Tapered Roller Bearings 31330-X

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Min. Order:

1 Piece

Payment term:

Delivery time:

Stock

Technical Parameters:

Product Designations:

31330-X

Structure:

tapered roller bearing

Inside Diameter:

150 mm

Outside Diameter:

320 mm

Thickness:

82 mm

Weight:

28 KG

Precision Rating:

ABEC-5

Bearing Material:

Chrome Steel

Seals Type:

Open

Item:Tapered Roller Bearing 31330-X

1)ISO 9001:2008 approved

2)long life and low noise

3)OEM service

4)stocks

Specifications

Material :GCr15/GCr15SiMn / G20Gr2Ni4A
Hardness :HRC60-HRC64
Closures :Unsealed/Sealed Grade : P5

Clearance :C0, C3, C4

Lubrication :Oil or grease
Features: These bearings are featured by the extremely big axial load carrying capacity and meanwhile they can also carry certain radial load

Packing :
1. For small ones: Anti-rust oil+ plastic bag+ paper box+ wooden box
2. For big ones: Anti-rust oil+ waterproof belt+ professional belt +wooden box

Application :Steel industry, oil industry, cement industry, mining & construction, papermaking machinery, rolling mill, sugar mill, vibrating screens, conveyors, air blower, transmissions, and other heavy machinery

Tapered roller bearings 31330-X
main dimensions to DIN ISO 355 / DIN 720, separable, adjusted or in pairs

150 mm

320 mm

82 mm

100 mm

75 mm

50 mm

C_{a min}

9 mm

C_{b min}

32 mm

D_{a max}

302 mm

D_{a min}

251 mm

D_{b min}

300 mm

d₁

231 mm

d_{a max}

181 mm

d_{b min}

168 mm

r_{1, 2 min}

5 mm

r_{3, 4 min}

4 mm

r_{a max}

5 mm

r_{b max}

4 mm

28 kg

Mass

C_r

790000 N

Basic dynamic load rating, radial

C_0r

1040000 N

Basic static load rating, radial

0,83

0,73

Y₀

0,4

C_ur

115000 N

Fatigue limit load, radial

n_G

2090 1/min

Limiting speed

n_B

1530 1/min

Reference speed

T7GB150

Comparative designation to DIN ISO 355

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