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Cylindrical roller series

Detailed description:

Cylindrical roller and raceway are linear contact bearings. Large load capacity, mainly bearing radial load. The friction between the rolling element and the ring face rib is small, which is suitable for high-speed rotation. According to whether the ring face has a rib, it can be divided into NU, NJ, NUP, N, NF, and other single-row cylindrical roller bearings, and NNU, NN, and other double-row cylindrical roller bearings. The bearing is a separable structure of the inner ring and outer ring. Cylindrical roller bearings with inner or outer rings without ribs can be used as free-end bearings because the inner and outer rings can move relatively in the axial direction. A cylindrical roller bearing with double ribs on one side of the inner ring and outer ring, and a single rib on the other side of the ring, can bear a certain degree of axial load in one direction. Generally, a steel pressing cage or copper alloy cage is used. However, some of them use polyamide-formed cages.

Detailed description

Bearing code

Boundary dimension of bearing

Current code

d

D

T

NU204E

20

47

14

NU205E

25

52

15

NU206E

30

62

16

NU207E

35

72

17

NU208E

40

80

18

NU209E

45

85

19

NU210E

50

90

20

NU211E

55

100

21

NU212E

60

110

22

NU213E

65

120

23

NU214E

70

125

24

NU215E

75

130

25

NU216E

80

140

26

NU217E

85

150

28

NU218E

90

160

30

NU219E

95

170

32

NU220E

100

180

34

NU221E

105

190

36

NU222E

110

200

38

NU224E

120

215

40

NU226E

130

230

40

NU228E

140

250

42

NU230E

150

270

45

NU232E

160

290

48

NU234E

170

310

52

NU236E

180

320

52

NU238E

190

340

55

NU240E

200

360

58

NU244E

220

400

65

NU2204E

20

47

18

NU2205E

25

52

18

NU2206E

30

62

20

NU2207E

35

72

23

NU2208E

40

80

23

NU2209E

45

85

23

NU2210E

50

90

23

NU2211E

55

108

25

NU2212E

60

110

28

NU2213E

65

120

31

NU2214E

70

125

31

NU2215E

75

130

31

NU2216E

80

140

33

NU2217E

85

150

36

NU2218E

90

160

40

NU2219E

95

170

43

NU2220E

100

180

46

NU2222E

110

200

53

NU2224E

120

215

58

NU2226E

130

230

64

NU2228E

140

250

68

NU2230E

150

270

73

NU2232E

160

290

8


Bearing code

Boundary dimension of bearing

Current code

d

D

T

NU2234E

170

310

86

NU2236E

180

320

86

NU2238E

190

340

92

NU2240E

200

360

98

NU2244E

220

400

108

NU304E

20

52

15

NU305E

25

62

17

NU306E

30

72

19

NU307E

35

80

21

NU308E

40

90

23

NU309E

45

100

25

NU310E

50

110

27

NU311E

55

120

29

NU312E

60

130

31

NU313E

65

140

33

NU314E

70

150

35

NU315E

75

160

37

NU316E

80

170

39

NU317E

85

180

41

NU318E

90

190

43

NU319E

95

200

45

NU320E

105

225

49

NU322E

110

240

50

NU324E

120

260

55

NU326E

130

280

58

NU328E

140

300

62

NU330E

150

320

65

NU332E

160

340

68

NU334E

170

360

72

NU336E

180

380

75

NU338E

190

400

78

NU2304

20

52

21

NU2305

25

62

24

NU2306

30

72

27

NU2307

35

80

31

NU2308

40

90

33

NU2309

45

100

36

NU2310

50

110

40

NU2311

55

120

43

NU2312

60

130

46

NU2313

65

140

48

NU2314

70

150

51

NU2315

75

160

55

NU2316

80

170

58

NU2317

85

180

60

NU2318

90

190

64

NU2319

95

200

67

NU2320

100

215

73

NU2322

110

240

80

NU2324

120

260

86

NU2326

130

280

93

NU2328

140

300

102

NU2330

150

320

108

NU2332

160

340

114

NU2334

170

360

120

NU2336

180

380

126

NU2338

190

400

132


Other series of the same model also do: NJ NUP NF N