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Home » Products » Tapered Roller Bearings » 31300 Series Tapered Roller Bearing

31300 Series Tapered Roller Bearing

Outer Diameter Range:62-320mm

Rolling Body:Roller

Number of Rows:Single

Material:Bearing Steel

Load Direction:Axial & Radial

Self-aligning Property:Non-aligning

Separable/Unseparable:Separable
Quantity:

The inner and outer ring raceways are segments of cones and the rollers are also made with a taper so that the conical surfaces of the raceways and the roller axes if projected, would all meet at a common point on the main axis of the bearing. This geometry makes the motion of the cones remain coaxial, eliminating sliding motion in the bearing.

This conical geometry is used as it gives a larger contact patch, which permits greater loads to be carried than with spherical (ball) bearings, while the geometry means that the tangential speeds of the surfaces of each of the rollers are the same as their raceways along the whole length of the contact patch and no differential scrubbing occurs. When a roller slides rather than rolls, it can generate wear at the roller-to-race interface, i.e. the differences in surface speeds creates a scrubbing action. Wear will degenerate the close tolerances normally held in the bearing and can lead to other problems. Much closer to pure rolling can be achieved in a tapered roller bearing and this avoids rapid wear.

The rollers are guided by a flange on the inner ring. This stops the rollers from sliding out at high speed due to their momentum.

The larger the half angles of these cones the larger the axial force that the bearing can sustain.

Tapered roller bearings are separable and have the following components: outer ring, inner ring, and roller assembly (containing the rollers and a cage). The non-separable inner ring and roller assembly is called the cone, and the outer ring is called the cup. Internal clearance is established during mounting by the axial position of the cone relative to the cup.


Advantages and Feathers of XSY Tapered Roller Bearings:

  1. XSY bearing Co., Ltd. has its own factory. We make sure to offer you the most competitive price.

  2. XSY bearing Co., Ltd. has a professional R&D team and an after-sale team, so what you buy is top-end, and what you use is quality & service guaranteed.

  3. XSY bearing Co., Ltd. is a bearing manufacturer since 1990. Rich experience makes us more professional.

  4. The bearing is long durability, high speed and low noise.

  5. OEM & ODM are available.

  6. All kinds of bearing simples are available.


Bearing No.

Boundary dimensions

Mass

mm

Kg

d

D

T

31305

25

62

18.25

0.264

31306

30

72

20.75

0.393

31307

35

80

22.75

0.518

31308

40

90

25.25

0.727

31309

45

100

27.25

0.947

31310

50

110

29.25

1.22

31311

55

120

31.5

1.56

31312

60

130

33.5

1.91

31313

65

140

36

2.39

31314

70

150

38

2.95

31315

75

160

40

3.39

31316

80

170

42.5

4.05

31317

85

180

44.5

4.6

31318

90

190

46.5

5.9

31319

95

200

49.5

6.95

31320

100

215

56.5

8.6

31321

105

225

58

9.65

31322

110

240

63

12

31324

120

260

68

15.5

31326

130

280

72

18.5

31328

140

300

77

24.5

31330

150

320

82

29.5



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