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SKF self-aligning roller bearings with cylindrical bore, open-type (21311 EK)

SKF

Product Details:

Manufacturer part number: 21311 EK

Brand: SKF

Price: 136.25 €

Delivery time: 5 Days

Technical Data:

I.D. d: 55 mm

O.D. D: 120 mm

Width B: 29 mm

Rotational Speed: 7500 1/min

Basic Load Rating, Dynamic Rating: 156000 N

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21311 EK

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Part Number
21311 EK

Part Number	Standard Unit Price	Minimum order quantity	Volume Discount	Standard Shipping Days ?	I.D. d (mm)	O.D. D (mm)	Width B (mm)	Rotational Speed (1/min)	Basic Load Rating, Dynamic Rating (N)	Basic Load Rating, Static Rating (N)	Bore	Customs tariff — weight (kg)	Clamping sleeve	Width of lubrication groove (mm)	r (min.) (mm)	Internal diameter of sleeve d1 (mm)	Fatigue limit load Pu (kN)	Model series	Bore code	Shoulder dimension d2 (mm)	Shoulder dimension D1 (mm)	Reference speed rpm	Withdrawal sleeve	Width of lubrication bore (mm)	Bearing clearance identifier
	136.25 €	1		5 Days	55	120	29	7500	156000	166000	Tapered	1.636	H 311	5.5	2	50	18.6	213..	11	71.6	96.2	5,600	AHX 311	3	CN

Basic information

Number of Raceway Ring Rows	Double Row	Size Standards	Metric System	Design	Self-aligning roller bearings
Customs tariff — weight per	1	Customs tariff — weight unit	kg	Customs tariff — item number	84823000
Cage designation	Two window-type cages made of sheet steel	Marking cover / seal	None	Customs tariff — country of origin	DE
Cage material	Sheet steel

This page is SKF self-aligning roller bearings with cylindrical bore, open-type, part number 21311 EK.
You can find the detail information about specifications and dimensions on part number 21311 EK.

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Basic Attributes

Type
Clear
I.D. d(mm)
25

30

35

40

45

50

55

60

65

70

75

80

85

90

95

100

110

120

130

140

150

160

170

180

190

200

220

240

260

280
Clear
O.D. D(mm)
52

62

72

80

85

90

100

110

120

125

130

140

150

160

165

170

180

190

200

210

215

225

230

240

250

260

270

280

290

300

310

320

340

360

370

380

400
Clear
Width B(mm)
17

18

20

21

23

25

27

28

29

31

33

36

37

39

40

41

43

45

46

48

50

51

52

52.4

53

55

56

58

60

60.3

62

64

67

68

69

69.8

73

74

75

76

80

82

85

86

88

90

92

93

96

100

102

104

108

109

110

112

114

118

120

128
Clear
Bore
- Cylindrical
- Tapered
Clear
Customs tariff — weight(kg)
0.17

0.174

0.267

0.273

0.276

0.43

0.438

0.51

0.521

0.533

0.552

0.565

0.603

0.616

0.801

0.816

0.956

0.958

1

1.004

1.12

1.14

1.261

1.27

1.288

1.346

1.347

1.37

1.492

1.522

1.565

1.601

1.636

1.646

1.664

1.681

1.794

1.826

2.026

2.047

2.051

2.089

2.274

2.326

2.486

2.522

2.614

2.678

2.862

2.926

2.941

3.329

3.391

3.427

3.502

3.577

3.685

3.724

3.785

3.856

3.996

4.047

4.136

4.215

4.25

4.307

4.333

4.35

4.45

4.457

4.736

4.823

4.853

5.089

5.148

5.161

5.242

5.25

5.271

5.4

5.48

5.574

5.7

5.734

5.95

6.016

6.154

6.159

6.206

6.236

6.258

6.369

6.37

6.549

6.85

6.867

7.01

7.014

7.044

7.28

7.34

7.603

7.64

7.67

7.732

7.94

8.187

8.35

8.484

8.65

8.692

8.695

8.88

8.922

9.14

9.148

9.255

9.49

9.5

9.8

9.802

9.928

9.933

9.96

10.04

10.23

10.25

10.439

10.95

10.957

11.039

11.127

11.35

11.53

11.8

11.83

12.108

12.14

12.15

12.212

12.5

12.54

12.59

12.602

12.7

12.864

13.15

13.343

13.36

13.62

13.662

13.972

13.982

14

15.18

15.2

15.67

15.68

15.884

15.914

16.4

17.3

17.34

17.351

17.45

17.585

17.79

17.9

18.5

18.51

19.5

20.353

20.531

21.441

21.5

21.9

22.178

22.2

22.3

22.5

22.7

22.736

22.75

22.95

23.3

23.4

24.05

26.209

27.06

27.1

27.345

27.66

27.975

28.26

28.3

28.72

29.12

29.15

29.59

31.1

32.4

32.65

32.74

33.72

34.38

34.4

34.5

36.3

36.5

37

37.85

38.5

40

40.4

40.8

41.26

41.7

45.9

48.8

49.1

50.4

58.4
Clear
Clamping sleeve
H 305

H 306

H 307

H 308

H 309

H 310

H 311

H 312

H 313

H 314

H 315

H 316

H 317

H 318

H 319

H 320

H 322

H 2308

H 2309

H 2310

H 2311

H 2312

H 2313

H 2314

H 2315

H 2316

H 2317

H 2318

H 2319

H 2320

H 2322

H 2324

H 2326

H 2328

H 2330

H 2332

H 2336

H 3024

H 3026

H 3028

H 3030

H 3032

H 3034

H 3036

H 3040

OH 3044 H

OH 3048 H

H 3120

H 3122

H 3124

H 3126

H 3128

H 3130

H 3132

H 3134

H 3136

H 3138

H 3140

OH 3144 H
Clear
Width of lubrication groove(mm)
- 3.7
- 5.5
- 6
- 8.3
- 11.1
- 13.9
- 16.7
Clear
r (min.)(mm)
- 1
- 1.1
- 1.5
- 2
- 2.1
- 3
- 4
Clear
Internal diameter of sleeve d1(mm)
20

25

30

35

40

45

50

55

60

65

70

75

80

85

90

95

105

115

125

135

145

150

160

170

180

190

200

220
Clear
Fatigue limit load Pu(kN)
4.55

4.75

6.4

8.15

9.3

9.8

10.8

11.8

13.7

15

18.6

19.6

24

25.5

26.5

29

30

34.5

36.5

38

39

45

45.5

46.5

48

49

53

54

61

62

63

67

68

71

73.5

76.5

78

81.5

83

86.5

88

93

95

98

100

102

104

112

114

118

120

122

132

137

143

146

150

153

156

160

163

173

176

183

186

196

204

212

232
Clear
Model series
213..

222..

223..

230..

231..

232..

239..

240..

241..
Clear
Bore code
05

06

07

08

09

10

11

12

13

14

15

16

17

18

19

20

22

24

26

28

30

32

34

36

38

40

44

48

52

56
Clear
Shoulder dimension d2(mm)
31.2

35.7

37.5

44.5

47.2

49.1

49.7

54.4

56.4

59.9

62.1

65.3

70.1

71.6

77.6

77.9

80.1

81.6

83

87.8

90.3

92.8

94.7

98.3

101

106

108

111

112

113

115

117

118

123

125

126

130

132

135

139

141

143

145

146

148

151

152

155

156

158

159

164

165

166

169

172

175

176

178

180

188

191

195

199

200

201

203

204

207

210

211

215

216

220

222

223

225

228

231

241

250

255

261

263

271

287

295

308
Clear
Shoulder dimension D1(mm)
44.2

50.7

53

61.8

65.6

69.4

74.3

74.4

79

83.4

88

91.9

96.2

96.5

96.8

102

106

110

111

115

118

124

128

132

133

135

137

141

143

144

150

151

153

154

157

159

161

163

168

169

174

175

178

180

182

184

185

189

190

193

196

197

201

203

204

211

212

216

217

228

231

232

233

234

243

244

247

249

250

253

258

259

261

266

267

268

271

275

278

282

293

294

298

306

320

326

331

346

352

360
Clear
Reference speed rpm
1,200

1,300

1,400

1,500

1,600

1,700

1,800

1,900

2,000

2,200

2,400

2,600

2,800

3,000

3,200

3,400

3,600

3,800

4,000

4,300

4,800

5,000

5,300

5,600

6,000

6,300

6,700

7,000

7,500

8,000

8,500

9,000

10,000

13,000
Clear
Withdrawal sleeve
AH 308

AH 309

AHX 310

AHX 311

AHX 312

AH 313 G

AH 314 G

AH 315 G

AH 316

AHX 317

AHX 318

AHX 319

AHX 320

AH 2238 G

AH 2308

AH 2309

AHX 2310

AHX 2311

AHX 2312

AH 2313 G

AHX 2314 G

AHX 2315 G

AHX 2316

AHX 2317

AHX 2318

AHX 2319

AHX 2320

AHX 2322 G

AHX 2324 G

AHX 2326 G

AHX 2328 G

AHX 2330 G

AH 2332 G

AHX 3024

AHX 3026

AHX 3028

AHX 3030

AH 3032

AH 3034

AH 3036

AH 3040 G

AOH 3044 G

AOH 3048

AHX 3120

AHX 3122

AHX 3124

AHX 3126

AHX 3128

AHX 3130 G

AH 3132 G

AH 3134 G

AH 3136 G

AH 3138 G

AH 3140

AOH 3144

AHX 3218

AHX 3220

AHX 3222 G

AHX 3224 G

AHX 3226 G

AHX 3228

AHX 3230 G

AH 3232 G

AH 3236 G

AH 24032

AH 24128

AH 24136

AH 24138
Clear
Width of lubrication bore(mm)
- 2
- 3
- 4.5
- 6
- 7.5
- 9
Clear
Bearing clearance identifier
- C2
- C3
- C4
- CN
Clear

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Optional Attributes

The specifications and dimensions of some parts may not be fully covered. For exact details, refer to manufacturer catalogs .

Variation of this product

Part Number
21309 EK
21310 E/C3
21310 EK
21311 EK/C3
21312 E/C3
21312 EK/C3

Standard Unit Price	Minimum order quantity	Standard Shipping Days ?	I.D. d (mm)	O.D. D (mm)	Width B (mm)	Rotational Speed (1/min)	Basic Load Rating, Dynamic Rating (N)	Basic Load Rating, Static Rating (N)	Bore	Customs tariff — weight (kg)	Clamping sleeve	Width of lubrication groove (mm)	r (min.) (mm)	Internal diameter of sleeve d1 (mm)	Fatigue limit load Pu (kN)	Model series	Bore code	Shoulder dimension d2 (mm)	Shoulder dimension D1 (mm)	Reference speed rpm	Withdrawal sleeve	Width of lubrication bore (mm)	Bearing clearance identifier
104.20 €	1	5 Days	45	100	25	8500	125000	127000	Tapered	0.956	H 309	5.5	1.5	40	13.7	213..	09	65.3	88	6,300	AH 309	3	CN
113.62 €	1	5 Days	50	110	27	7500	156000	166000	Cylindrical	1.288	-	5.5	2	-	18.6	213..	10	71.6	96.8	5,600	-	3	C3
119.80 €	1	5 Days	50	110	27	7500	156000	166000	Tapered	1.27	H 310	5.5	2	45	18.6	213..	10	71.6	96.8	5,600	AHX 310	3	CN
131.38 €	1	5 Days	55	120	29	7500	156000	166000	Tapered	1.646	H 311	5.5	2	50	18.6	213..	11	71.6	96.2	5,600	AHX 311	3	C3
150.03 €	1	5 Days	60	130	31	6300	212000	240000	Cylindrical	2.051	-	5.5	2.1	-	26.5	213..	12	87.8	115	4,800	-	3	C3
158.18 €	1	5 Days	60	130	31	6300	212000	240000	Tapered	2.026	H 312	5.5	2.1	55	26.5	213..	12	87.8	115	4,800	AHX 312	3	C3