Tapered Roller Bearings 31313-A

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31313-A

Bore Diameter:65 mm

Outside Diameter:140 mm

Width:36 mm

Weight:2.36 kg

The 31313-A bearing is a Tapered Roller Bearings with an inner diameter of 65 mm , an outer diameter of 140 mm, a width of 36 mm. It typically uses ABEC-5 grade precision tolerances and Open type, together determine its load-bearing capacity, rotational accuracy, and applicable working conditions.

Dimensions:

Inside Diameter:

65 mm

Outside Diameter:

140 mm

Thickness:

36 mm

Weight:

2.36 KG

Specifications:

Structure:

tapered roller bearing

Precision Rating:

ABEC-5

Bearing Material:

Chrome Steel

Seals Type:

Open

Transaction Information:

Payment term:

Delivery time:

Stock

Detailed description

Item:Tapered Roller Bearing 31313-A

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 31313-A
main dimensions to DIN ISO 355 / DIN 720, separable, adjusted or in pairs

65 mm

140 mm

36 mm

44 mm

33 mm

23 mm

C_{a min}

5 mm

C_{b min}

13 mm

D_{a max}

128 mm

D_{a min}

111 mm

D_{b min}

132 mm

d₁

102,6 mm

d_{a max}

79 mm

d_{b min}

77 mm

r_{1, 2 min}

3 mm

r_{3, 4 min}

2,5 mm

r_{a max}

3 mm

r_{b max}

2,5 mm

2,36 kg

Mass

C_r

163000 N

Basic dynamic load rating, radial

C_0r

188000 N

Basic static load rating, radial

0,83

0,73

Y₀

0,4

C_ur

22300 N

Fatigue limit load, radial

n_G

5000 1/min

Limiting speed

n_B

3600 1/min

Reference speed

T7GB065

Comparative designation to DIN ISO 355

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Tapered Roller Bearings 31313-A

Tapered roller bearings 31313-A

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