Double-row Tapered Roller Bearings

Double-row Tapered Roller Bearings

FRB BEARINGS Produce Double-row Tapered Roller Bearings
can replace two single-row tapered roller bearings mounted back-to-back or face-to-face when the required capacity exceeds that of single-row tapered roller bearings. If the tapered roller bearing contact lines converge away from the bearing axis, the bearing is more tolerant to misalignment. If they converge toward the axis, the tapered roller bearing has higher resistance to moment loading, but lower tolerance for misalignment.

FRB BEARINGS Tapered roller bearings are widely used in roll-neck applications in rolling mills, transmissionsgear reducers, geared shafting, steering mechanisms, and machine-tool spindles. Where speeds are low, grease lubrication suffices, but high speeds demand oil lubrication -- and very high speeds demand special lubricating arrangements.

The parameters as follows:

PART NUMBER

Dimension

Rated load

Limiting speed

Weight

d

D

T

B

C

Cr

Cor

Grease

Oil

mm

KN

r/min

KG

352218

90

160

94

77

40

460

740

1900

2500

7.37

352220

100

180

112

92

46

630

1045

1700

2200

11.3

352221

105

190

117

96

50

720

1210

1600

2100

13.7

352122

110

180

95

76

42

480

860

1600

2100

8.63

352122K

110

180

95

76

42

480

860

1600

2100

8.57

352222K

110

200

124

102

53

620

1150

1500

2000

16.5

352124

120

200

110

90

48

605

1060

1400

1900

12.7

352224

120

215

132

106

58

700

1390

1400

1900

19.l

352224K

120

215

132

109

58

700

1390

1400

1900

19.2

352926

130

180

70

56

30

260

565

1400

1900

4.87

352026

130

200

95

75

42

440

870

1300

1800

9.72

352126

130

210

110

90

48

550

1070

1300

1700

13.9

352226EK

130

230

149

120

64

890

1760

1300

1700

37.4

352226EY

130

230

149

120

66.5

840

1700

1300

1700

25.6

352028

140

210

95

75

42

455

950

1200

1700

8.36

352128

140

225

115

90

50

580

1180

1200

1700

15.5

352228

140

250

153

125.5

68

1150

2080

1200

1600

31.0

352930

150

210

80

62

36

350

800

1200

1500

9.32

352130

150

250

138

112

60

855

1560

1100

1500

25.5

352230EK

150

270

169

138

73

1160

2330

1100

1500

39.4

352932

160

220

82

65

36

380

860

1100

1500

8.15

352032

160

240

116

90

51

675

1350

1100

1400

17.1

352132

160

270

150

120

66

955

1715

1000

1400

32.1

352232

160

290

180

140

80

1370

2558

920

1200

48.9

352934

170

230

82

65

36

460

1060

0

1400

8.35

352034

170

260

120

95

54

755

1550

1000

1300

16.1

352134

170

280

150

120

66

1060

1995

950

1300

35.5

352936

180

250

95

74

42

505

1060

1000

1300

13.4

352036

180

280

142

110

64

1025

2065

940

1300

29.3

352136

180

300

164

134

72

1190

2295

890

1200

43.4

352236

180

320

190

145

86

1535

2765

890

1200

58.1

352236X2

180

320

192

152

86

1390

2750

890

1200

60.0

352938

190

260

95

75

42

550

1450

940

1300

13.3

352938X2

190

260

102

80

45

580

1500

940

1300

14.4

352038

190

290

134

104

60

845

1860

890

1200

28.8

352138

190

320

170

130

78

1420

2690

840

1100

51.0

352940

200

280

110

85

48

680

1550

900

1200

18.1

352040X2

200

310

152

120

66

995

2070

840

1100

38.7

352140

200

340

184

150

82

1650

3400

800

1100

63.8

352240

200

360

218

174

98

2240

4230

800

1100

90.9

352944

220

300

110

88

48

640

1720

810

1100

21.2

352044X2

220

340

165

130

72

1365

2745

760

1000

49.3

352044

220

340

166

128

76

1435

2990

760

1000

42.7

352144

220

370

195

150

88

1705

3255

760

1000

78.1

352948

240

320

105

82

48

605

1590

760

1000

22.3

352948X2

240

320

110

87

48

685

1585

760

1000

23

352048

240

360

165

130

72

1330

2890

760

1000

52.8

352148

240

400

210

163

95

2065

4065

690

920

97.7

352952X2

260

360

134

108

60

1060

2580

670

900

38.6

352052

260

400

186

146

82

1755

3760

630

840

74.5

352152

260

440

225

180

100

2190

4750

580

820

124

352956

280

380

134

108

60

935

2650

620

770

44.0

352056

280

420

186

146

82

1920

4000

580

770

81.5

352960X2

300

420

160

128

72

1505

3615

580

740

60.8

352060

300

460

210

165

95

2270

4890

560

710

117

351160

300

500

205

152

90

2090

4450

530

710

141

352064

320

480

210

160

95

2470

5520

530

710

129

350666

330

420

100

76

44

905

2325

530

710

30.3

352968X2

340

460

160

128

72

1400

4050

500

660

71.0

352968

340

460

166

128

76

1625

4250

500

660

73.8

351068

340

520

180

135

82

2020

3995

460

620

118.2

351168

340

580

242

170

106

3400

6600

460

620

228

352972

360

480

160

128

72

1490

2240

510

680

74.7

351072

360

540

185

140

82.5

2280

4770

460

620

127.7

352072

360

540

220

170

95

2510

5865

460

620

162

351172

360

600

242

170

106

3100

6800

400

520

221

351976

380

520

145

105

65

1510

3800

530

710

78.8

351076

380

560

190

140

82

2620

4300

410

540

135.2

351176

380

620

242

170

106

3100

6850

410

540

250

351080

400

600

206

150

90

1800

4250

410

540

179

351180

400

650

255

180

112

3300

7400

360

480

279


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