Single-row Cylindrical Roller Bearing

Single-row Cylindrical Roller Bearing

FRB BEARINGS produces single row cylindrical roller bearings can accommodate heavy radial loads and high speeds. They are manufactured in several different designs, the main difference being in the configuration of the flanges. The most popular are the NU, N, NJ and NUP designs.

The rollers of FRB BEARINGS cylindrical roller bearings are a key component. Their geometry, the so-called logarithmic profile, provides an optimum stress distribution in the contact zones in the bearing. Their surface finish maximizes lubricant film formation and optimizes rolling motion of the rollers. The benefits derived from this compared with traditional designs include enhanced operational reliability and a greater insensitivity to misalignment.

Applications:
electric motors, automotive applications, home appliances, industrial equipment.

The parameter as follows:

Part Number

Dimension

Load Rating

Limiting Speed

Weight

d

D

B

Cr

Cor

Grease

Oil

mm

KN

r/min

KG

NU1020

100

150

24

85

110

4300

5000

1.50

N220

100

180

34

190

260

3200

3800

3.45

NF220

100

180

34

190

260

3200

3800

3.55

NU220

100

180

34

190

260

3200

3800

3.52

NJ220

100

180

34

190

260

3200

3800

3.61

NU2220

100

180

46

260

385

3200

3800

5.20

NJ2220

100

180

46

260

385

3200

3800

5.60

N2320

100

215

73

435

625

2400

3000

13.1

NU2320

100

215

73

435

625

2400

3000

13.2

NJ2320

100

215

73

435

625

2400

3000

13.5

N420

100

250

58

460

590

2400

3000

15.4

NU420

100

250

58

460

590

2400

3000

15.5

NJ420

100

250

58

460

590

2400

3000

15.9

N1021

105

160

26

110

170

4000

4800

I.85

NF1021

105

160

26

110

170

4000

4800

1.90

NU1021

105

160

26

110

170

4000

4800

1.90

N221

105

190

36

210

285

3000

3600

4.33

NJ221

105

190

36

210

285

3000

3600

4.50

N221E

105

190

36

240

300

3000

3600

3.95

NU221E

105

190

36

240

300

3000

3600

4.00

NJ221E

105

190

36

240

300

3000

3600

4.l0

NUP221E

105

190

36

240

300

3000

3600

4.20

N321E

105

225

49

415

525

2200

2800

10.5

NU321E

105

225

49

415

525

2200

2800

10.6

NJ321E

105

225

49

415

525

2200

2800

10.7

N421

105

260

60

510

655

2200

2800

17.2

NU421

105

260

60

510

655

2200

2800

18.0

N1022

110

170

28

130

195

3800

4500

2.31

NU1022

110

170

28

130

195

3800

4500

2.32

N222

110

200

38

245

335

2800

3400

5.02

NU222

110

200

38

245

335

2800

3400

5.05

NJ222

110

200

38

245

335

2800

3400

5.10

N222E

110

200

38

270

370

2800

3400

5.27

NU222E

110

200

38

270

370

2800

3400

5.30

NJ222E

110

200

38

270

370

2800

3400

5.32

NUP222E

110

200

38

270

370

2800

3400

5.50

NU2222

110

200

53

330

500

2800

3400

7.63

NJ2222 

110

200

53

330

500

2800

3400

7.83

NU2222E

110

200

53

380

520

2800

3400

6.70

NJ2222E

110

200

53

380

520

2800

3400

6.85

NUP2222E

110

200

53

380

520

2800

3400

7.00

N322

110

240

50

390

515

2000

2600

11.4

NU322

110

240

50

390

515

2000

2600

11.6

NJ322 

110

240

50

390

515

2000

2600

11.8

NUP322

110

240

50

390

515

2000

2600

12.0

N322E

110

240

50

440

575

2000

2600

11.5

NU322E

110

240

50

440

575

2000

2600

11.7

NJ322E

110

240

50

440

575

2000

2600

11.9

NUP322E

110

240

50

440

575

2000

2600

12.2

NU2322

110

240

80

605

800

2000

2600

18.3

NU2322E

110

240

80

605

800

2000

2600

18.3

NJ2322E

110

240

80

605

800

2000

2600

18.7

NUP2322E

110

240

80

605

800

2000

2600

19.1

N422

110

280

65

560

725

2000

2600

21.8

NU422

110

280

65

560

725

2000

2600

22.0

NU1024

120

180

28

133

205

3400

4000

2.96

NJ1024

120

180

28

133

205

3400

4000

3.10

N224

120

215

40

275

390

2400

3000

6.11

NU224

120

215

40

275

390

2400

3000

6.27

NJ224

120

215

40

275

390

2400

3000

6.39

NUP224

120

215

40

275

390

2400

3000

6.51

N224E

120

215

40

320

450

2400

3000

6.35

NU224E

120

215

40

320

450

2400

3000

6.50

NJ224E

120

215

40

320

450

2400

3000

6.70

N2224

120

215

58

360

550

2400

3000

8.92

NU2224

120

215

58

360

550

2400

3000

9.31

NJ2224

120

215

58

360

550

2400

3000

9.46

NU2224E

120

215

58

430

660

2400

3000

9.31

NJ2224E

120

215

58

430

660

2400

3000

9.46

NUP2224E

120

215

58

430

660

2400

3000

9.70

N324

120

260

55

460

600

1900

2400

14.1

NF324

120

260

55

460

600

1900

2400

14.3

NU324

120

260

55

460

600

1900

2400

14.5

NJ324

120

260

55

460

600

1900

2400

14.7

N324E

120

260

55

540

710

1900

2400

14.3

NU324E

120

260

55

540

7lO

1900

2400

14.8

NJ324E

120

260

55

540

7lO

1900

2400

15.0

NUP324E

120

260

55

540

7lO

1900

2400

15.3

N2324

120

260

86

670

970

1900

2400

22.9

NU2324

120

260

86

670

970

1900

2400

23.1

NJ2324

120

260

86

670

970

1900

2400

23.6

NU2324E

120

260

86

720

1000

1900

2400

24.0

NJ2324E

120

260

86

720

1000

1900

2400

24.5

NUP2324E

120

260

86

720

1000

1900

2400

25.0

N424

120

310

72

700

915

1900

2400

29.0

NU424

120

310

72

700

915

1900

2400

29.1

NJ424

120

310

72

700

915

1900

2400

29.7


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