

20200

-

-

970

NNU49/950K

43829/950

950

1250

300

7.5

7.5

6700

20200

-

-

960

NN30-950

32821/950

950

1360

30

7.5

7.5

8250

20200

-

-

1320

NN30/950K

31821/950

950

1360

300

7.5

7.5

8250

20200

-

-

1300

NNU40/950

-

950

1360

412

7.5

7.5

12800

32000

-

-

1930

NNU40/950K

-

950

1360

412

7.5

7.5

12800

32000

-

 

1900

NNU19/1000

44829/1000

1000

1320

315

7.5

7.5

7750

23400

-

-

1260

NNU49/1000K

43829/1000

1000

1320

315

7.5

7.5

7750

23400

-

-

1250

NN49/1000

42829/1000

1000

1320

315

7.5

7.5

7750

23400

-

-

1220

NN49/1000K

41829/1000

1000

1320

315

7.5

7.5

7750

23400

-

-

1200

NN30/1000

32821/1000

1000

1420

308

7.5

7.5

10000

22100

-

-

1430

NN30/1000K

31821/1000

1000

1420

308

7.5

7.5

10000

22100

-

-

1400

NNU40/1000

-

1000

1420

412

7.5

7.5

13900

34200

-

-

2035

NNU40/1000K

-

1000

1420

412

7.5

7.5

13900

34200

-

-

2000

NNU49/1060

44829/1060

1060

1400

335

7.5

7.5

9500

27500

-

-

1365

NNU49/1060K

43829/1060

1060

1400

335

7.5

7.5

9500

27500

-

-

1350

NN30/1060

32821/1060

1060

1500

325

9.5

9.5

9900

24800

-

-

1670

NN30/1060K

21821/1060

1060

1500

325

9.5

9.5

9900

24800

-

-

1650

NNU49/1120

44829/1120

1120

1460

335

7.5

7.5

10000

28500

-

-

1475

NNU49/1120K

43829/1120

1120

1460

335

7.5

7.5

10000

28500

-

-

1450

NNU49/1180

44829/1180

1180

1540

355

7.5

7.5

10800

32400

-

-

1680

NNU49/1180K

43829/1180

1180

1540

355

7.5

7.5

10800

32400

-

-

1650

NNU49/1320

44829/1320

1320

1720

400

7.5

7.5

12500

38300

-

-

3130

NNU49/1320K

43829/1320

1320

1720

400

7.5

7.5

12500

38300

-

-

3100

NN49/1320

42829/1320

1320

1720

400

7.5

7.5

12500

38300

-

-

3085

NN49/1320K

41829/1320

1320

1720

400

7.5

7.5

12500

38300

-

-

3060

 

Double row cylindrical roller bearings, caged, mainly of the NN, NNU, and NNF designs
Cylindrical roller bearings have rollers that provide a modified line contact with the cylindrical inner and outer ring raceways, while the rollers are guided by ground ribs on either the inner or outer ring. The cylindrical shape allows the inner ring to have axial movement relative to the outer ring. This is especially important when accommodating thermal expansion, where both rings must be press-fitted. 
We offer premium cylindrical roller bearings under the LYNB brand names. Most LYNB cylindrical roller bearings feature case-carburized components. Rings and rollers are made from case-hardened alloy steel of “Bearing Quality” to provide superior fatigue life and reliability. Precise control of heat treatment, dimensions, and surface finish of the components further contribute to reliable bearing performance. So whether you’re looking for China-made, case-carburized inch series cylindrical, or a metric series through-hardened variety, LYNB has you covered with a proper fit to your application. Premium steels and heat treatments are also available for applications requiring extended life and high reliability.
The LYNB range of double row cylindrical roller bearings comprises the basic types.
Double row cylindrical roller bearings have a low cross section, high load carrying capacity and high stiffness. Therefore they are mainly used in machine tools, rolling mill stands, plastic calenders, grinding mills and also large gearboxes.
LYNB produces double row cylindrical roller bearings mainly in the NN design and the NNU design. The bearings are separable, i.e. the ring with integral flanges together with the roller and cage assemblies can be mounted separately from the other bearing ring or all bearing components can be mounted separately. This facilitates the mounting, inspection and maintenance of these bearings. Double row cylindrical roller bearings are produced with both cylindrical bore and tapered bore; bearings of the NN design are generally supplied with tapered bore. When mounting bearings with tapered bore it is possible to achieve a certain radial internal clearance or a given preload.
Bearings of the NNF design are one kind of double-row cylindrical roller bearings full of rollers which is consist of outer ring with a center flange two inner rings with double flanges. Rollers are guided by flanges on inner ring and two inner rings are fixed up by fastening ring. This structure can carry not only a lot of heavy radial load and axial load but also tilting moment. Therefore they are suitable to be used as non-locating bearings. Bearings of type NNF have contact seals at two sides. And it is filled in grease lubricant. The working temperature would be -50℃~+110℃.However after considering of seal material available working temperature shall be -40℃~+80℃. Under appropriate conditions sealed NNF bearing need little maintenance and could be kept long time in water vapor or polluted environment. When mid or high speeding bearing can got make-up lubricating through lubrication groove and bore.
▲   The design’s of all these double row cylindrical roller bearings are based on standard structures; LYNB can design and manufacture many other similar structures in accordance to the special and particular requirements of their customers’. If our customer’s have specific requests then the customer should identify the structure, and mounting dimensions that are required. Please contact the LYNB Technical Center if you need any assistance in this area. 

 

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