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31300 series

drawing

Tapered roller bearing drawings

parameter

Cone

Max. Shaft Radius R

Cups

Max. Housing Radius r

Basic Load Ratings

Assm.

Number

Bore d

Width (cone) B

Number

Outer Dia. D

Width cup) C

Dynamic C (KN)

Static C0 (KN)

Total Assm. Width T

X31307

35

21

2

Y31307

80

15

1.5

61.6

67

22.75


1.378

0.8268

0.08


3.1496

0.5906

0.06



0.8957

X31308

40

23

2

Y31308

90

17

1.5

85

81.5

25.25


1.5748

0.9055

0.08


3.5433

0.6693

0.06



0.9941

X31309

45

25

2

Y31309

100

18

1.5

106

102

27.25


1.7717

0.9843

0.08


3.937

0.7087

0.06



1.0728

X31310

50

27

2.5

Y31310

110

19

2

122

120

29.25


1.9685

1.063

0.1


4.3307

0.748

0.08



1.1516

X31311

55

29

2.5

Y31311

120

21

2

121

137

31.5


2.1654

1.1417

0.1


4.7244

0.8268

0.08



1.2402

X31312

60

31

3

Y31312

130

22

2.5

145

166

33.5


2.3622

1.2205

0.12


5.1181

0.8661

0.1



1.3189

X31313M

65

33

3

Y31313

140

23

2.5

165

193

36


2.5591

1.2992

0.12


5.5118

0.9055

0.1



1.4173

X31314

70

35

3

Y31314

150

25

2.5

172.9

220

38


2.7559

1.378

0.12


5.9055

0.9843

0.1



1.4961

X31314D

70

35

3

Y31314D

150

25

2.5

187

226.9

38


2.7559

1.378

0.12


5.9055

0.9843

0.1



1.4961

X31315

75

37

3

Y31315

160

26

2.5

209

245

40


2.9528

1.4567

0.12


6.2992

1.0236

0.1



1.5748

X31318

90

43

4

Y31318

190

30

3

264

315

46.5


3.5433

1.6929

0.16


7.4803

1.1811

0.12



1.8307


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