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231 series

Boundary dimensions(mm)

Basic load ratings(kN)

Limiting speeds(rpm)

Mass(Kg)

Bearing Number

d

D

B

rs min

Cr

Cor

Grease

Oil

(Approx.)

SKONN

100

165

52

2

310

470

1,700

2,600

4.3

23120

110

180

56

2

370

580

1,500

2,400

5.4

23122

120

200

62

2

455

705

1,400

2,100

7.7

23124

130

210

64

2

495

795

1,300

2,000

8.47

23126

140

225

68

2.1

540

895

1,200

1,800

10.2

23128

150

250

80

2.1

730

1,190

1,100

1,700

15.6

23130

160

270

86

2.1

840

1,370

1,000

1,600

19.8

23132

170

280

88

2.1

885

1,490

960

1,500

21.5

23134

180

300

96

3

1,030

1,730

900

1,400

25.1

23136

190

320

104

3

1,190

2,020

850

1,300

35.3

23138

200

340

112

3

1,350

2,270

800

1,200

43.3

23140

220

370

120

4

1,540

2,670

720

1,100

53.3

23144

240

400

128

4

1,730

3,050

650

1,000

65.8

23148

260

440

144

4

2,140

3,850

600

920

91.4

23152

280

460

146

5

2,300

4,250

550

850

97.7

23156

300

500

160

5

2,750

5,000

510

780

131

23160

Note: Spherical Roller bearings from SKONN, which includes a wide range of types- E types, CCW33 types, CAW33 types. And the bores usually in Cylindrical bore and Tapered bore(K). K(1:12), K30(1:30). Clerance usually in C3.