Tapered Roller Bearings 30218-A

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30218-A

Bore Diameter:90 mm

Outside Diameter:160 mm

Width:32.5 mm

Weight:2.61 kg

The 30218-A bearing is a Tapered Roller Bearings with an inner diameter of 90 mm , an outer diameter of 160 mm, a width of 32.5 mm. It typically uses ABEC-5 grade precision tolerances and Open,ZZ,2RS,Z,RS type, together determine its load-bearing capacity, rotational accuracy, and applicable working conditions.

Dimensions:

Inside Diameter:

90 mm

Outside Diameter:

160 mm

Thickness:

32.5 mm

Weight:

2.61 KG

Specifications:

Structure:

tapered roller bearing

Precision Rating:

ABEC-5

Bearing Material:

Chrome Steel

Seals Type:

Open,ZZ,2RS,Z,RS

Transaction Information:

Payment term:

Delivery time:

Stock

Detailed description

Item:Tapered Roller Bearing 30218-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 30218-A
main dimensions to DIN ISO 355 / DIN 720, separable, adjusted or in pairs

90 mm

160 mm

32,5 mm

32 mm

30 mm

26 mm

C_{a min}

5 mm

C_{b min}

6,5 mm

D_{a max}

150 mm

D_{a min}

140 mm

D_{b min}

150 mm

d₁

121,3 mm

d_{a max}

103 mm

d_{b min}

100 mm

r_{1, 2 min}

2,5 mm

r_{3, 4 min}

2 mm

r_{a max}

2,5 mm

r_{b max}

2 mm

2,61 kg

Mass

C_r

201000 N

Basic dynamic load rating, radial

C_0r

255000 N

Basic static load rating, radial

0,42

1,43

Y₀

0,79

C_ur

29000 N

Fatigue limit load, radial

n_G

4550 1/min

Limiting speed

n_B

3050 1/min

Reference speed

T3FB090

Comparative designation to DIN ISO 355

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